From the top of an 18-meter lighthouse, the angle of depression to sight a boat is 4°. What is the distance between the boat and the base of the lighthouse, to the nearest tenth?


ASAP TIMED

Answers

Answer 1

Step-by-step explanation:

The side opposite to the 4 degree angle is 18 m

The side adjacent the 4 degree angle is x

tan(4) = opposite / adjacent

adjacent = opposite / (tan(4))

adjacent = 18 / tan(4)

adjacent = 257.41


Related Questions

in the given system of equations, p is a constant.the system has no solution. what is the value of p

Answers

When the given system of equations does not have a solution, it implies that there is no common point for both the straight lines to intersect. It means that both the straight lines are parallel to each other.

Therefore, the slopes of both lines are equal but their y-intercepts are different. Thus, we can equate the slopes of both lines in the given system of equations as they are equal. Then, we can form an equation to calculate the value of p.Let the given system of equations be:y =[tex]px + 4......(1)y = px + 6......[/tex](2)Equating the slopes of both lines, we have:p =[tex]p => 2p = 10 => p = 5[/tex]Thus, the value of p is 5. We can verify this by substituting the value of p in both the given equations. Therefore, the given system of equations can be written as:y = 5x + 4......(1)y = 5x + 6......([tex]5x + 4......(1)y = 5x + 6......([/tex]2)On comparing equations (1) and (2), we observe that their y-intercepts are different. The equation (1) has y-intercept 4 and equation (2) has y-intercept 6.

Hence, there is no common point for both the lines to intersect. Therefore, the system of equations has no solution.

for such more questions on  system of equations

https://brainly.com/question/13729904

#SPJ11

the following frequency distribution displays the weekly sales of a certain brand of television at an electronics store. number sold frequency 01-05 12 06-10 5 11-15 5 16-20 5 21-25 25 how many weeks of data are included in this frequency distribution?

Answers

There are 52 weeks of data included in this frequency distribution.

The given frequency distribution displays the weekly sales of a certain brand of television at an electronics store.

We need to find the number of weeks of data included in this frequency distribution.From the given data, we can see that the frequency column represents the number of televisions sold per week.

To find the number of weeks of data included, we need to sum up the frequency column. Summing up the frequency column gives us:12 + 5 + 5 + 5 + 25 = 52

Therefore, there are 52 weeks of data included in this frequency distribution.

The given frequency distribution displays the weekly sales of a certain brand of television at an electronics store. We need to find the number of weeks of data included in this frequency distribution.

From the given data, we can see that the frequency column represents the number of televisions sold per week. To find the number of weeks of data included, we need to sum up the frequency column. Summing up the frequency column gives us:

12 + 5 + 5 + 5 + 25 = 52

To know more about frequency distribution click on below link:

https://brainly.com/question/14926605#

#SPJ11

Cortez has three times as many pencils as Nikhil, and they have 84 pencils in total

Answers

As per the unitary method, Nikhil has 21 pencils and Cortez has 63 pencils.

Let's say Nikhil has x number of pencils. Then, according to the problem, Cortez has three times as many pencils as Nikhil. Therefore, Cortez has 3x number of pencils.

Together, they have a total of 84 pencils. So, we can write an equation based on the number of pencils owned by Nikhil and Cortez as follows:

x + 3x = 84

Simplifying the equation, we get:

4x = 84

Dividing both sides by 4, we get:

x = 21

So, Nikhil has 21 pencils. Using the fact that Cortez has three times as many pencils as Nikhil, we can find out how many pencils Cortez has:

Cortez has 3x = 3(21) = 63 pencils.

To know more about unitary method here

https://brainly.com/question/28276953

#SPJ4

Complete Question:

Lance has three times as many pencils as Nick, and they have 84 pencils together. How many pencils does each of them have?

the physician orders digoxin tablets 187.5 mcg po daily for the patient. how many tablets will the nurse give to the patient? enter only the numeral (not the unit of measurement) in your answer.

Answers

The nurse will give the patient one tablet of digoxin per day. Each tablet contains 187.5 mcg, so one tablet is the correct dose for the patient.

As per given information,

Patient's daily dose is 187.5 mcg.

Here we have to calculate the number of tablets the nurse will give the patient, use the following formula:

To get the number of tablets,

We have to divide the Patient's daily dose (mcg) by tablet dose (mcg).

Plugging in the numbers from the patient's prescription, we get:

Number of tablets = 187.5 mcg / 187.5 mcg

By simplifying these we get:

Number of tablets = 1

For similar question on dose.

https://brainly.com/question/12720845

#SPJ11

a student has to take 9 more courses before she can graduate. if none of the courses are prerequisites to others, how many groups of five courses can she select for the next semester?

Answers

The number of groups of five courses the student can select for the next semester is 126.

In order to answer this question, we must first determine how many courses the student has already taken. If the student has already taken 11 courses, then the total number of courses she needs to take is 9.

We can use the formula for combinations, nCr, to calculate the number of groups of five courses that she can select for the next semester. The formula is nCr=n!/(r!(n-r)!). In this case, n is the total number of courses (9) and r is the number of courses in each group (5).

Therefore, the number of groups of five courses the student can select for the next semester is 9C5, or 9!/[5!(9-5)!], which equals 126. This means the student can select 126 different groups of five courses for the next semester.

Learn more about combinations here:

https://brainly.com/question/20211959

#SPJ4

is it possible to have a c2 strictly convex function on a compact domain that is not also strongly convex?

Answers

Yes, it is possible to have a c2 strictly convex function on a compact domain that is not also strongly convex.

Let's have a look at the following details of it.

Definition of a Strictly Convex Function:

A strictly convex function is a function whose Hessian matrix is positive-definite for all arguments. As a result, if f is differentiable and convex, it is strictly convex if and only if its Hessian matrix is positive-definite for all arguments.

The Definition of Strong Convexity: A function is said to be strongly convex if it meets the following criteria:
Let C be a convex subset of a Hilbert space H, and let f:C→ℝ be a continuously differentiable function. There is a positive constant μ such that, for all x,y∈C: f(y)≥f(x)+⟨∇f(x),y−x⟩+μ/2‖y−x‖2

Thus, it is clear from the above-mentioned definitions that it is possible to have a c2 strictly convex function on a compact domain that is not also strongly convex.

To know more about convex function refer here:

https://brainly.com/question/29656636

#SPJ11

How can I solve this? ASAP

Answers

Answer:

544 in²

Step-by-step explanation:

Find the area of the rectangle, then the triangle, then add them together to get the total SA.

Rectangle = l x w = 10 x 14 = 140 in²

SA of the 2 rectangular sides = 140 x 2 = 280 in²

Triangle = 1/2bh = 1/2(12)(8) = 48²

SA of the 2 triangular ends = 2 x 48 = 96 in²

Rectangular base = 14 x 12 = 168 in²

Total SA = 280 + 96 + 168 = 544 in²

How do I solve this challenging math problem?

Answers

Answer:

  13/32

Step-by-step explanation:

You want the area of the shaded portion of the unit square shown.

Circumcenter

Points B, C, E are shown as equidistant from point F, so will lie on a circle centered at F. The center of that circle is at the point of coincidence of the perpendicular bisectors of BE, BC, and CE.

Without loss of generality, we can let line EF lie on the x-axis such that E is at the origin. Chord EB of the circle has a rise of 1/2 for a run of 1, so a slope of 1/2. Its midpoint is (1, 1/2)/2 = (1/2, 1/4). The perpendicular line through this point will have slope -2, so its equation can be written ...

  y -1/4 = -2(x -1/2)

  y = -2x +5/4

Then the x-intercept (point F) will have coordinates (0, 5/8):

  0 = -2x +5/4 . . . . . y=0 on the x-axis

  2x = 5/4

  x = 5/8

Trapezoid

Trapezoid EFCD will have upper base 5/8, lower base 1, and height 1/2. Its area is ...

  A = 1/2(b1 +b2)h

  A = (1/2)(5/8 +1)(1/2) = (1/4)(13/8) = 13/32

The shaded area is 13/32.

__

Additional comment

The point-slope equation of a line through (h, k) with slope m is ...

  y -k = m(x -h)

in how many different ways can 11 men and 8 women be seated in a row if no 2 women are to sit together?

Answers

If no two ladies sit together, there are 13,228,800,000 distinct ways to arrange the 11 males and 8 women in a row.

If no 2 women can sit together, then we can think of the men and women as distinct blocks that must alternate. Since there are 11 men and 8 women, there must be 12 positions available for these blocks: M_W_M_W_M_W_M_W_M_W_M_W.

The first block can be filled In 11! Ways (11 men to choose from), the second block can be filled in 8! Ways (8 women to choose from), the third block can be filled in 10! Ways, the fourth block can be filled in 7! Ways, and so on. So the total number of ways to seat the group is:

11! * 8! * 10! * 7! * 9! * 6! * 8! * 5! * 7! * 4! * 6! * 3! * 5! * 2! * 4! * 1! * 3! * 2! * 1!

Simplifying this expression, we get:

(11! * 8! * 10! * 7! * 9! * 6! * 8! * 5! * 7! * 4! * 6! * 3! * 5! * 2! * 4! * 1! * 3! * 2! * 1!) =

(11! * 10! * 9! * 8! * 7! * 6! * 5! * 4! * 3! * 2! * 1!) * (8! * 7! * 6! * 5! * 4! * 3! * 2! * 1!) =

11! * 10! * 9! * 8! * 7! * 6! * 5! * 4! * 3! * 2! * 1! * 8! * 7! * 6! * 5! * 4! * 3! * 2! * 1! =

11! * 10! * 9! * 8! * 7! * 6! * 5! * 4! * 3! * 2! * 8! * 7! * 6! * 5! * 4! * 3! * 2!

= 11! * 10! * 9! * 8! * 7! * 6! * 5! * 4! * 3! * 2! * 8!^2 * 7!

We can evaluate this expression with a calculator to obtain:

(111098765432)(887654327) = 13,228,800,000

Therefore, there are 13,228,800,000 different ways to seat the 11 men and 8 women in a row if no 2 women are to sit together.

To learn more about number of ways, refer:-

https://brainly.com/question/30649502

#SPJ4

Does anybody know the answer to this question?

Answers

The perimeter of  isosceles triangle PRQ is 24.65 units.

The lengths of its three sides and add them up. We can use the distance formula to find the length of each side.

Distance formula: The distance d between two points (x1, y1) and (x2, y2) is given by:

d = [tex]sqrt((x2 - x1)^2 + (y2 - y1)^2)[/tex]

Using this formula, we can find the lengths of the sides PR, RQ, and PQ.

PR = [tex]sqrt((-1 - (-7))^2 + (4 - (-1))^2) = sqrt(36 + 25) = sqrt(61)[/tex]

RQ =[tex]sqrt((3 - (-1))^2 + (-1 - 4)^2) = sqrt(16 + 25) = sqrt(41)[/tex]

PQ = [tex]sqrt((3 - (-7))^2 + (-1 - (-1))^2) = sqrt(100) = 10[/tex]

Therefore, the perimeter of triangle PRQ is:

PR + RQ + PQ = [tex]sqrt(61) + sqrt(41) + 10 ≈ 24.65[/tex] (rounded to two decimal places)

So, the perimeter of triangle PRQ is approximately 24.65 units.

for such more questions on isosceles triangle

https://brainly.com/question/1475130

#SPJ11

an certain brand of upright freezer is available in three different rated capacities: 16 ft^3 , 18ft^3 what is the variance of the price paid by the next customer

Answers

As per the given probability, the values of

(a) E (X) is 17.4 ft³, E (X²) is 323.2 ft⁶, and V (X) is 2.16 ft⁶.

To calculate the expected value of X (E(X)), we multiply each possible value of X by its probability and add up the results. Using the probability mass function given, we have:

E(X) = (16)(0.3) + (18)(0.5) + (20)(0.2) = 17.4

This means that on average, the rated capacity of a freezer sold at this store is 17.4 ft³.

To calculate the expected value of X squared (E(X²)), we follow a similar process, but instead of multiplying each possible value of X by its probability, we square each possible value of X and multiply it by its probability before adding up the results. Using the probability mass function given, we have:

E(X²) = (16²)(0.3) + (18²)(0.5) + (20²)(0.2) = 323.2

This means that on average, the square of the rated capacity of a freezer sold at this store is 323.2 ft⁶.

To calculate the variance of X (V(X)), we then add up the results to obtain the variance. Using the probability mass function given, we have:

V(X) = (16 - 17.4)²(0.3) + (18 - 17.4)²(0.5) + (20 - 17.4)²(0.2) = 2.16

This means that the variance of the rated capacity of a freezer sold at this store is 2.16 ft⁶. The square root of the variance is known as the standard deviation, which gives us a measure of the spread of the distribution of X.

To know more about probability here

https://brainly.com/question/11234923

#SPJ4

Complete Question:

A certain brand of upright freezer is available in three different rated capacities: 16 ft³, 18 ft³ , and 20 ft³ . Let X = the rated capacity of a freezer of this brand sold at a certain store. Suppose that X has the following probability mass function:

x 16 18 20

p(x) 0.3 0.5 0.2

(a) Compute E (X) , E (X²) , and V (X) .

Add the additive inverse to the product of - 1 and - 4

Answers

The answer to this question is 0.

To add the additive inverse to the product of - 1 and -4, we must first find the product of -1 and -4. The product of -1 and -4 is 4. Now that we have found the product of -1 and -4, we can add the additive inverse to it. The additive inverse of 4 is -4, so we add -4 to 4. 4+ (-4) is equal to 0. Therefore, the answer to this question is 0.

For more questions on additive inverse

https://brainly.com/question/28525250

#SPJ11

7234÷48 using long division​

Answers

Answer:

Step-by-step explanation:

150.7083

A 6 cm by 10 cm rectangle is dilated by a factor of 3.
What is the area of the dilated rectangle?
*Show your work on the sketch pad
area =

Answers

Answer: 540 cm²

Step-by-step explanation:To find the area of the dilated rectangle, we need to first find the dimensions of the new rectangle after it has been dilated by a factor of 3.

The length of the new rectangle will be 3 times the original length, which is:

10 cm x 3 = 30 cm

The width of the new rectangle will also be 3 times the original width, which is:

6 cm x 3 = 18 cm

Therefore, the area of the dilated rectangle will be:

30 cm x 18 cm = 540 cm²

the process mean can be adjusted through calibration. to what value should the mean be adjusted so that 99% of the cans will contain 12 oz or more?

Answers

The value of mean should be adjusted to 12 + 2.576σ so that 99% of the cans will contain 12 oz or more.

The process mean can be adjusted through calibration. The mean is a measure of central tendency in a dataset that represents the average value of a group of data. The population standard deviation is denoted by σ. The formula for the population mean is as follows: μ = (Σ xi) / n, where xi represents the data values and n represents the total number of data values.

Here we can use the formula of confidence interval as,μ±z σ/√n, Where μ is the mean, z is the z-score, σ is the standard deviation is the sample size. Given,The required confidence level is 99%. So,α = 1-0.99α = 0.01. We can find z from the z-score table at α/2 = 0.005 as, z = 2.576.

Now, we need to find out the value of μ when the mean will be 12 ounces so that 99% of cans will contain 12 ounces or more. So,μ ± z σ/√n = 12. We know that, P(X > 12) = 0.99. The formula for standardization is, Z = (X - μ) / σHere, X = 12, σ is given and we need to find the value of μ.z = (X - μ) / σ2.576 = (12 - μ) / σμ - 12 = 2.576 × σμ = 12 + 2.576 × σ.

Now, the value of μ should be adjusted to 12 + 2.576σ so that 99% of the cans will contain 12 oz or more.

To know more about mean refer here:

https://brainly.com/question/30546599

#SPJ11

The number of shoes sold varies inversely with the price two thousand shoes can be sold at the price of $250

Answers

The phrase "the number of shoes sold changes inversely with price" suggests that as the price of the shoes rises, so does the number of shoes sold, and vice versa.

We know that 2000 shoes can be sold for $250 in this circumstance. Using the inverse variation formula, we can write: k/Price = number of shoes sold where k is a proportionality constant. We may use the following information to calculate the value of k: 2000 = k/250 When we multiply both sides by 250, we get: k = 500000 In this case, the equation for the inverse variation is: Price/number of shoes sold = 500000 We may use this equation to compute the number of shoes sold at various prices. For instance, if the price is If the price is $300, the number of shoes sold is: The number of shoes sold is 500000/300, which is 1666.67. As a result, at a price of $300, about 1666.67 pairs of shoes would be sold.

learn more about  Price here:

https://brainly.com/question/19091385

#SPJ4

What is the relationship between the number of shoes sold and the price, given that the number of shoes sold varies inversely with the price? If 2,000 shoes are sold at a price of $250, what would be the price of the shoes if 3,000 shoes are sold?

write a polynomial function in standard form with real coefficients whose zeros include 2,8i,-8i

Answers

If the zeros are 2, 8i, and -8i, the the polynomial has factors of (x-2), (x-8i), and (x+8i).

If we multiply those factors, we'll get our polynomial:

    (x-2)·(x-8i)·(x+8i) = (x-2)·(x^2+64)

                               = x^3 - 2x^2 + 64x - 128

Help me pls I don’t know what it is

Answers

Answer:  Choice B

The bread recipe calls for 2 more cups of flour per cup of sugar than the cookie recipe.

========================================================

Explanation:

I'll use this shorthand

s = sugarf = flour

Something like "2 cups of sugar" will shorten to "2s".

The cookies need 3s for every 6f.

Therefore we get this ratio

3s : 6f

And we can divide both sides by 3 to end up with

s : 2f

Meaning "each cup of sugar needs 2 cups of flour".

--------------------

Meanwhile, the bread recipe calls for 2s for every 8f.

2s : 8f

2s/2 : 8f/2 .... divide both sides by 2

s : 4f

When making bread, each cup of sugar needs 4 cups of flour. In other words, the amount of flour is quadruple that of the sugar.

--------------------

Recap

Cookies have the ratio of s : 2fBread has the ratio of  s : 4f

These ratios are reduced so that we have "s" on the left side without any numbers attached to it. In other words, we have 1s.

We can see that the bread needs 2 more cups of flour compared to the cookies (since 4f - 2f = 2f). It's important that we reduce those ratios so that we're talking about the same amount of sugar for each food item.

This is why  choice B   is the final answer.

--------------------

An example:

Each food item will use 1 cup of sugar.

The cookies need twice the amount of flour, so the cookies require 2 cups of flour (because of the ratio s:2f mentioned earlier).

The bread needs quadruple the amount of flour compared to sugar. Meaning the bread needs 4 cups of flour (because of the ratio s:4f).

Then subtract to get

(4 cups flour for bread) - (2 cups flour for cookies) = 2 cups flour

8. how many cans of mandarin oranges are needed to serve a part of 200 people if each person is to receive a 3 ounce serving and each can weighs 5 pounds 10 oz ( 9 ounces of that as liquid which you will discard)?

Answers

8 Cans of mandarin oranges are needed to serve a part of 200 people if each person is to receive a 3-ounce serving and each can weights 5 pounds 10 oz (9 ounces of that as liquid which you will discard).

Given that each can of mandarin oranges weighs 5 pounds 10 oz (9 ounces of that as liquid which you will discard).We are to find out how many cans of mandarin oranges are needed to serve a part of 200 people if each person is to receive a 3-ounce serving.

Convert 3 ounces into pounds and ounces

3 ounces = 3/16 pound (1 pound = 16 ounces)

Amount of mandarin oranges required by one person = 3/16 pound

Amount of mandarin oranges required by 200 people = 200 * (3/16) pound

Amount of mandarin oranges required by 200 people = 37.5 pound

Convert the amount of mandarin oranges required into cans

Weight of one can of mandarin oranges = 5 pounds 10 oz = (5*16 + 10) ounce = 90 ounce

Weight of mandarin oranges only in one can = 90 ounce - 9 ounce = 81 ounce (9 ounce is liquid which you will discard)

Number of cans required = (total weight required) / (weight of one can)Number of cans required = (37.5 * 16) / 81 Number of cans required = 7.4 cans

for such more question on weights

https://brainly.com/question/25973294

#SPJ11

What are domain restrictions of rational functions? What do domain restrictions
mean for the graph of a rational function?

Answers

The domain of a rational function is the set of all possible input values (x) for which the function is defined. Since rational functions have a denominator that cannot be zero, there may be certain values of x that cannot be used as inputs. These values that are excluded from the domain are called domain restrictions.

The domain restrictions of a rational function occur whenever the denominator of the function is equal to zero, since division by zero is undefined. Therefore, the domain of a rational function is all real numbers except those values that make the denominator zero.

For example, consider the rational function f(x) = 1 / (x - 3). The denominator of this function is x - 3, so the function is undefined when x = 3. Therefore, the domain of f(x) is all real numbers except x = 3.

When a rational function has domain restrictions, this means that there are certain values of x for which the function does not exist. These values are excluded from the graph of the function, resulting in one or more vertical asymptotes. Vertical asymptotes are vertical lines that the graph of the function approaches but does not touch as x approaches a certain value.

For example, the graph of the function f(x) = 1 / (x - 3) has a vertical asymptote at x = 3, since the function is undefined at that point. As x approaches 3 from the left or the right, the function approaches positive or negative infinity, respectively. Therefore, the graph of f(x) has a vertical asymptote at x = 3.

I'm trying to help my brother and we both suck at this and can use some help lol

Answers

Answer: should be -6

Step-by-step explanation:

Set the expression to equal zero

z+6

Solve the equation

z+6+0

State the root

z+-6

Victor made 50 ounces of trail mix for a camping trip he pours 12 ounces for one serving how many people can have fully serving?

Answers

Answer:

To find the number of people who can have a full serving of trail mix from 50 ounces, we need to divide the total amount of trail mix by the amount of trail mix per serving.

50 ounces of trail mix / 12 ounces per serving = 4.1667 servings

Since we can't have a fraction of a serving, we need to round down to the nearest whole number.

So, Victor can make 4 servings of trail mix from 50 ounces. Therefore, 4 people can have a full serving of trail mix.

y > -x- 2
y < -5x + 2
Identify a solution to the system ​

Answers

Move all terms not containing the variable from the center section of the inequality.

how many parameters must the forecaster (or the software) set using winter's exponential smoothing? multiple choice 1. none of the options are correct. 2. 0. 3.

Answers

The forecaster (or the software) must set three parameters using Winter's exponential smoothing. (Option 4)

What is Winter's exponential smoothing?

Winter's exponential smoothing is a method for forecasting in which the forecast for the next period is weighted more heavily based on the data that was recorded in previous periods.

The formula for Winter's exponential smoothing includes three parameters: alpha, beta, and gamma. Parameters in Winter's exponential smoothing:

alpha: The degree of smoothing that is applied to the level of the series. The alpha value will vary between 0 and 1.

beta: The degree of smoothing applied to the trend of the series. The beta value will vary between 0 and 1.

gamma: The degree of smoothing applied to the seasonal component of the series. The gamma value will vary between 0 and 1.

Hence, the forecaster (or the software) must set three parameters using Winter's exponential smoothing.

To know more about "smoothing" refer here:

https://brainly.com/question/30265998#

#SPJ11

a coffee distributor needs to mix a(n) gualtemala antigua coffee blend that normally sells for $8.50 per pound with a gazebo coffee blend that normally sells for $13.10 per pound to create 10 pounds of a coffee that can sell for $12.64 per pound. how many pounds of each kind of coffee should they mix?

Answers

The system of equations, helps to determine the quantity of each kind of coffee for mixture. The 9 pounds of Guatemala antigua coffee blend and one pound of gazebo coffee blend should be mix.

We have a coffee distributor needs to mix a(n) Guatemala antigua coffee blend. Let us assume, x = pounds of the Guatemala antigua coffee blend

y = pounds of the gazebo coffee blend

The new mixture is 10 pounds, so x + y = 10

And normally sells value of Guatemala antigua coffee blend per pound = $8.50

so, sells for x pounds of the Guatemala antigua coffee blend = $8.50x

Normally sells value of gazebo coffee blend per pound = $13.10y

Total sells = $12.64 × 10

8.50x + 13.10y = 12.64 × 10

We have the following system of equations:

x + y = 10 --(1)

8.50x + 13.10y = 126.4 --(2)

We have to solve the system of equations for determining value x and y. Using the Elimination method, from equation (1), x = 10 - y, put in equation (2), 8.50x + 13.10y = 126.4

=> 8.50 ( 10 - y ) + 13.10y = 126.4

=> 85 - 8.5y + 13.10y = 126.4

=> 4.6 y = 41.4

=> y = 41.4/4.6 = 9

from equation (1), x = 10 - 9 = 1

Hence, required value is 9 pounds and 1 pounds.

For more information about system of equations, refer:

https://brainly.com/question/7808225

#SPJ4

what maximum number of cumulative pass not advanced (pna) points can be applied to a candidates final multiple score

Answers

A candidate's final multiple score main answer can have a maximum of three cumulative Pass Not Advanced (PNA) points applied to it.

PNA points are a form of assessment for a candidate's answers to multiple-choice questions.

They are awarded when the candidate selects an answer that is not necessarily wrong, but does not go into sufficient depth or demonstrate the required level of understanding.

Each PNA point is worth a fraction of a mark, with a total of three PNA points making up one mark of the candidate's final multiple score main answer.

To know more about Pass Not Advanced click on below link:

https://brainly.com/question/30553853#

#SPJ11

five card hand is dealt at random from a standard 52 card deck. find the probability of having c. exactly 2 kings and the ace of spades given that you have at least one ace

Answers

The five-card hand is dealt at random from a standard 52-card deck. the probability of having exactly 2 kings and the ace of spades given that you have at least one ace is 2.9%.

        To find the probability of having exactly 2 kings and the ace of spades given that you have at least one ace

        When a five-card hand is dealt at random from a standard 52-card deck is as follows:

        There are 52 cards in a standard deck. Therefore, there are 4 Kings and 1 Ace of Spades. The number of ways in which we can select 2 Kings from 4 Kings is:

                             ₄C₂ = [tex](4 * 3)/(2 * 1)[/tex]

                                    = 6

           The number of ways in which we can select the Ace of Spades from 1 Ace is:

                              ₁C₁ = 1

            The remaining 2 cards are non-Kings and non-Ace of Spades cards. So, there are 44 such cards. The number of ways in which we can select 2 cards from 44 cards is:

                           ₄₄C₂ = [tex](44 * 43)/(2 * 1)[/tex]

                                   = 946

      Therefore, the total number of ways in which we can select 2 Kings and 1 Ace of Spades and 2 non-Kings and non-Ace of Spades cards is:

                        [tex]6 * 1 * 946[/tex] = 5676

      There are 4 Aces in a standard deck. The number of ways in which we can select at least one Ace from 4 Aces is:

                 ₄C₁ + ₄C₂ + ₄C₃ + ₄C₄ = 4 + 6 + 4 + 1

                                                    = 15

       Therefore, the probability of having exactly 2 kings and the ace of spades given that you have at least one ace when a five-card hand is dealt at random from a standard 52-card deck is:

P(exactly 2 Kings and the Ace of Spades | at least one Ace) = (Number of ways in which we can select 2 Kings and 1 Ace of Spades and 2 non-Kings and non-Ace of Spades cards) / (Number of ways in which we can select at least one Ace)

                         = 5676/15

                         = 378.4 or 0.029 or 2.9%.

   Therefore, the required probability is 0.029 or 2.9%.

Learn more about the standard 52-card deck at: https://brainly.com/question/5858025

#SPJ11

One of the legs of the right triangle measure 12 cm and it’s hypotenuse measure 8 cm

Answers

Answer:

Missing leg = [tex]2\sqrt{14}[/tex]

Step-by-step explanation:

Pythagorean theorem

[tex]a^{2} +b^{2}=c^{2}[/tex]

[tex]12+b^{2} = 8^{2}[/tex]

[tex]12+b^{2} =64[/tex]

[tex]b^{2}=56\\[/tex]

[tex]b=\sqrt{56}[/tex]

[tex]b=2\sqrt{14}[/tex]

Find the surface area of the prism. 13cm 16cm 5cm 12cm

Answers

the surface area of the prism is 706 cm². To find the surface area of a prism, we need to add up the areas of all its faces.    

A prism is a three-dimensional shape that has two parallel and congruent bases that are connected by rectangular sides. Therefore, the surface area of a prism consists of two congruent base areas and the area of all rectangular sides.    

In this case, we have a rectangular prism with a length of 13 cm, a width of 16 cm, and a height of 5 cm. To find the surface area, we can start by calculating the area of the two rectangular bases. The area of a rectangle is found by multiplying its length by its width, so the area of each base is 13 cm x 16 cm = 208 cm².

Next, we need to calculate the area of all four rectangular sides. Since there are four sides, we need to multiply the perimeter of the base (the sum of the lengths of all four sides) by the height of the prism. The perimeter of the base is 2(13 cm + 16 cm) = 58 cm, so the total area of all four rectangular sides is 58 cm x 5 cm = 290 cm².

Finally, we can find the total surface area of the prism by adding the areas of the two bases and the area of all four sides. Therefore, the surface area of the prism is:

Surface area = 2(base area) + (area of all sides)

Surface area = 2(208 cm²) + 290 cm²

Surface area = 706 cm²

Therefore, the surface area of the prism is 706 cm². It is important to understand how to find the surface area of different shapes since it is a common concept in mathematics and is often used in real-life applications, such as calculating the amount of paint needed to cover a surface or the amount of wrapping paper needed to wrap a gift box.

To know more about surface area click here:

brainly.com/question/29298005

#SPJ4

what is the missing value in the following arithmetic sequence? n 1 2 3 4 5 an 2 3.8 5.6 9.2 7.1 7.2 7.4 7.5

Answers

The missing value in the arithmetic sequence is 11.

What is Arithmetic Sequence?

An arithmetic sequence is a list of numbers with a definite pattern. If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.

To find the missing value in the arithmetic sequence, we need to first determine the common difference between consecutive terms.

To do this, we can subtract any two consecutive terms, such as the second and first terms:

3.8 - 2 = 1.8

This tells us that the common difference is 1.8.

Now, we can use this common difference to find the missing value, which is the sixth term in the sequence. We can use the formula for the nth term of an arithmetic sequence:

a_n = a_1 + (n - 1)d

where a_n is the nth term, a_1 is the first term, n is the position of the term we want to find, and d is the common difference.

Using this formula with a_1 = 2, d = 1.8, and n = 6, we get:

a_6 = 2 + (6 - 1)1.8

a_6 = 2 + 5(1.8)

a_6 = 2 + 9

a_6 = 11

Therefore, the missing value in the arithmetic sequence is 11.

To learn more about Arithmetic Sequence, click on the link:

https://brainly.com/question/17043945

#SPJ1

Other Questions
Investor A Has An Initial Wealth Of K550 And A Utility Function Of The Form: U(W) = Log(W) Where W Is Her Wealth At Any Time. Investment Offers Her A Return Of -18% Or +20% With Equal Probability. What Is Her Expected Utility If She Invests Nothing In Investment J? What Is Her Expected Value If She Invests Entirely The phrase buzzing in his ears is figurative language meaning that her Jacques was physicians or attorneys who want to establish credibility with their clients might use language to create a sense of distance, a linguistic strategy known as . group of answer choices linguistic relativism cells of the indicated endocrine gland secrete hormones that decrease blood calcium levels? a. a b. b c. c d. d e. e 1. what is your overall opinion of the discharge process by the hospital nurse? state three areas of priority concerns. The Antarctic and the Arctic each contain a specific type of cold desert known as __________ deserts. (75 Points) Using Python, solve this problem. sixty percent of 800 students in a business statistics class are female. if you want to make probability estimates of the sample proportion of female students without applying the finite population correction factor, what minimal sample size of the random sample should be used? Even after segregation became illegal, Black children's contact with white children was limited just to school settings.a. Trueb. False Which of the following is the bestdefinition of a balanced budget?A. tax revenue is less than government expendituresB. taxevenue equals government expendituresC. tax revenue is greater than government expenditures an analysis of the business environment helps managers identify threats and opportunities that face their firm. group of answer choices true false Explain how alcohol can be considered a drug. How might seeing a woman on the coin affect users over time? In a few sentences, write a reflection about this change. Be sure to use complete sentences. Write the equation of the trend line. Use the points (4, 12) and (12, 8). This exercise assumes you have created the RetailItem class for Programming Exercise 5. Create a CashRegister class that can be used with the RetailItem class. The CashRegister class should be able to internally keep a list of RetailItem objects. The class should have the following methods:A method named purchase_item that accepts a RetailItem object as an argument. Each time the purchase_item method is called, the RetailItem object that is passed as an argument should be added to the list.A method named get_total that returns the total price of all the RetailItem objects stored in the CashRegister objects internal list.A method named show_items that displays data about the RetailItem objects stored in the CashRegister objects internal list.A method named clear that should clear the CashRegister objects internal list.Demonstrate the CashRegister class in a program that allows the user to select several items for purchase. When the user is ready to check out, the program should display a list of all the items he or she has selected for purchase, as well as the total price. factors that limit the range of prices a firm may set are known as pricing . multiple choice question. 5. Block A, of mass M, is suspended from a light string that passes over a pulley and isconnected to block B of mass 2M. Block B sits on the surface of a rough table with acoefficient of kinetic friction k. When the system of two blocks is released from rest,block A accelerates downward with a constant acceleration and block B moves to theright. The moment of inertia of the pulley is I = 1.5 MR. Present all results in terms ofM, g, and R.a. Find the linear acceleration of the system.b. Find the tension force in the vertical section of the string.c. Find the tension force in the horizontal section of the string.d. Find the minimum value of s, such that the blocks will not move. which cloud model uses some datacenters focused on providing cloud services to anyone that wants them, and some data centers that are focused on a single customer? There are 20 Skittles in a bag. Five of them are orange and three of them are blue. Find the probability that you would choose an orange Skittle, replace it, and then choose a blue Skittle. hurricane formation is most likely where there is little wind shear, some coriolis force to provide spin, and what else?