Which is the explicit equation that starts at x=0 for the sequence 7, 10, 13,


16,.


1 point


Of(x) = 7x + 3


f(x) = 7(x+1) + 10


Of(x) = 3x + 7


f(x) = 3(x+1)+7

The simplified value of the given expression (8. 4 × 10^8) ÷ (1. 5 × 10^3) in  scientific notation form is given by  5.6 × 10^5.

Expression is equal to ,

(8. 4 × 10^8) ÷ (1. 5 × 10^3)

To divide two numbers in scientific notation, we need to divide their coefficients and subtract their exponents.

(8.4 × 10^8) ÷ (1.5 × 10^3)

Apply law of exponents here,

When m > n

a^m ÷ a^n = a^( m - n )

Here , a = 10 , m = 8 and n = 3

= (8.4 ÷ 1.5) × 10^(8-3)

= 5.6 × 10^5

Therefore, the value of given expression is equal to  5.6 × 10^5 in scientific notation.

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The above question is incomplete , the complete question is:

Find (8. 4 × 10^8) ÷ (1. 5 × 10^3). Express your answer in scientific notation

At the point (5, 17, 1), the partial derivatives of z with respect to x and y are -12.5 and 0.25, respectively, as calculated using implicit differentiation. At the point (5, 17, 1), the partial derivatives of z with respect to z and y are 0.16 and -1.

To find the partial derivatives, we need to use the implicit differentiation.

To find ∂z/∂x, we differentiate the equation with respect to x, treating y and z as functions of x

4z^3(dz/dx) + 2z^2x^2 - 0 - 0 = 0

Simplifying, we get

4z^3(dz/dx) = -2z^2x^2

(dz/dx) = -1/2x^2z

At the point (5, 17, 1), we have

(dz/dx) = -1/2(5)^2(1) = -12.5

To find ∂z/∂y, we differentiate the equation with respect to y, treating x and z as functions of y

4z^3(dz/dy) - 1 - 0 + 0 = 0

Simplifying, we get

4z^3(dz/dy) = 1

(dz/dy) = 1/4z^3

At the point (5, 17, 1), we have

(dz/dy) = 1/4(1)^3 = 0.25

To find ∂z and ∂y at the point (5, 17, 1), we need to take partial derivatives with respect to z and y, respectively, of the implicit equation

z^4 + z^2x^2 - y - 9 = 0

Taking the partial derivative with respect to z, we get

4z^3 + 2z^2x^2(dz/dz) - dy/dz = 0

Simplifying and solving for ∂z, we get

∂z = dy/dz = 8z^3/(2z^2x^2) = 4z/x^2

At the point (5, 17, 1), we have

z = 1, x = 5

So, ∂z at the point (5, 17, 1) is

∂z = 4z/x^2 = 4(1)/(5^2) = 0.16

To find ∂y, we take the partial derivative with respect to y, keeping x and z constant

-1 = ∂y

Therefore, ∂y at the point (5, 17, 1) is -1.

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The area of the ring is 1,462.81 square feet, under the condition that a circle is circumscribed around a regular octagon with side lengths of 10 feet.

The area of the ring formed by the two circles can be evaluated using the formula for the area of a ring which is

Area of ring = π(R² - r²)

Here
R = radius of the larger circle
r = smaller circle radius

The radius of the larger circle is equal to half the diagonal of the octagon which is 10 feet. Applying Pythagoras theorem, we can evaluate that the length of one side of the octagon is 10/√2 feet.
Radius of the larger circle is

R = 5(10/√2)
= 25√2/2 feet
≈ 17.68 feet

Staging these values into the formula for the area of a ring,

Area of ring = π(17.68² - 10²) square feet

Area of ring ≈ 1,462.81 square feet
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Using inductive reasoning, we can observe a pattern in the given data: the number of stereos sold decreases by 45 each month.

We can apply this pattern to make conjectures about the number of stereos sold in June, July, and August.

June: 235 (May's sales) - 45 = 190 stereos
July: 190 (June's sales) - 45 = 145 stereos
August: 145 (July's sales) - 45 = 100 stereos

So, the conjectures for the number of stereos sold are:
June: 190
July: 145
August: 100

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Choosing two flowers from a bouquet with 7 purple, 9 yellow, and 12 pink flowers is a dependent event.

This is a dependent event. The reason is that after choosing a flower to give to a friend, the number of flowers left in the bouquet changes, which in turn affects the probability of choosing a specific color for yourself. Since the outcome of the first choice impacts the probability of the second choice, the events are dependent.

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The current depth of oil left in the tank is approximately 4.64 cm.

The volume of the oil tank can be found by multiplying its length, width, and height:

Volume of the oil tank = length x width x height

= 36.5 cm x 52 cm x 29 cm

= 53,854 cubic cm

If 45 liters of oil have been removed from the tank, the current volume of oil in the tank is:

Current volume of oil = Total volume of tank - Volume of oil removed

= 53,854 cubic cm - 45,000 cubic cm (1 liter = 1000 cubic cm)

= 8,854 cubic cm

Let's assume that the depth of oil left in the tank is x cm. Then the volume of oil left in the tank can be found by multiplying the length, width, and depth of oil:

Volume of oil left in tank = length x width x depth of oil

= 36.5 cm x 52 cm x x cm

= 1906x cubic cm

Now we can set up an equation to find the value of x:

1906x = 8,854

Dividing both sides by 1906, we get:

x = 4.64 cm

Therefore, the current depth of oil left in the tank is approximately 4.64 cm.

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The height of the statue is 288 feet.

The scale factor is 240:1

Or, the ratio of the height of the statue to the height of the drawing = 240:1.

This means, for 1 unit height of drawing, the height of the statue = 240 units

Or, for 1 feet height of the drawing, the height of the statue = 240 feet.

Let us suppose the actual height of the statue to be x.

The height of the drawing = 1.2 feet    (given)

So, the ratio of the height of the statue to the height of the drawing = x/1.2

But, the scale factor  = 240:1 = 240/1

∴ 240/1=x/1.2

⇒x=240×1.2

⇒x=288

Hence, the height of the statue is 288 feet.

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Answer:

21.5

Step-by-step explanation:

First we can solve for c using the pythagoreom theorem. (probably didn't spell that right)

A squared + B squared =  C squared

9 squared + 3 squared = c squared

81+9= c squared

90=c squared

90 square root is (rounded to the nearest tenth) 9.5

c=9.5

Then we can add 9.5+9+3= 21.5

The future value of the investment when Jack is ready to purchase the vacation home is $44,924.

To solve this problem, we can use the formula for future value of an annuity:

FV = Pmt x [(1 + r)^n - 1] / r

Where:

Pmt = $1000 (quarterly contribution)
r = 0.021 (annual interest rate)
n = 40 (number of quarters until Jack turns 50)

Plugging in the numbers, we get:

FV = $1000 x [(1 + 0.021)^40 - 1] / 0.021
FV = $44,924.38

Therefore, the future value of Jack's investment, rounded to the nearest dollar, is $44,924. So the correct answer is $44,924.

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Since Chris can only buy whole DVDs, he can purchase a maximum of 5 DVDs within his $100 budget.

Each DVD costs $15.99, and the shipping for the entire order is $9.99.

We can use the following inequality to represent Chris's budget constraint:

15.99x + 9.99 ≤ 100

Here, x represents the number of DVDs he can buy.

To find the maximum value of x, we can rearrange the inequality:

x ≤ (100 - 9.99) / 15.99 x ≤ 90.01 / 15.99 x ≤ 5.63

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The polynomials are multiplied to give the expression x³ + 3x² - 22x - 24

We need to know that algebraic expressions are described as expressions that are composed of terms, variables, their coefficients, factors and constants.

Also, these expressions are made up of mathematical operations. They are listed as;

From the information given, we have the expression;

(x+6)(x2−3x−4)

expand the bracket, we get;

x³ - 3x² - 4x + 6x² - 18x - 24

add the like terms, we get;

x³ + 3x² - 22x - 24

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The force on a sail with an area of 250 f12 and a wind speed of 35 mph would be 108.72 pounds.

We are given that the wind force F on a sail varies jointly as the area A and the square of the wind speed W. We can represent this relationship mathematically using the equation:

F = k * A * W²

where k is a constant of proportionality.

We are also given that the force on a sail with an area of 500 p and wind speed of 18 mph is 64.8 pounds. We can use this information to solve for k:

64.8 = k * 500 * 18²

Solving for k, we get:

k = 64.8 / (500 * 18²)

k = 0.0000768

Now, we can use the equation to find the force for a sail with an area of 250 f12 and a wind speed of 35 mph:

F = 0.0000768 * 250 f12 * 35²

F = 108.72 pounds

Therefore, the force on a sail with an area of 250 f12 and a wind speed of 35 mph would be 108.72 pounds.

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The equation that can be used to determine the number of minutes t, from now and height, ℎ (in feet), at which they will pass each other is 75t = h.

The time taken for them to pass each other is calculated as follows;

Apply the rules of relative velocity;

(V₂ - V₁)t = h

where;

(30 ft/min - ( -45 ft/min )t = h

75t = h

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The expected value of x is given as follows:

E(X) = 1.6.

The expected value of a discrete distribution is given by the sum of each outcome multiplied by it's respective probability.

The distribution for this problem is given as follows:

Hence the expected value is given as follows:

E(X) = -7 x 0.2 - 3 x 0.1 + 3 x 0.4 + 7 x 0.3

E(X) = 1.6.

The table is given by the image presented at the end of the answer.

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The integral evaluates to (16/3)s³/² + C.

The power rule of integration is a method for finding the indefinite integral of a function of the form f(x) = x^n, where n is any real number except for -1. The rule states that the indefinite integral of f(x) is (x^(n+1))/(n+1) + C, where C is an arbitrary constant of integration.

To evaluate the integral 8√(s) ds, follow these steps:

1. Rewrite the integral with a rational exponent: ∫8s¹/² ds
2. Apply the power rule for integration: ∫sⁿ ds = (sⁿ⁺¹/(n+1) + C, where n ≠ -1
3. Substitute n=1/2: (s³/²)/(3/2) + C
4. Multiply by 8: 8*(s³/²)/(3/2) + C
5. Simplify the expression: (16/3)s³/² + C

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The image of (5,−4) after a dilation by a scale factor of 4 centered at the origin is (20,−16)

From the question, we have the following parameters that can be used in our computation:

Point = (5,−4)

Scale factor of 4 centered at the origin

The image after a dilation centered at the origin is

Image = Point  * Scale factor

Substitute the known values in the above equation, so, we have the following representation

image = (5,−4) * 4

Evaluate

image = (20,−16)

Hence, the image after a dilation centered at the origin is (20,−16)

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The total number of students going on the trip would be 75 + 50 = 125 according to the first expression, or 325 according to the second expression.

The expression for the total number of students travelling on the trip with only one variable to reflect the extra pupils is:

25x + b

where x is the number of inches of snow that falls and b is the base number of students who sign up regardless of the snowfall.

Now, to write a different expression to show the total number of students going on the trip using an expression consisting of a variable and a number to represent the students, we can use the formula:

N = 25x + 250

where N represents the total number of students going on the trip and 250 represents the base number of students who sign up regardless of the snowfall.

Let's say that 3 inches of snow have fallen. Using the first expression, we would calculate the total number of students as:

25(3) + b = 75 + b

Now, let's say that the base number of students who signed up is 50. Using the second expression, we would calculate the total number of students as:

N = 25(3) + 250 = 325

Therefore, if 3 inches of snow fell and 50 students signed up regardless of the snowfall, the total number of students going on the trip would be 75 + 50 = 125 according to the first expression, or 325 according to the second expression.

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Answer:

482.6 mi

Step-by-step explanation:

a to b = 256.8 mi

a to c = 739.4 mi

(a to c) - (a to b) = 739.4 - 256.8 = 482.6 mi

There were 28 members in the Northview Swim Club on Monday before any new members joined or any current members left.

The equation "m+22-17=33" represents the situation where "m" is the number of members in the Northview Swim Club on Monday.

To solve the equation, we can start by simplifying it:

m + 5 = 33

Next, we can isolate "m" on one side of the equation by subtracting 5 from both sides:

m = 33 - 5

m = 28

Thus, the solution of the equation for the Northview Swim Club on Monday before any new members joined is determined as 28 members.

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The probability that at least two people in a group of 30 have the same birthday is about 0.7063 or 70.63%.

To calculate the probability that at least two people in a group of 30 have the same birthday, we can use the complement rule:

P(at least 2 people have the same birthday) = 1 - P(all people have different birthdays)

The probability that the first person has a unique birthday is 1 (since there are no other people to share with yet).

The probability that the second person also has a unique birthday is 364/365 (since there are now 364 days left out of 365 that they could have a different birthday from the first person).

Similarly, the probability that the third person has a unique birthday is 363/365, and so on. So, we can write:

P(all people have different birthdays) = 1 x 364/365 x 363/365 x ... x 336/365

Using a calculator or computer program, we can evaluate this expression to be approximately 0.2937.

Therefore,

P(at least 2 people have the same birthday) = 1 - 0.2937 = 0.7063

So the probability that at least two people in a group of 30 have the same birthday is about 0.7063 or 70.63%.

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The amount of  bird food in cubic centimeters will fit in the container is

11, 398. 2 cubic centimeters

The formula that is used for calculating the volume of a cylinder is expressed with the equation;

V = π(d/2)²h

Such that the parameters of the given equation are;

Now, substitute the values into the formula, we have;

Volume = 3.14 (22/2)² 30

divide the values

Volume = 3.14(121)30

Now, multiply the values and expand the bracket

Volume = 11, 398. 2 cubic centimeters

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Answer:

for the first three, divide the number by 2

for the second three, multiply by 2

9 and 11. divide the number by 2 and plug into the formula 2 * pi * radius, radius is number/2

10. plug 7 into formula 2 * pi * radius, radius = 7

Step-by-step explanation:

radius is half the length of the circle, diameter is the full length, circumference is 2 * pi * radius

Answer:

Step-by-step explanation:

a)  Profit = Revenue - Cost = (90x - 0.5x²) - (50x + 300)

= -0.5x² + 90x - 50x - 300

= -0.5x² + 40x - 300

b)  -0.5x² + 40x - 300 = 300

-0.5x² + 40x - 600 = 0

use quadratic equation to find the roots of x (a = -0.5, b = 40, c = -600):

x = 20, 60

c)  -0.5x² + 40x - 300 = 15000

-0.5x² + 40x - 15300 = 0

use quadratic equation to find the roots of x (a = -0.5, b = 40, c = -15300):

x = 40±10√290i

Not possible to make a profit of $15,000

The integral of f(x, y) = x + y over the given curve is 8.

To integrate the function f(x, y) = x + y over the curve C: x² + y² = 4 in the first quadrant from (2, 0) to (0, 2), we will use the line integral. Since the curve is a circle, we can parameterize it using polar coordinates as follows:

x = 2cos(θ)
y = 2sin(θ)

Now, let's find the derivatives:

dx/dθ = -2sin(θ)
dy/dθ = 2cos(θ)

Next, we substitute x and y in f(x, y):

f(x, y) = 2cos(θ) + 2sin(θ)

Now, we can set up the line integral:

∫[f(x, y) * ||dr/dθ||]dθ

Since ||dr/dθ|| = sqrt((-2sin(θ))^2 + (2cos(θ))^2) = 2, the line integral becomes:

∫[2cos(θ) + 2sin(θ)] * 2 dθ

To find the limits of integration, we can use the points (2, 0) and (0, 2). In polar coordinates, these points correspond to θ = 0 and θ = π/2.

So, the line integral becomes:

∫[4cos(θ) + 4sin(θ)]dθ from 0 to π/2

Now, we can integrate and evaluate:

[4sin(θ) - 4cos(θ)] from 0 to π/2 = [4(1) - 4(0)] - [4(0) - 4(1)] = 8

Thus, the integral of f(x, y) = x + y over the given curve is 8.

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Unilever should run a z-test of a proportion to test Proctor & Gamble's claim that at least half of the bars of Ivory soap they produce are 99.44% pure or more.

Unilever should use a z-test of a proportion to test whether Proctor & Gamble's claim that at least 50% of Ivory soap bars are 99.44% pure or more is statistically significant based on a sample of 146 bars, of which 70 meet the purity criteria.

The null hypothesis is that the proportion of Ivory soap bars meeting the purity criteria is 0.50, and the alternative hypothesis is that it is greater than 0.50. The z-test yields a p-value of 0.038, which is less than the significance level of 0.05.

Thus, Unilever has sufficient evidence to reject Proctor & Gamble's claim and conclude that the proportion of Ivory soap bars meeting the purity criteria is significantly different from 50%.

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The value of x in the data set is 101.

The mean of a data set is the sum of all the data divided by the count n.

Therefore, let's find the mean of the data set as follows:

The mean is  the sum of the data divided by the total number of data.

Hence, let's find the value of x using the mean

108  = 102 + 120 + 103 + 112 + 110 + x  / 6

108 = 547 + x / 6

Cross multiply

108 × 6 = 547 + x

648 = 547 + x

x = 648 - 547

x = 101

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The distance the plane traveled from point A to point B is approximately y - x:

Distance = y - x

≈ 14046.99 feet - 20246.71 feet

≈ -6200.72 feet.

To find the distance the plane traveled from point A to point B, we can use trigonometry and the concept of similar triangles.

Let's denote the distance from point A to the plane as x, and the distance from point B to the plane as y. We are given the altitude of the plane (constant) as 7275 feet.

At point A, Carlos measures an angle of elevation of 20 degrees to the plane, and at point B, he measures an angle of elevation of 37 degrees to the plane.

Using trigonometry, we can set up the following equations:

tan(20 degrees) = 7275 / x,

tan(37 degrees) = 7275 / y.

We can rearrange these equations to solve for x and y:

x = 7275 / tan(20 degrees),

y = 7275 / tan(37 degrees).

Using a calculator, we can evaluate these expressions:

x ≈ 20246.71 feet,

y ≈ 14046.99 feet.

Therefore, the distance the plane traveled from point A to point B is approximately y - x:

Distance = y - x

≈ 14046.99 feet - 20246.71 feet

≈ -6200.72 feet.

Since the distance cannot be negative, we can round the absolute value of the result to the nearest foot:

Distance ≈ 6201 feet.

To find the distance the plane traveled from point A to point B, we can use trigonometry and the concept of similar triangles.

Let's denote the distance from point A to the plane as x, and the distance from point B to the plane as y. We are given the altitude of the plane (constant) as 7275 feet.

At point A, Carlos measures an angle of elevation of 20 degrees to the plane, and at point B, he measures an angle of elevation of 37 degrees to the plane.

Using trigonometry, we can set up the following equations:

tan(20 degrees) = 7275 / x,

tan(37 degrees) = 7275 / y.

We can rearrange these equations to solve for x and y:

x = 7275 / tan(20 degrees),

y = 7275 / tan(37 degrees).

Using a calculator, we can evaluate these expressions:

x ≈ 20246.71 feet,

y ≈ 14046.99 feet.

Therefore, the distance the plane traveled from point A to point B is approximately y - x:

Distance = y - x

≈ 14046.99 feet - 20246.71 feet

≈ -6200.72 feet.

Since the distance cannot be negative, we can round the absolute value of the result to the nearest foot:

Distance ≈ 6201 feet.

Therefore, the distance the plane traveled from point A to point B is approximately 6201 feet.

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Answer:

D

Step-by-step explanation:

If you dilate the figure with the center at (0,0), the sides of the triangle will be twice as long.  Then You translate the figure 7 units to the right.  

Helping in the name of Jesus.

The correct statement is,

⇒ A dilation by a scale factor of 2, centered at the origin, followed by

the translation (x, y) → (x + 7, y)

A transformation that occurs when a figure is moved from one location to another location without changing its size or shape is called translation.

Since, Scale Factor is defined as the ratio of the size of the new image to the size of the old image.

If the scale factor is more than 1, then the image stretches.

If the scale factor is between 0 and 1, then the image shrinks.

If the scale factor is 1, then the original image and the image produced are congruent.

And, The only change in the dilation process is that the distance between the points changes.

It means that the length of the sides of the original image and the dilated image may vary.

Here, By dilation with factor 2 to the small triangle, its sides becomes equal as big triangle.

Now, center the small triangle at origin (0,0).

Then, transform the small triangle to (x + 7, y) i.e., it exactly gets the coordinates of the big triangle.

There are same in terms of sides length and coordinates.

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To find the area of the floor needed for 6 squirrel monkeys, first calculate the additional area needed for 4 monkeys 4 x 9 = 36 square feet. Add this to the initial area of 36 square feet, to get a total area of 72 square feet. Thus, the floor area for all six monkeys should be 72 square feet.

Let's first find the area of the floor required for the additional 4 monkeys

4 additional monkeys * 9 sq ft per monkey = 36 sq ft

So, to accommodate all 6 monkeys, the total floor area required would be

36 sq ft (original area) + 36 sq ft (additional area) = 72 sq ft

Therefore, the area of the floor for all six monkeys must be 72 square feet.

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