the area of a square is 500. If its width is one-fifth as long as its length is 4 times long, what is the new area?

A.100
B.400
C.500

There are $22$ valid $3$-word sentences in gnollish.

We can count the number of valid sentences by counting the number of all possible 3-word sentences and subtracting the number of invalid sentences where "splargh'' comes directly before "glumph.''

The total number of possible 3-word sentences is 3³ = 27, as there are 3 choices for each word.

To count the number of invalid sentences where splargh'' comes before glumph,'' we can fix splargh'' in the first position and then there are only 2 choices for the second position and 2 choices for the third position (since we cannot use splargh'' or glumph'' again). Thus, there are 2 * 2 = 4 invalid sentences where splargh'' comes before ``glumph.''

Therefore, the number of valid sentences is 27 - 4 = 23. However, we must also exclude the sentence where all three words are the same (i.e., ``splargh splargh splargh''), since this sentence is not valid according to the given condition. Thus, the final answer is 23 - 1 = 22.

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The price of the television after the drop in its sales price would be = 1200

The percentage of money that was removed from the cost price for the television = 20%

The original price of the television = 1200

The percentage equivalent of 1200 that is 20 = 20/100×1200/1

= 24000/100

= 240

After the sales 240(20%) is added back to the sale price which show that it remains the same after sales.

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The probability that a class of 36 has an average midterm mark that is more than 77.83 is 0.0766. This is because the mean of the normally distributed marks is 78 and the standard deviation is 6. Using the standard normal distribution formula, we can calculate the probability that the average mark of 36 students is more than 77.83.

Standard Normal Distribution Formula: P(x > a) = 1 - P(x < a)

P(x > 77.83) = 1 - P(x < 77.83)

P(x > 77.83) = 1 - 0.9234

P(x > 77.83) = 0.0766

Even though the table appears to have varied shapes depending on the angle from which it is seen, Baby Mary recognizes the table as having the same shape. Shape constancy can be seen in this situation.

             Shape constancy is the ability of an object to retain its shape, size, and orientation even when viewed from different perspectives or angles. In essence, when the shape of an object is known, this allows an individual to recognize the object as a whole.

           It's an important part of perception, and it's what allows us to recognize objects even when they're partially obscured or viewed from a different angle. A child can recognize objects as having the same shape, regardless of the angle from which they are viewed. As the object is observed from a variety of angles, its proportions and the shapes of its edges and sides change. Even so, the child perceives the object as having a consistent shape, size, and orientation.

          This can be attributed to the ability of a child's brain to maintain a mental image of the object's actual shape, even when presented with an altered image.

            As a result, a child may perceive an object as having a consistent shape, even if it appears to be different from one angle to another.

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If Kathy had $20 to spend on 3 gifts and she spent $10⁷/₁₀ on Gift A and $6²/₅ on Gift B, the (balance) amount left for Gift C is $3.89.

The balance can be determined using subtraction operation.

Subtraction operation is one of the four basic mathematical operations, including addition, multiplication, and division.

Subtraction operation involves the minuend ($20), the subtrahends ($10.07 and $6.04), giving a difference or balance of $3.89.

The total spending budget that Kathy has = $20

The number of gifts to buy = 3

The amount spent on Gift A = $10.07 ($10⁷/₁₀)

The amount spent on Gift B = $6.04 ($6²/₅)

The amount left for Gift C = $3.89 ($20 - $10.07 - $6.04).

Thus, after spending on Gifts A and B, the amount left for Gift C is determined using subtraction operation as $3.89.

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The quantity of paper that needed to wrap 6 mini muffins is 84.857 inches^2

The surface area of a cylinder can be calculated using the formula:

Surface Area = 2πr^2 + 2πrh

where r is the radius of the cylinder (which is half of the diameter) and h is the height of the cylinder.

For the mini muffins in question, the diameter is 2 inches, so the radius is 1 inch. The height is 1 and 1/4 inches, or 5/4 inches.

So the surface area of one mini muffin is:

Surface Area = 2π(1)^2 + 2π(1)(5/4)

Surface Area = 2π + 5π/2

Surface Area = 9π/2

To wrap 6 mini muffins, we need to multiply this surface area by 6:

Total Surface Area = 6 x (9π/2)

Total Surface Area = 27π

Approximating π as 22/7, we get:

Total Surface Area ≈ 27 x (22/7)

Total Surface Area ≈ 84.857 inches^2

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Answer:

The quantity of paper that needed to wrap 6 mini muffins is 84.857 inches^2

Step-by-step explanation:

Answer:

Step-by-step explanation:

(-3m + 3d) : 3 =

(-3m + 3d) x 1/3 =

-m + d

To determine if a system of linear equations has infinitely many solutions, you need to solve the system and check the resulting equations.

Here are the general steps:

If you obtain a valid solution for each variable, then the system has a unique solution.

If you have two or more variables and only obtain a solution for some of them, then the system has infinitely many solutions.

It's also important to note that if you have a system with fewer equations than variables, it may also have infinitely many solutions.

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The exponential function that relates the total population, is [tex]P(t)=540,000\left [ 1+(5.1/100) \right ]^t[/tex] and the rate at which the population is increasing in the year 2019 is 69114.53.

The exponential function in mathematics is represented by the symbol eˣ (where the argument x is written as an exponent). The word, unless specifically stated differently, normally refers to the positive-valued function of a real variable, however it can be extended to the complex numbers or adapted to other mathematical objects like matrices or Lie algebras.

we know that ,

the population of any city can be modeled in the form of exponential function as follows:

[tex]P(t)=P(0)(1+R)^t[/tex]    

where, P(t)=population of the town at any given time t

P(0)=population of the town initially (in the year 2000 for this problem)=540,000

R=rate of increase (=5.1% in the given problem)

substituting the values in eqn(1), we get

[tex]P(t)=540,000\left [ 1+(5.1/100) \right ]^t[/tex]

as we know that

[tex]\because \frac{d}{dx}(a^x )=a^xln(a)[/tex]

so differentiating w.r.t. we get,

[tex]P'(t)=540,000\left [ 1+(5.1/100) \right ]^t*ln(1+(5.1/100) )\\\\P'(t)=540,000\left [ (105.1/100) \right ]^t*ln(105.1/100)\\\\P'(t)=540,000\left [ (1.051) \right ]^t*ln(1.051)[/tex]

so, the rate at which population is increasing in the year 2019 =

[tex]P'(19)=540,000(1.051)^{19}*ln(1.051)[/tex]

P'(19)= 69114.53.

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Complete question:

The population of Toledo, Ohio, in the year 2000 was approximately 540,000. Assume the population is increasing at a rate of 5.1 % per year.

a. Write the exponential function that relates the total population, P(t), as a function of t, the number of years since 2000. P(t) = =

b. Use part a. to determine the rate at which the population is increasing in t years. Use exact expressions. P'(t) people per year

c. Use part b. to determine the rate at which the population is increasing in the year 2019. Round to the nearest person per year. P'(19) = people per year

If the Canadian Football League (CFL) drops the requirement of having 21 Canadian players on each team's roster, it is likely that the salaries of Canadian players in the CFL will (option C) decrease.

Currently, the Canadian player ratio is a key factor in determining the salary cap and roster construction for teams in the CFL. If the Canadian player ratio is eliminated, teams may choose to replace Canadian players with cheaper international players, potentially leading to a decrease in demand and salaries for Canadian players.

However, it is also possible that the market for Canadian players could remain strong due to factors such as fan interest and national pride. Therefore, while it is likely that the salaries of Canadian players would decrease without the Canadian player ratio requirement, it is not certain and other factors could come into play.

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Full question:

Suppose the Canadian Football League (CFL) drops the requirement of having 21 Canadian players on each team's roster, what will happen the salaries of Canadian players in the CFL?

A) Stay the same

B) Increase

C) Decrease

D) Uncertain

The only option that represetns a function is the linear equation:

y = 4x - 19

A function is a relation that maps elements from one set, the domain, into elements of another set, the range.

Such that a relation is only a function if each element of the domain is mapped into a single value from the range.

For example, if you look at the second option, here we have the relation:

(-15, 10).(-15, 5),(-10, 0).(-10,-5).(-5, -10)

You can see that the input x = -15 is mapped into two different values, y = 10 and y = 5, so this is not a function.

In the other hand, the first option:

y = 4x - 19

Is a function, this is a linear equation, and each value of x gives a different value of y.

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I don't know but i can help a little

Step-by-step explanation:

But If the slops are the same and the y-intercepts are different, the lines are parallel...

Answer:

12+2x

Step-by-step explanation:

5×3= 15

15+ 2x - 3

collect like terms

15-3+2x

12+2x

therefore 5×3+ 2x - 3 = 12 +2x

When the polynomial p(x)=-x^5-2x^3+4x-3, then the value of p(-1) is 3

The Remainder Theorem is a fundamental concept in algebra that relates the value of a polynomial at a certain point to the remainder of the polynomial's division by a linear factor.

The remainder theorem states that when a polynomial p(x) is divided by (x - a), the remainder is equal to p(a).

In this case, we are asked to find p(-1) when p(x) = -x^5 - 2x^3 + 4x - 3.

To use the remainder theorem, we need to divide p(x) by (x - (-1)), which is the same as (x + 1).

We can perform polynomial long division to find the quotient and remainder

The remainder is -x + 2, which means that p(-1) = -(-1) + 2 = 3.

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13.4 square inches of plastic wrap will be needed to completely cover an ice cream cone that has a slant height of 4.25 inches and a diameter of 2 inches.

To completely cover an ice cream cone that has the slant height of 4.25 inches and a diameter of 2 inches, a plastic wrap of about 13.4 square inches will be needed.

How to calculate the amount of plastic wrap required to cover the ice cream cone?

To calculate the amount of plastic wrap required to cover the ice cream cone, we need to find the lateral area of the cone. This can be calculated using the following formula:

Lateral area of cone = πrℓ

where r is the radius of the base of the cone, ℓ is the slant height, and π is the constant pi, which is approximately equal to 3.14.

In this problem, the diameter of the cone is given as 2 inches, which means the radius of the cone will be half of that, i.e., 1 inch. And the slant height is given as 4.25 inches. Therefore, we can calculate the lateral area of the cone as follows: Lateral area of cone = πrℓ = π × 1 × 4.25= 13.4 square inches.

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Answer:

16/5

Step-by-step explanation:

We can see that the new triangle is larger than the original triangle so we know the scale factor is greater than 1.

The scale factor can be found by calculating the ratio of the length of any two corresponding sides. The length of the bottom side of the original triangle is 5. The length of the bottom side of the new triangle is 16. We can calculate the ratio which is 16:5 or 16/5.

Answer:

D

Step-by-step explanation:

Because this binary function opens down, and it has an extreme point, at t=5, and you plug it in and you get 124 as the maximum.

There are 100,947 ways to assign the tasks to the 7 people.

This problem can be solved using combinations. We need to choose 17 tasks from a total of 17, which can be done in one way, and then assign each of these tasks to one of the 7 people. We can do this by considering all possible combinations of tasks that each person could be assigned.

Let's use the stars and bars method to count the number of ways to distribute the tasks. We can represent the tasks as stars and the people as bars, with each bar representing a separate person. For example, if person 1 is assigned 4 tasks, person 2 is assigned 2 tasks, and person 3 is assigned 1 task,

The number of ways to distribute the tasks is then the number of ways to arrange the 17 stars and 6 bars, which is

(17 + 6) choose 6 = 23 choose 6 = 100947

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Answer: 1/3

Step-by-step explanation:

4 + 8 = 12 so there's 12 marble in the bag and only 4 purple ones. so the probability is 4/12 which we can simplify to 1/3

The answer to the system of equations is (-7/11, 23/11), which stands for the intersection of the two lines.

It has one or more variables, and based on the values of the variables, it can either be true or false. Equations are frequently employed in a wide range of mathematical applications, from straightforward algebraic equations to more intricate differential equations used in calculus and physics. Equations are used to depict relationships between various mathematical objects or values. An essential part of addressing algebraic problems is to solve equations to determine the values of the variables that make the equation true.

given

We can solve one equation for one variable and then insert the expression into the second equation to apply the substitution method. For instance, we can resolve the first equation for y as follows:

y = 2x + 6

After that, we may enter the following expression in place of y in the second equation:

2x + 6 = -9x - 1

Then, we may find x:

11x = -7

x = -7/11

We may use one of the original equations to obtain the value of y once we have determined the value of x:

y = 2(-7/11) + 6 = 23/11

The answer to the system of equations is (-7/11, 23/11), which stands for the intersection of the two lines.

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The number of different colors that Sam can use for the triangle is given as follows:

60 different colors.

The Fundamental Counting Theorem (also known as the multiplication rule) is a fundamental principle in combinatorics that describes how to count the number of possible outcomes in a sequence of events.

The theorem states that if there are m ways that one event can occur and n ways that a second event can occur, then there are m x n ways that both events can occur.

The parameters for this problem are given as follows:

Hence the number of options is obtained as follows:

5 x 4 x 3 = 60 options.

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The height οf the juice can is apprοximately 9.98 inches.

A cylinder is a three-dimensiοnal geοmetric shape that cοnsists οf twο cοngruent and parallel circular bases, and a curved lateral surface that cοnnects the twο bases. The twο bases are usually circular, but they can be any οther shape as well. The lateral surface οf a cylinder is curved, and it has the same crοss-sectiοn alοng its entire length.

The volume of a cylinder is given by the formula [tex]\rm V = \pi r^{2}h[/tex], where V is the volume, r is the radius, and h is the height.

Since the diameter of the juice can is 4 inches, the radius is half of that, or 2 inches.

We are given that the volume of the can is 125 cubic inches, so we can set up the equation:

[tex]\rm 125 = \pi (2)^{2}h[/tex]

Simplifying this equation, we get:

125 = 4πh

Dividing both sides by 4π, we get:

h = 125 / (4π)

So the height of the juice can is approximately 9.98 inches when rounded to two decimal places.

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The line for y=5x passes through the origin (0,0) and has a steep slope of 5, meaning it rises 5 units for every 1 unit to the right. The line for y=4x-1 intersects the y-axis at -1 and has a slope of 4, meaning it rises 4 units for every 1 unit to the right.

To graph the equations  [tex]y=5x[/tex] and [tex]y=4x–1[/tex]  , we can plot their corresponding points on a coordinate plane and connect them to form a line.

For [tex]y=5x[/tex]

        |

     6  |       .

        |     .

     5  |   .

        | .

     4  |     *

        |        .

     3  |           .

        |              .

     2  |                 .

        |                       .

     1  |                            .

        |                                    .

     0  |________________________________________

            0   1   2   3   4   5   6   7   8   9

Choose any x value, let's say x=0, and find the corresponding y value by substituting it into the equation: y=5(0) = 0. This gives us the point (0,0).

Choose another x value, let's say x=1, and find the corresponding y value: y=5(1) = 5. This gives us the point (1,5).

Therefore, A steep slope of 5 means that the line for y=5x climbs 5 units for every 1 unit to the right and passes through the origin (0,0). The line for  [tex]y=4x-1[/tex] has a slope of 4, which means it rises 4 units for every 1 unit to the right, and it meets the y-axis at -1.

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Based on the given circle with center Y, each of the measure include the following:

In Mathematics and Geometry, a circle simply refers to a closed, two-dimensional (2D) curved geometric shape with no edges or corners.

Based on the given circle with center Y and line AD is perpendicular to line DB, we can reasonably infer and logically deduce that arc AC is equal to arc BC;

mAC = mBC = 71 degrees.

mAB = mAC + mBC

mAB = 71 + 71

mAB = 142 degrees.

Since line DC is the perpendicular bisector of line AB, the measure of line AB and line BD can calculated as follows;

AD = BD = AB/2

AD = BD = 60/2

AD = BD = 30 units.

Note: YB is the radius of this circle and the hypotenuse of right-angle triangle YDB, which is equal to 34 units.

In order to determine the length of YD, we would have to apply Pythagorean's theorem as follows;

x² + y² = z²

BD² + YD² = YB²

30² + YD² = 34²

YD² = 1156 - 900

YD = √256

YD = 16 units.

DC = YB - YD

DC = 34 - 16

DC = 18 units.

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No, we cannot conclude that 90% of households have between .7 and 2.1 children based on the confidence interval alone.

Based on the confidence interval alone, we cannot come to the conclusion that 90% of households have a number of children between .7 and 2.1. A confidence interval only provides a range of values that likely contains the true population parameter (in this case, the average number of children per household) with a certain level of confidence (in this case, 90%). It does not provide information about the distribution of the variable within the population. Therefore, we cannot make any conclusions about what percentage of households have a certain number of children based on the confidence interval alone.

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Answer: 36

Step-by-step explanation:

4(9/3)(2) = 36

Answer:

x(z ÷ 3)² = 36

Step-by-step explanation:

Given expression,

→ x(z ÷ 3)²

Now we have to use,

→ x = 4

→ z = 9

Let's simplify the expression,

→ x(z ÷ 3)²

→ 4(9 ÷ 3)²

→ 4 × (3)²

→ 4 × 9

→ 36 => {answer}

Therefore, the answer is 36.

Answer:

The volume of a tetrahedron can be found using the formula:

V = (1/3) * A * h

where A is the area of one of the faces of the tetrahedron, h is the height of the tetrahedron, and V is the volume of the tetrahedron.

In this case, we are given that the area of one of the faces is 21 m² and the height of the tetrahedron is 6 m. Substituting these values into the formula, we get:

V = (1/3) * 21 m² * 6 m

V = 42 m³

Therefore, the volume of the tetrahedron is 42 cubic meters.

The point that partitions segment AB in a 1:4 ratio is [tex]P = \left(-1, -\frac{2}{5}\right)$[/tex].

To find the point that partitions segment AB in a 1:4 ratio, we can use the section formula.

Let P = (x, y) be the point that partitions segment AB in a 1:4 ratio, where AP:PB = 1:4. Then, we have:

[tex]$\frac{AP}{AB} = \frac{1}{1+4} = \frac{1}{5}$$[/tex]

and

[tex]$\frac{PB}{AB} = \frac{4}{1+4} = \frac{4}{5}$$[/tex]

Using the distance formula, we can find the lengths of AP, PB, and AB:

[tex]AP &= \sqrt{(x+3)^2 + (y-2)^2} \\PB &= \sqrt{(x-7)^2 + (y+10)^2} \\\ AB &= \sqrt{(7+3)^2 + (-10-2)^2} = \sqrt{244}[/tex]

Substituting these into the section formula, we have:

[tex]$\begin{aligned}x &= \frac{4\cdot(-3) + 1\cdot(7)}{1+4} = -1 \ y &= \frac{4\cdot2 + 1\cdot(-10)}{1+4} = -\frac{2}{5}\end{aligned}$$[/tex]

Therefore, the point that partitions segment AB in a 1:4 ratio is [tex]P = \left(-1, -\frac{2}{5}\right)$[/tex].

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According to the question, we are given a triangle XYZ

where,

Angle sum property states that sum of all the angles of triangle is 180°. So by adding all the three angles we will get the required value of a.

∠X + ∠Y + ∠Z = 180°

30° + 20° + 2a° = 180°

50° + 2a° = 180°

2a° = 180° - 50°

2a° = 130°

a° = 130/2

a° = 65°

Therefore, required value of a is 65°

Answer:

B

Step-by-step explanation:

remember : the sum of all angles in a triangle is always 180°.

are you sure the third angle is called ZZ ?

I am rather sure it would be called XY !

so,

180 = ZX + ZY + XY = 30 + 20 + 2a

130 = 2a

a = 130/2 = 65°