There are 160 customers at Harris Teeter. 48 of them are children.What percent of the customers at Harris Teeter are adults?
PLEASE I NEED EXPLANATION

Answer:

179.3 square units

Step-by-step explanation:

We have to find the area of the rectangle and area of semicircle using the formula and then add the areas.

Area of rectangle:

                  length = 14 units

                   width = 10 units

          [tex]\sf \boxed{\text{\bf Area of rectangle = length * width}}[/tex]

                                             = 14 * 10

                                             = 140 square units

Area of semicircle:

                diameter of semicircle = width of the rectangle

                                                 d =  10 units

                                                 r = d ÷ 2

                                                    = 10 ÷ 2

                                                    = 5 units

                     [tex]\boxed{\text{\bf Area of semicircle = $\dfrac{1}{2}\pi r^2$}}[/tex]

                                                       [tex]\sf = \dfrac{1}{2}*3.14*5*5\\\\ = 39.26\\\\ = 39.3 \ square \ units[/tex]

Area of the figure = area of rectangle +  area of semicircle

                             = 140 + 39.3

                             = 179.3 square units

The maximum value of f(x, y) = x^y on the unit circle can be found using the constraint x^2 + y^2 = 1, which defines the unit circle. To solve this, we can use the method of Lagrange multipliers.

Let g(x, y) = x^2 + y^2 - 1. Then, the gradient of f(x, y) and the gradient of g(x, y) should be proportional:
∇f(x, y) = λ∇g(x, y)

Calculating the gradients:
∇f(x, y) = (yx^(y-1), x^y * ln(x))
∇g(x, y) = (2x, 2y)

Equating the components and dividing the equations, we get:
y * x^(y-1) / 2x = x^y * ln(x) / 2y

Simplifying, we obtain:
ln(x) = y

Now, using the constraint x^2 + y^2 = 1, we can substitute y with ln(x) and solve for x:
x^2 + (ln(x))^2 = 1

Numerically solving this equation, we get x ≈ 0.90097 and y ≈ ln(0.90097) ≈ -0.10536. Since we are only interested in positive values of x and y, this is the only solution in our domain. Now, we can find the maximum value of f(x, y):
f_max = f(0.90097, -0.10536) ≈ 0.79307

So the maximum value of f(x, y) on the unit circle is approximately 0.79307.

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Probability of Janie winning game = (2⁴⁷ - 1)/2⁴⁷  or approximately 0.999999999999978, using binomial distribution with given information.

We can solve this probability by using the binomial distribution. Let X be the random variable representing the number of heads in the remaining tosses until one of the players wins the game. Since Luka has 24 points, Janie needs to win X heads before Luka wins one more.

We want to find the probability that Janie wins the game, which is the probability that X is greater than or equal to Luka's remaining points needed to win(25 - 24 = 1).

Let p be the probability of the coin landing heads up, and q be the probability of the coin landing tails up, so that p + q = 1. Since the coin is fair, p = q = 1/2.

Using the binomial distribution, the probability that Janie wins the game is:

P(X >= 1) = 1 - P(X = 0)

where

P(X = k) = [tex](47 - 24 choose k) (1/2)^k (1/2)^(47 - 24 - k)[/tex]

= (23 + k choose k) (1/2)⁴⁷

where k = 0, 1, 2, ..., 23.

Therefore,

P(X = 0) = (23 choose 0) (1/2)⁴⁷ = 1/2⁴⁷

P(X >= 1) = 1 - P(X = 0) = 1 - 1/2⁴⁷

Simplifying,

P(X >= 1) = (2⁴⁷ - 1)/2⁴⁷

Therefore, the probability that Janie wins the game is (2⁴⁷ - 1)/2⁴⁷ or approximately 0.999999999999978.

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The angle measurement would remain as 40 degrees

No, when a geometric figure, such as a line or an angle, is translated (moved) to a new position without being rotated, reflected, or scaled, its shape and size do not change, and therefore its angle measure remains the same.

This property is a fundamental concept in geometry and is known as the "invariance of angle measure under translation". It means that if two angles are congruent (have the same measure) in their original position, they will remain congruent after being translated to a new position.

Hence The angle measurement would remain as 40 degrees

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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 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 derivative of f(x) is: f'(x) = [tan⁻¹(2)/2] - [tan⁻¹(1/2)/2]

The Fundamental Theorem of Calculus is a pair of theorems that link the concept of differentiation and integration. It states that if a function f(x) is continuous on an interval [a, b] and F(x) is the antiderivative of f(x) on the same interval, then:

Part I: The derivative of the integral of f(x) from a to x is equal to f(x):

d/dx ∫a to x[tex]f(t) dt = f(x)[/tex]

Part II: The integral of the derivative of a function f(x) on an interval [a, b] is equal to the difference between the values of the function at the endpoints of the interval:

∫a to b [tex]f'(x) dx = f(b) - f(a)[/tex]

Using Part I of the Fundamental Theorem of Calculus, we have:

f(x) = x∫4 1/(1+4t⁴) dt

Then, by the Chain Rule, we have:

f'(x) = d/dx [x∫4 1/(1+4t⁴) dt] = ∫4 d/dx [x(1/(1+4t⁴))] dt

= ∫4 (1/(1+4t⁴)) dt

= [tan⁻¹(2t)/2]₄¹

= [tan⁻¹(2)/2] - [tan⁻¹(1/2)/2]

Therefore, the derivative of f(x) is:

f'(x) = [tan⁻¹(2)/2] - [tan⁻¹(1/2)/2]

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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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Answer: To find the total amount of sugar required to make the banana pudding, we need to add the amount of sugar needed for the flour mixture to the amount of sugar needed for the meringue topping.

The recipe calls for 2/3 of a cup of sugar for the flour mixture and 1/4 of a cup of sugar for the meringue topping. To add these two fractions, we need to find a common denominator. The least common multiple of 3 and 4 is 12, so we can convert these fractions to twelfths:

2/3 = 8/12

1/4 = 3/12

Now we can add these two fractions:

8/12 + 3/12 = 11/12

So the total amount of sugar required to make the banana pudding is 11/12 of a cup.

Answer:

1.6×10^-12..............

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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To answer this question, we need to know the specific governing equation of the system. Without this information, we cannot determine the value of x in steady state for either case.

However, we do know that the coefficient 'a' in the equation is a positive constant. When a=4, we can solve for x in steady state using the given equation and the value of a=4. When a=2, we can solve for x in steady state using the same equation and the new value of a=2.

In general, the value of x in steady state will depend on the specific equation and the values of its coefficients.
Hi there! To help you with your question, I need more information about the governing equation of the system. Please provide the complete equation with 'x' and the coefficient 'a'. Once I have that information, I can help you find the steady-state values of x for a=4 and a=2.

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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:

4,6,[tex]\sqrt{52} \\[/tex]

Step-by-step explanation:

Area of right triangle= base x height/2=12, but if we remove the division then it's:

base x height=24

factors of 24= 6,4  8,3 24,1 and 12,2

we have the rule that "One leg of the triangle measures one and a half times the length of the other leg." and the pair that matches that is 6 and 4.

So leg a=4 and leg b=6. Using the Pythagorean theorem(a^2+b^2=c^2) we have:

4^2+6^2=c^2=16+36=52 so the answer is 4,6,[tex]\sqrt{52} \\[/tex]

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 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 probability of drawing either a two or a ten is (4+4)/52, which simplifies to 2/13.
The probability of drawing either a two or a club is (3+13)/52, which simplifies to 4/13.

For the first question: In a standard deck of 52 cards, there are four 2s and four 10s. The probability of drawing either a two or a ten is the number of successful outcomes (drawing a 2 or a 10) divided by the total number of possible outcomes (52 cards). So, the probability is (4+4)/52 = 8/52. This can be reduced to the fraction 2/13.

For the second question: There are four 2s and thirteen clubs in a standard deck of 52 cards. Since one of the 2s is a club, there are three additional 2s that are not clubs. The probability of drawing either a two or a club is the number of successful outcomes (3 additional 2s + 13 clubs) divided by the total number of possible outcomes (52 cards). So, the probability is (3+13)/52 = 16/52. This can be reduced to the fraction 4/13.

Therefore,
1) Probability of drawing either a two or a ten: 2/13
2) Probability of drawing either a two or a club: 4/13

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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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There are 1350 4-digit numbers that have the second digit even and the fourth digit at least twice the second digit.

To form a 4-digit number, we have 10 choices for each digit, except the first digit, which can't be 0. Hence, there are 9 choices for the first digit.

For the second digit, there are 5 even digits (0, 2, 4, 6, 8) to choose from.

For the third digit, there are 10 choices.

For the fourth digit, we can choose any of the even digits we picked for the second digit, or any of the larger odd digits 4, 6, 8.

Hence, the number of 4-digit numbers that meet the given criteria is

9 × 5 × 10 × 3 = 1350.

Therefore, there are 1,350 4-digit numbers that have the second digit even and the fourth digit at least twice the second digit.

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Answer:

4

Step-by-step explanation:

2/3 / 1/6

= 2/3 * 6/1

= 12/3

= 4.

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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Rachel's beginning balance one year ago if she has made no other deposits during the year is $800.00. Therefore, the correct option is 2.

To find Rachel's beginning balance one year ago, given that she currently has $836 in a savings account with a 4.5% annual compound interest rate, we'll use the compound interest formula:

A = P(1 + r/n)^(nt)

Where:

A = the final amount ($836)

P = the principal (beginning balance) - this is what we're trying to find

r = the annual interest rate (0.045 or 4.5%)

n = the number of times interest is compounded per year (assuming it's compounded annually, n = 1)

t = the number of years (1 year)

First, rearrange the formula to solve for P:

P = A / (1 + r/n)^(nt)

Now, plug in the values:

P = 836 / (1 + 0.045/1)^(1*1)

Simplify the equation:

P = 836 / (1.045)^1

Calculate the result:

P ≈ 800.00

So, Rachel's beginning balance one year ago was approximately $800.00 which corresponds to option 2.

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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 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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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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The style that will be least expensive for the project, based on the product of the fractions representing the dimensions is the Style D that will yield a total cost of $25.92

A fraction is a representation of a part of a whole. It is a quantity which forms part of a whole number.

The area Qiang wants to tile = 3 ft × 3 ft

The price list and area of each tile, based on the product of the fractions of the tile dimensions are;

A; (5/6) × (1 1/12) = 65/72 cost 3.25

B; (5/6) × (2 1/12) = 125/72 cost 6.20

C; (5/6) × (5/6) = 5/16 cost  2.75

D; (5/12) × (3/4) = 5/16 cost 0.90

E; (5/12) × (5/12) = 25/144 cost 0.65

The areas of the tiles are;

The number of tiles required,  are;

Cost of tiles style A = 9/(65/72) × 3.25 = 32.4

Cost of tiles style B = 9/(125/72) × 6.20 = 32.14

Cost of tiles style C = 9/(5/16) × 2.75 = 79.2

Cost of tiles style D = 9/(5/16) × 0.90 = 25.92

Cost of tiles style E = 9/(25/144) × 0.65 = 33.696

The least expensive style for the project is style D

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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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Answer:The probability of both is 1/4*13/51.

Step-by-step explanation:

There are 52 cards in the deck, 13 hearts and 13 spades. The probability of getting a heart is 13/52 or 1/4. Given an initial heart there are 51 cards remaining; the probability of a spade is now 13/51