What is the volume in cubic yards of a greenhouse that is 35 feet long, 10 feet wide, and 10 feet high?

Answer: the first one

Step-by-step explanation:

Answer: The correct option is A.

Explanation:

The given function is,

[tex]f(x)=x^2+8-16x[/tex]

Rewrite the above function.

[tex]f(x)=(x^2-16x)+8[/tex]

To make the perfect square we add and subtract the square of [tex]\frac{b}{2a}[/tex], where b is coefficient of x and a is the coefficient of [tex]x^2[/tex].

Since a=1 and b = -16, So we will add and subtract he square of -8.

[tex]f(x)=(x^2-16x+(-8)^2)+8-(-8)^2[/tex]

[tex]f(x)=(x^2-16x+(8)^2)+8-64[/tex]

Using [tex](a-b)^2=a^2-2ab+b^2[/tex]

[tex]f(x)=(x-8)^2)-56[/tex]

Therefore, the correct option is A.

Answer:

(A) $1,090

Step-by-step explanation:

We will see that the net income at the comic store is $1,090, so the correct option is a.

The net income will be the difference between how much money enters the store and how much he needs to pay.

We know that each month he gets $3,250.

And he must pay $1,285 for the comics and $875 in expenses, so the net income is:

N = $3,250 - $1,285 - $875 = $1,090

We conclude that the net income is $1,090, so the correct option is a.

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1/2 is twice the sum of -2 and a number is the same as the number decreased by 7/2.

Given that we need to find the sum of -2 and a number is the same as the number decreased by 7/2.

Let's break down the problem and solve it step by step.

The problem states that twice the sum of -2 and a number is the same as the number decreased by 7/2.

Step 1: Assign a variable to the unknown number.

Let's say the unknown number is "x".

Step 2: Write the equation based on the given information.

Twice the sum of -2 and the unknown number is the same as the number decreased by 7/2.

This can be written as:

2(-2 + x) = x - 7/2

Step 3: Simplify the equation.

Multiply 2 by each term inside the parentheses:

-4 + 2x = x - 7/2

Step 4: Isolate the variable on one side of the equation.

To do this, we can subtract x from both sides of the equation:

-4 + 2x - x = x - 7/2 - x

Simplifying:

-4 + x = -7/2

To solve for x, we need to isolate it on one side of the equation.

We can do this by adding 4 to both sides:

-4 + 4 + x = -7/2 + 4

Simplifying:

x = 1/2

Therefore, the unknown number is 1/2.

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Answer:

a). 9 weeks

b). 4 more weeks

Step-by-step explanation:

a). The cost of new bicycle = $155.75

     Amount I have with me   = $30

Therefore remaining amount = 155.75 - 30

                                                 = $ 125.75

Amount I will save in one week = $ 5

Amount my aunt will give me one week  = $ 10

Therefore total amount i will save in one week = 5 + 10

                                                                              = $ 15 in one week

Therefore number of weeks required to collect the remaining amount of $125.75 is  = 125.75 / 15

                   = 8.38 weeks

                  = 9 weeks

Thus 9 weeks are required to save money to buy a bicycle that cost $155.75

b). New cost the bicycle = $ 203.89

    From above at the end of 9 weeks I will have = $ 125.75

    Amount I have with me before = $ 30

   Therefore by the end of 9 weeks I have total amount = 125.75 + 30

                                                                                              = $ 155.75

  Therefore amount less = 203.89 - 155.75

                                         =  $ 48.14

  Number of weeks require to collect the remaining amount of $ 48.14 by saving  $ 15 in one week is = 48.14 / 15

                                             = 3.20 week

                                              = 4 weeks

Thus,  4 more weeks  is required to save money to buy a new bicycle that cost $ 203.89

It will take approximately 9 weeks to save enough money to buy the bicycle. It would take approximately 12 more weeks to save enough money for a bicycle that costs $203.89.

To determine how many weeks it will take to save enough money to buy a bicycle, we can set up an equation:

$30 + ($5 + $10)  imes x = $155.75

Where x represents the number of weeks. Now, we can solve for x:

$30 + $15x = $155.75

$15x = $125.75

x = $125.75 / $15 = 8.38

Since we can't have a fraction of a week, we can round up to the nearest whole number. So, it will take approximately 9 weeks to save enough money.

To determine how many more weeks you would have to save to buy a bicycle that costs $203.89, we can again set up an equation:

$30 + ($5 + $10)  imes x = $203.89

Now, we can solve for x:

$30 + $15x = $203.89

$15x = $173.89

x = $173.89 / $15 = 11.59

Rounding up to the nearest whole number, it would take approximately 12 more weeks to save enough money.

Aiko started jumping rope at 7:45, which is calculated by subtracting the 20-minute jump rope activity duration from the time she stopped at 8:05.

To solve this problem, we need to subtract the duration of Aiko's jump rope activity from the time she stopped. We know that Aiko stopped jumping rope at 8:05 and the duration of her jump rope activity was 20 minutes.

Since Aiko's activity lasted 20 minutes and she ended at 8:05, we need to subtract 20 minutes from 8:05 to find out when she started. Thus, Aiko started jumping rope at 7:45.

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Answer:

Step-by-step explanation:

1. A negative correlation between the temperature and the amount of snow still on the ground

This is casual since temperature and amount of snow are inversely proportional to each other.

2. A negative correlation between the number of digital photos uploaded to a website and the amount of storage space that is left

This is casual since the number of digital photos uploaded and the amount of storage space are  inversely proportional to each other.

3. A positive correlation between the length of the side of a pool and its depth

.

This is not casual since the length of the side of a pool and its depth  are not related.

4. A positive correlation between the height of a woman and the height of her brother

.

This is not casual since the height of a woman and the height of her brother  are not related.

5. A negative correlation between the volume of water in a pot and the amount of time that the water takes to boil

This is not casual since the volume of water in a pot and the amount of time that the water takes to boil are directly proportional.

A relationships would most likely be causal,

a negative correlation between the temperature and the amount of snow still on the ground.

a negative correlation between the number of digital photos uploaded to a website and the amount of storage space that is left

1. A negative correlation between the temperature and the amount of snow still on the ground

This is casual since temperature and amount of snow are inversely proportional to each other.

2. A negative correlation between the number of digital photos uploaded to a website and the amount of storage space that is left

This is casual since the number of digital photos uploaded and the

amount of storage space is inversely proportional to each other.

3. A positive correlation between the length of the side of a pool and its depth

This is not casual since the length of the side of a pool and its depth are not related.

4. A positive correlation between the height of a woman and the height of her brother

This is not casual since the height of a woman and the height of her brother are not related.

5. A negative correlation between the volume of water in a pot and the amount of time that the water takes to boil

This is not casual since the volume of water in a pot and the amount of time that the water takes to boil are directly proportional.

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Final answer:

Joyce read 1/6 of her book on Monday, 2/5 on Tuesday, and 1/3 on Wednesday. After converting to a common denominator and adding the fractions, she read 27/30 of her book, which simplifies to 9/10 or 90% of her book in total.

Explanation:

To find out how much of her book Joyce has read over three days, we need to add up the fractions of the book she read each day.

To calculate the total, we can first find a common denominator for the fractions, which in this case is 30. We then convert each fraction and sum them up:

After adding the fractions, we find that Joyce has read 27/30 of her book over the three days, which can be simplified to 9/10 if we divide both the numerator and the denominator by 3.

Therefore, Joyce has read 90% of her book by the end of Wednesday.

Answer:

40% of 20

Step-by-step explanation:

The unit is converted in new scale as 1 inch is equal to 9 feet.

Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.

For the given situation,

A rectangular sidewalk has a length = 21 feet

Scale factor, 1 inch = 7 feet.

So, 21 feet = [tex]\frac{21}{7}[/tex]

⇒ [tex]3[/tex] inches

The length of the actual side walk changes to 27 feet.

The length of actual side walk in inches = 3 inches.

Now, 1 inch = [tex]\frac{27}{3}[/tex]

⇒ [tex]1 inch = 9 feet[/tex]

Hence we can conclude that the unit is converted in new scale as 1 inch is equal to 9 feet.

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To find the shortest total length of fence needed, divide the field into 3 equal areas. Use the area formula and differentiate to find the value of L that minimizes the perimeter. The shortest total length of fence needed is approximately 64.26m.

To find the shortest total length of fence needed, we need to divide the field into 3 equal areas. Since the total area is 800m², each area will be 800m² ÷ 3 = 266.67m².

Now, let's find the dimensions of each area. Let the length of the rectangle be L and the width be W.

Since the areas are equal, we have LW = 266.67m². We are also given that the field is rectangular, so the perimeter is given by 2L + 2W.

To minimize the perimeter, we can use the formula 2L + 2W = P, and solve for L or W. Using the area formula and substituting, we have 2L + 2(266.67m²/L) = P.

Differentiating with respect to L and equating to zero, we can find the value of L that minimizes the perimeter. Solving the equation gives L ≈ 15.65m.

Therefore, the shortest total length of fence needed is approximately 2L + 2W ≈ 2(15.65m) + 2(266.67m²/15.65m) ≈ 64.26m.

For a rectangular field with a total area of 800 m², divided into three equal areas, the optimal solution is a square field with a side length of approximately 28.28 m. The shortest total length of fence needed is approximately 113.14 m.

Let's go through the step-by-step calculation:

1. **Given Information:**

  - Total area of the rectangular field: [tex]\(800 \, \text{m}^2\).[/tex]

  - The field is divided into 3 equal areas.

2. **Calculate the area of each section:**

  [tex]\[ \text{Area of each section} = \frac{\text{Total area}}{\text{Number of sections}} = \frac{800 \, \text{m}^2}{3} \approx 266.67 \, \text{m}^2 \][/tex]

3. **Assume a square field:**

  Let [tex]\(a\)[/tex] be the side length of the square field.

4. **Express the total area in terms of side length [tex](\(a\))[/tex]:**

  [tex]\[ a^2 = 800 \, \text{m}^2 \][/tex]

5. **Calculate the side length [tex](\(a\))[/tex] :**

  [tex]\[ a = \sqrt{800} \approx 28.28 \, \text{m} \][/tex]

6. **Calculate the total length of the fence (perimeter of the square):**

  [tex]\[ \text{Perimeter} = 4a = 4 \times 28.28 \, \text{m} \approx 113.14 \, \text{m} \][/tex]

Answer:

The correct option is B.

Step-by-step explanation:

In the given diagram, we have 6 boxes of -x and 6 box of 1 on the left hand side. It means,

[tex]LHS=6(-x)+6(1)=-6x+6[/tex]

We have 2 boxes of x and 9 box of -1 on the right hand side. It means,

[tex]RHS=2(x)+9(-1)=2x-9[/tex]

So, the equation represented by the given diagram is

[tex]-6x+6=2x-9[/tex]

[tex]-6x-2x=-9-6[/tex]

[tex]-8x=-15[/tex]

Dived both sides by -8.

[tex]x=\frac{-15}{-8}[/tex]

[tex]x=\frac{15}{8}[/tex]

The value of x is [tex]\frac{15}{8}[/tex]

Therefore the correct option is B.

The value of a bluefin tuna fishing license depends on the price of bluefin tuna and the annual catch limit. The value can be significant, given the potential income of $650,000 per year from tuna fishing. However, it represents a balance between profit and sustainable fishing practices.

The value of a bluefin tuna fishing license mostly depends on the price of bluefin tuna. Given that the price is $3.25 per pound and the average fisherman can catch 200,000 pounds (100 tons) per year, a fisherman could potentially earn $650,000 from tuna fishing annually. This suggests that the value of a fishing license may be quite high. However, the exact cost of the license is determined by several factors, including regulations, environmental impacts (often referred to as a 'tragedy of the commons' scenario), and maintaining a sustainable fishing industry.

Fisheries supposedly operate by established catch limits to prevent decimating the bluefin tuna population, meaning they are restricted in how much fish they can catch. Thus, the value of a fishing license also includes the advantage of sustainable fishing practices, ensuring the bluefin tuna's availability for future generations.

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total pounds

to add, find a common deonmenator (bottom numbers)

the denomenantors are 6,3,2

the common denominator is 6 because 6*1=6, 3*2=6, 2*3=6

multiply each by 1 or a/a where a=a to make the common denomenators so we can add

remember that [tex]\frac{a}{b}+\frac{c}{b}=\frac{a+c}{b}[/tex]

5/6 times 1/1=5/6

2/3 times 2/2=4/6

1/2 times 3/3=3/6

so

[tex]\frac{5}{6}+\frac{2}{3}+\frac{1}{2}=[/tex]

[tex]\frac{5}[6}+\frac{4}[6}+\frac{3}{6}=[/tex]

[tex]\frac{5+4+3}{6}=[/tex]

[tex]\frac{12}{6}=[/tex]

[tex]2[/tex]

2 pounds total of special mix

I found my answer using maths

To find the Jacobian of the given transformation, we need to compute the partial derivatives of x and y with respect to u and v. The Jacobian matrix is a matrix that represents these partial derivatives.

To find the Jacobian of the transformation x = u^2 + uv and y = uv^2, we need to compute the partial derivatives of x and y with respect to u and v. Let's start with the partial derivative of x:

∂x/∂u = 2u + v

Now let's find the partial derivative of x with respect to v:

∂x/∂v = u

Using the same process, we can find the partial derivatives of y:

∂y/∂u = v^2

∂y/∂v = 2uv

Putting it all together, the Jacobian matrix is:

J(u, v) = [∂x/∂u, ∂x/∂v; ∂y/∂u, ∂y/∂v]

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The Jacobian of the transformation is [tex]\( uv(4u + v) \)[/tex].

The Jacobian of the transformation given by [tex]\( x = u^2 + uv \) and \( y = uv^2 \)[/tex] is determined by finding the determinant of the matrix of partial derivatives. The matrix of partial derivatives, known as the Jacobian matrix, is given by: [tex]J = \begin{bmatrix} \frac{\partial x}{\partial u} \frac{\partial x}{\partial v} \\ \frac{\partial y}{\partial u} \frac{\partial y}{\partial v} \end{bmatrix}[/tex]

We calculate each of the partial derivatives:

 [tex]\frac{\partial x}{\partial u} = \frac{\partial}{\partial u}(u^2 + uv) = 2u + v[/tex]

[tex]\frac{\partial x}{\partial v} = \frac{\partial}{\partial v}(u^2 + uv) = u[/tex]

[tex]\frac{\partial y}{\partial u} = \frac{\partial}{\partial u}(uv^2) = v^2[/tex]

[tex]\frac{\partial y}{\partial v} = \frac{\partial}{\partial v}(uv^2) = 2uv[/tex]

Now we can construct the Jacobian matrix: [tex]J = \begin{bmatrix} 2u + v u \\ v^2 2uv \end{bmatrix}[/tex]

The determinant of this matrix gives us the Jacobian of the transformation:

[tex]\text{Jacobian} = \text{det}(J) = (2u + v)(2uv) - (u)(v^2)[/tex]

[tex]\text{Jacobian} = 4u^2v + 2uv^2 - uv^2[/tex]

[tex]\text{Jacobian} = 4u^2v + uv^2[/tex]

[tex]\text{Jacobian} = uv(4u + v)[/tex]

Therefore, the Jacobian of the transformation is [tex]\( uv(4u + v) \).[/tex]