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3 years ago

What is 28,372.852 as fraction form?

Mathematics

1 answer:

Leya [2.2K]3 years ago

7 0

Answer:28372852/1000

Step-by-step explanation:

28372.852=28372852/1000

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We are going to fence in a rectangular field that encloses 75 ft2. Determine the dimensions of the field that will require the l

pychu [463]

Answer:

For width W and length L, we have:

W = L = √(75ft^2) = 8.66ft

Step-by-step explanation:

For a rectangle of length L and width W, the area is:

A = L*W

and the perimeter is:

P = 2*L + 2*W

First, we know that the area of our rectangle is:

A = 75ft^2 = L*W

And we want to minimize the perimeter of our rectangle, then we need to minimize:

P = 2*L + 2*W

From the equation:

75ft^2 = L*W

We can isolate one of the variables, let's isolate L

L = (75ft^2)/W

We could replace this in the perimeter equation:

P(W) = 2*( (75ft^2)/W) + 2*W

P(W) = (150 ft^2)/W + 2*W

To find the minimum of the perimeter we need to look at the zero of the first derivative of P(W).

P'(W) = dP(W)/dW = -(150ft^2)/W^2 + 2

Now we need to find the value of W such that:

P'(W) = 0

0 = -(150ft^2)/W^2 + 2

(150 ft^2)/W^2 = 2

(150ft^2) = 2*W^2

(150ft^2)/2 = W^2

75 ft^2 = W^2

√(75ft^2) = W = 8.66ft

And remember that:

L = (75ft^2)/W

replacing with W = √(75ft^2)

L = (75ft^2)/√(75ft^2) = √(75ft^2)

Then:

W = L = √(75ft^2) = 8.66ft

6 0

3 years ago

Given h(x) = –2 +5, find h(5).

77julia77 [94]

Answer:

h(5) = 15

Step-by-step explanation:

h(x) = -2 + 5

h(5) = -2(5) + 5(5)

h(5) = -10 + 25

h(5) = 15

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3 years ago

Which statement about the graph is true? The graph shows a proportional relationship because it is a line, and the difference be

irga5000 [103]

Answer:

Quick question what graph

Step-by-step explanation:

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3 years ago

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True [87]

Answer:

(0;2), maximum

Step-by-step explanation:

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3 years ago

Mrs. Amy has 5 bunches of grapes, which she is serving as a snack to a group of children. Each serving is 1/4

omeli [17]

We will see that 20 children can get a serving.

<h3>How to divide fractions?</h3>

To see how many children can get a serving we need to take the quotient between the total amount of grapes and the amount of grapes needed for each serving.

We know that there are 5 bunches of grapes, and each serving needs 1/4 bunches, then we need to solve:

$\frac{5}{1/4}$

Notice that we can write 5 as a fraction:

5 = 5/1

then:

$\frac{5/1}{1/4}$

Now, the two numbers in the middle (both ones) remain on the denominator, while the other 2 conform the numerator, then we have:

$\frac{5/1}{1/4} = \frac{5*4}{1*1} = 20$

So 20 children can get a serving.

If you want to learn more about fractions, you can read:

brainly.com/question/11562149

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3 years ago