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Effectus [21]
2 years ago
8

Select all the correct answers.

Mathematics
1 answer:
Nesterboy [21]2 years ago
5 0

Answer:

D. 75(5r+3d+4f) and 75(5r)+75(3d)+75(4f)

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EleoNora [17]

Answer:

ummmmmm peace out

Step-by-step explanation:

8 0
2 years ago
A square has a perimeter of 36 millimeters.<br> What is the area of the square?
Nana76 [90]

Answer:

81 mm²

Step-by-step explanation:

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2 years ago
Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 70 feet of fencing to
viktelen [127]

The dimension that would give the maximum area is 20.8569

<h3>How to solve for the maximum area</h3>

Let the shorter side be = x

Perimeter of the semi-circle is πx

Twice the Length of the longer side

[70-(\pi )x -x]

Length = [70-(1+\pi )x]/2

Total area =

area of rectangle + area of the semi-circle.

Total area =

x[[70-(1+\pi )x]/2] + [(\pi )(x/2)^2]/2

When we square it we would have

70x +[(\pi /4)-(1+\pi)]x^2

This gives

70x - [3.3562]x^2

From here we divide by 2

35x - 1.6781x^2

The maximum side would be at

x = 35/2*1.6781

This gives us 20.8569

Read more on areas and dimensions here:

brainly.com/question/19819849

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7 0
1 year ago
Find two fractions with a product between 10 and 11
Eva8 [605]
10.5 i’am not sure but I think
8 0
3 years ago
Please answer this I’ll make you Brainly
sergejj [24]

Answer:

y = -63

Step-by-step explanation:

y - 15 = -78

Add 15 on both sides to get y alone:

y - 15 + 15 = -78 + 15

y = -63

7 0
2 years ago
Read 2 more answers
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