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Neko [114]
2 years ago
5

11. If you want to enlarge a square with area 36 square inches

Mathematics
1 answer:
larisa86 [58]2 years ago
7 0

Answer:

e. 72 inches

Step-by-step explanation:

Well, firstly to find the lengths of the sides, we would have to find the square root of 36 (which is 6, as 6x6=36).

Now, if we enlarge the square by SF 3, the new side lengths would be 6x3=18 inches. That is only one side.

Now we know the length of one side, we can do 18x4 (because as we all know, squares have 4 sides) to find the perimeter.

18x4=72 inches. This means the answer is option e.

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There are two triangles, a big triangle and a small triangle that is inside the big triangle. Because the base of the triangles are parallel to each other( indicated by the arrow), and the small triangle is perfectly inside the bigger triangle, the sides of the triangles are proportional.

It is know that the base of the small triangle is 3.5, and the hypotenuse of the small triangle is 7cm. it is also known that the the hypotenuse of the big triangle is (7+8)=15 and the base of the big triangle is unknown.

Since the triangles are proportional,
to find the base of the big triangle

base(big)/hypotenuse(big)=base(small)/hypotenuse(small)

Plug in the numbers


x/15=3.5/7
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x=7.5

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3 years ago
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3 years ago
The mass of a cylinder made of barium with a height of 2 inches depends on the radius of the cylinder as defined by the function
svp [43]

Answer:

r=22.07\ in

Step-by-step explanation:

<em><u>The correct function is</u></em>

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we have

System of equations

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Solve by substitution method

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3 years ago
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