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iogann1982 [59]
3 years ago
5

a section in a stained glass window is shaped like a trapezoid. the top base is 4 centimeters and the bottom base is 2.5 centime

ters long. if the area of the section of glass is 3.9 square centimeters. how tall is the section
Mathematics
1 answer:
Lesechka [4]3 years ago
6 0
Hello, so the equation for the area of a trapezoid is                                      A = (a+b)*(h/2)             

In which, a is one of the bases, b is the other base, and h is the height. A is the Area. If you wanna solve for height, rearrange the equation to what h equals.

First divide (a+b) from both sides
<span>A/(a+b) = h/2  </span>

Now multiply 2 on both sides

2(A/(a+b)) = h

Now you have it rearranged equal to just h. Plug in the values now.

2(3.9/(4+2.5)) = h

2(3.9/(6.5)) = h

2(.6) = h

1.2 = h

<span>The section is 1.2 centimeters tall.your welcome</span>
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3 years ago
Jackson hate about 8,351 calories worth of food in a week. About how many calories worth of food does he eat every day?
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3 years ago
You have 23 1/2 pounds of blueberries to store in freezer bags. Each bag holds 3 3/4 pounds of blueberries. What is the minimum
monitta

Answer:

The minimum number of freezer bags needed to store all the blueberries is 7

Step-by-step explanation:

we know that

To find out the number of freezer bags needed , divide the total pounds of blueberries by 3 3/4, but first convert mixed number to an improper fraction

23\frac{1}{2}\ lb=\frac{23*2+1}{2}=\frac{47}{2}\ lb

3\frac{3}{4}\ lb=\frac{3*4+3}{4}=\frac{15}{4}\ lb

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Round up

7 bags

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The minimum number of freezer bags needed to store all the blueberries is 7

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