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Nimfa-mama [501]
2 years ago
12

A regular stained glass window is 2 feet by 4 feet. A clear glass border is constructed around the stained glass window. The wid

th of the border is equal and was made out of 7 square feet of clear glass. What is the width of the border?
Mathematics
1 answer:
alexira [117]2 years ago
6 0
Let x = width of border

Area is given to be 7 square feet or 49.

49 = (2x + 2)(2x + 4)

Solve for x.

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13,000 inches equals how many miles
Nataly [62]

Answer:

0.205177 mi

Step-by-step explanation:

Step 1: Find conversions

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Step 2: Use Dimensional Analysis

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2 years ago
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6 0
3 years ago
Solve for x then solve for b
trasher [3.6K]

Answer:

x= 6 and b= 126°

Step-by-step explanation:

okay the first step to solving this is understanding what are the properties of ∠A and ∠B.

so the angles are equal to each other because they are alternate interior angles.

if that is settled it means the equation for both angles would be equal to each other as well.

∠A= 8x + 78°  ∠B= 2x + 114°

therefore: 8x + 78= 2x + 114

                 then solve for x:

  • isolate x and the answer is equal to 6 at the end

now you are looking for angle b, so you input x which is 6 into the equation;

  • ∠B= 2x + 114°

    = 2(6) + 114°

    =12 + 114°

    =126°

3 0
3 years ago
Read 2 more answers
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