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olga55 [171]
3 years ago
6

In two or more complete sentences write and solve an equation for the situation and explain how you will solve the equation. Aft

er an 8-week exercise program Grace lost 45 pounds. She now weighs 122 pounds. How much did Grace weigh before she started her exercise program?
Mathematics
1 answer:
timurjin [86]3 years ago
5 0

Grace weighed 167 pounds before she started her exercise program.

Step-by-step explanation:

Given,

Weight lost by Grace = 45 pounds

Weight of Grace after exercise weeks = 122 pounds

Let,

x represents the weight of Grace before she started the exercise program.

Loss means subtraction, therefore,

We will subtract the lost weight from original weight.

Original weight - Weight lost = Weight after exercise weeks

x-45=122

Adding 45 on both sides

x-45+45=122+45\\x=167\ pounds

Grace weighed 167 pounds before she started her exercise program.

Keywords: equation, addition

Learn more about addition at:

  • brainly.com/question/10990024
  • brainly.com/question/11007572

#LearnwithBrainly

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Segment AB is completely rotated about the y-axis to form a 3-D figure. Find the volume of the figure. The
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Answer:

The volume of the figure is 905 cubic units.

Step-by-step explanation:

Rotation is a method of solid transformation which involve turning a given line, or object about a reference point. In the given question, rotating segment AB completely about the y-axis would form a 3 dimensional figure of a sphere.

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3 0
3 years ago
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iVinArrow [24]
<h3>Answer: 35.54 degrees</h3>

How I got this answer:

tan(angle) = opposite/adjacent

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tan(A) = 5/7

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