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Dafna11 [192]
2 years ago
10

If something cost $37.80, how many tens would you give?

Mathematics
1 answer:
Sophie [7]2 years ago
5 0

Answer:

4 tens

Step-by-step explanation:

3 tens would get you $30, which is $7.80 short. If you give 4 tens you are giving $40 which is 2.20 more than $37.80, which is okay as you can probably get change and it is the least amount of tens you can give to cover the cost.

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azamat
<h3>Answer:  161 degrees</h3>

=========================================================

Explanation:

Line AE is a tangent while line AU is a secant. The angle formed by the secant and tangent lines connects with the arcs through this formula

secant tangent angle = (larger arc - smaller arc)/2

More specifically, we can say:

angle EAI = (arc EU - arc IE)/2

42 = ( (7m+5) - (3m-1) )/2

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Use this value of m to compute each arc

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Let's say arc IU is some unknown number x. It must add to the other two arc measures to form 360 degrees, which is a full circle.

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