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malfutka [58]
3 years ago
8

Solve for the value of z.

Mathematics
1 answer:
Yuki888 [10]3 years ago
4 0

z=18

3z+4+2z-4+90=180

5z+4-4+90=180

5z+90=180

5z=90

z=18

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What is the distance around a triangle that has sides measuring 2 1/8 feet, 3 1/2 feet, and 2 1/2 feet?
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In this case, we know that each side measure 2 \frac{1}{8}81​ feet, 3 \frac{1}{2}21​ feet, and 2 \frac{1}{2}21​feet  but we have to rewrite each one of this mixed fractions as improper fractions:

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Then we just add all of them to find the perimeter:

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A: The distance around a triangle is \frac{65}{8}865​feet
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