3 years ago

PLZ HELP IM BEGGING YOU. Just answer 12 and 13

Mathematics

1 answer:

Vlada [557]3 years ago

7 0

Answer:

12 is

$t = \frac{3(r - v)}{2} \\$

13 is

$v = \frac{5}{9z - 9w}$

Step-by-step explanation:

Please mark as brainliest

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Savatey [412]

Answer:

z=40 degrees

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Step-by-step explanation:

To solve z you know that 50+90+z= 180 degrees. So z equals 40. To solve x you subtract 90 from 180 to get 90 degrees. To solve you add 50+x+y. You know that x= 90. You would add the angles together to get 180 degrees. 50+90=140 and 180-140 equals 40. Sorry if i'm wrong.

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