2 years ago

The sum of two numbers is 42 and the difference is 20. What are the numbers?

Mathematics

1 answer:

stellarik [79]2 years ago

4 0

Answer:

The two numbers are 31 and 11

Step-by-step explanation:

To double-check the answer. 31 + 11 = 42, and 31-11 = 20

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$\displaystyle 25°\:and\:°65$

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{90° = m∠1 + m∠2

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_______________

$\displaystyle \frac{195°}{3} = \frac{3m∠1}{3} \\ \\ 65° = m∠1$

All you have left to do is this:

$\displaystyle 25° = -65° + 90°$

So, your two angle measures are $\displaystyle 25°\:and\:°65.$

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