30 because the angles of the triangle should be 180. Since we know one is 90 the other is 60 so 180-(90+60)=30
(17.5)(x)=125
Divide each side by 17.5 leaving the equation as x=7.14
Answer:
The answer is D: only I and II
Step-by-step explanation:
I know for sure this is the correct answer. Hope this helped! Mark me Brainliest!
Answer:
I'm not really sure which one you mean, but the exact form is 3/25 and the Decimal form is 0.12
Step-by-step explanation:
<u>ANSWER</u>

<u>EXPLANATION</u>
The given series

This is an arithmetic series with a common difference of

The first term of the series is:

The general term is given by:




The last term is 81
We can use this to determine the number of terms in the series.




The summation notation is:
