Answer:
He needs to score a 19
Step-by-step explanation:
First, I found the mean of the three test scores. The mean was below 17 so I knew he needed a grade higher than the ones he already has. So I went up from 18. So my first equation was 15+18+16+19=68. then I divided by 4 which gives you a mean of 17. (Mean=average)
Answer:
x = 65
Step-by-step explanation:
Triangle interior angle sum is 180 degrees.
2x + 25 + 25 = 180
2x = 130
x = 65
Answer:
64/7 years
9.143 years
Step-by-step explanation:
Input the values
Answer:
y=sin(°/3) means that y equals the sine of a given degree divided by 3.