Step-by-step explanation:
By the geometric mean theorem,
12/9 = 9/x
-> x=81/12 = 27/4
Then by the Pythagorean theorem,
y=sqrt(9^2 + (27/4)^2), which you can probably calculate yourself.
<span>Being able to estimate your answer is a very useful skill. ... When decimals are involved, it's very easy to put the decimal point in the wrong place, and ... round all numbers to the same place value—this makes adding or subtracting a bit easier.</span>
To make 70% she has completed 7 out of 10 shots. for her to get 75% she would need 3 out of 4 each time.
Answer: I think 13
Step-by-step explanation:
