Answer: 12.5 in. high
Step-by-step explanation: to get from 4 to 10, you have to muliplty by 2.5.
if you multiply 5 by 2.5, the answer is 12.5
Switch y and x to find the inverse:
x = 3y - 8
Now just solve for y
y = x/3 + 8/3
Answer: it is equal
Step-by-step explanation: you subtract 15-4 which equals 11. the exponent is the only thing being subtracted since it's a fraction. therefore it equals 10(11)
Answer: 140 female runners
Step-by-step explanation:
First find out the number of runners:
= 42% * 10,000
= 4,200 runners
Then find out the number of female runners:
= 4,200 * 1/3
= 1,400 female runners
Sally finished faster than 90% of the female runners which means that 10% finished faster or at the same time as her.
= 10% * 1,400
= 140 female runners
