Question

Someone please help!

Under water, pressure increases 4.3 pounds per square inch (psi) for every 10 feet you descend. This is represented by the equation p = 0.43d + 14.7, where p is the psi and d is the depth in ft. Find the pressure at 200 feet.
A. 215.13 psi
B. 860 psi
C. 100.7 psi

Answer 1

Replace d with 200 and evaluate

Answer 2

So you want to find p = 0.43*200 + 14.7

Answer 3

So the answer would be a?

Answer 4

What do you get when you evaluate 0.43*200 + 14.7 ?

Answer 5

Oh i got 100.7

Answer 6

you got it

Answer 7

So it's c

Answer 8

yes

Answer 9

Thanks :)

Answer 10

yw