Question

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

100.7

Answer 2

plugin the number in place of d in the equation

Answer 3

You have the value 200 feet given. Where in the equation can you plug in 200? (p or d?)

Answer 4

replace d by 200 and get
\[p=.43\times 200+14.7\]

Answer 5

just like satellite

Answer 6

Guys, you should explain why instead of just posting the answers.

Answer 7

i did

Answer 8

plugin the number into the equation

Answer 9

explained

Answer 10

0.43 x 200 + 14.7

Answer 11

just like that