Question

The measure of an acute angle is less than 90 degrees. If an acute angle measures 3x - 15, then the inequality to represent its measure is 3x - 15 < 90. Solve to find the measure of x.

A. x < 25
B. x < 35
C. x < 45

Answer 1

whatcha think?

Answer 2

hint, add 15 to both sides, and divide by 3

Answer 3

um ok so its saying that 3x-15 is less then 90 soo...hmm

Answer 4

i think its 25

Answer 5

a! :)

Answer 6

right?lol

Answer 7

try again, plug 25 in and see it's too low

Answer 8

ooooh

Answer 9

so what did you get now?

Answer 10

um... i cant seem to get it right :/

Answer 11

okay, so plug 35 in for x and see if that works

Answer 12

oh that works!!

Answer 13

bingo ;)

Answer 14

:)