Answer:
Take the root of both sides and solve.
f
=
9 and −
9
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Please ask if you have further questions
120 ways. More details in attachment.
Answer:
t = 6/5
Step-by-step explanation:
Step 1: Define
k(t) = 10t - 19
k(t) = -7
Step 2: Substitute and Evaluate
-7 = 10t - 19
12 = 10t
t = 6/5
Answer:
50 minutes.
Step-by-step explanation:
We solve this question by proportions, using rule of three.
One hour is 60 minutes.
5/6 hour
This is:

50 minutes.