Maybe 63 if you Estimate it
Answer:
.
Step-by-step explanation:
The inverse is basically you just swapping x and y. People want to solve it for y to make it a function of x.

Swap x and y:

Now solve for y by dividing y on both sides:


.
Answer:
17.5 hours
Step-by-step explanation:
107 = 60(2^n)
n(lg2) = lg(107/60)
n = 0.8345763908 × 21
n = 17.52610421 hours
Answer: 50 - a = 49
Step-by-step explanation:
50 x a =50
50 x 1 = 50
a=1
50 - a = 50 - 1
50 - 1 = 49
Answer:
Step 3
Step-by-step explanation:
7( 8.5-1.5) +8 ÷2
PEMDAS
Parentheses
7*7 +8 ÷2
Then multiplication and division from left to right
49 +8 ÷2
We are still on multiplication and division
49+4
So step 3 is the first mistake