Which of the following would be a good estimate for -7.94 - 2.31?
1 answer:
Answer: -10
Step-by-step explanation:
If you round 7.94 up to 8 and round 2.31 down to 2, then it’s -8-2.
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7(-8+x)=9-6x
distribute
-56 +7x = 9 -6x
add 6x to each side
-56 +13x = 9
add 56 to each side
13x =65
divide by 13
x=5
Answer: x=5
Answer:
= 1/3
Step-by-step explanation:
= 
if f(x) = y, 
= x, so
= 3 since f(3) = 52
finding f'(3)
f'(x) = 3
f'(3) = 3
= 1/f'(x) = 1/3
16+5x-6=20
5x+16-6=20
5x+10=20
5x=20-10
5x=10
x=10/5
x=2
Answer: 2.
Answer:
5 1/2 hours
Step-by-step explanation:
by a factor of 5 means times 4
6*4=24
22/4=5.5 hours
