
You need to use the equation for adding fractions, which is

In this case, a=-1, b=3, c=-3, d=5.

simplify
answer:
Answer:
44 minutes
Step-by-step explanation:
I would set this up as a proportion-
20 x
5 11
Then cross multiply-
20 x 11 = 220
Divide-
220/5 = 44
It would have him 44 minutes to read 11 pages
Answer:
3 Answers By Expert Tutors
so Sq root of 43 lies between 6 & 7. Estimate square root of 43 is 6.5.
Step-by-step explanation:
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Answer: 150 <= x < 250
Step-by-step explanation:
A number, x, rounded to 1 significant figure is 200
Write down the error interval for x
Rounding x to 1 significant figure means that all subsequent digits after the first is rounded down to zero(0) (if the immediate number after the first is digit 5 or more, it is rounded to 1 and added to the first digit).