9514 1404 393
Answer:
- common denominator: (x² -4)
- simplified complex fraction: (2x +1)/(9 -2x)
Step-by-step explanation:
It is helpful to remember the factoring of the difference of squares:
a² -b² = (a -b)(a +b)
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Your denominator of (x² -4) factors as (x -2)(x +2). You will note that one of these factors is the same as the denominator in the other fraction.
It looks like you want to simplify ...
Answer:
48 days
Step-by-step explanation:
In terms of rooms per day, the rates add up as ...
(1/J +1/B) +(1/W +1/N) -(1/J +1/W) = 1/12 +1/16 -1/8
1/B +1/N = (4+3-6)/48 = 1/48
Bob and Nick working together can paint 1/48 of the room each day. It will take 48 days for Bob and Nick to paint the room.
Answer:
sine 52 degrees = height / 78
height = 78 * sine 52
height = 78 * 0.78801
height = 61.46478 feet
rounded to nearest tenth 61.5 feet
Step-by-step explanation:
Answer: x < 39
Step-by-step explanation:
From the question, we are informed that Jordan has less than 55 minutes to finish his work and then got a phone call that lasted 16 minutes.
The inequality to show how much time he has to work will be:
x < 55 - 16
x < 39
He has less than 39 minutes
Answer:
Answer D
Step-by-step explanation:
