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enyata [817]
3 years ago
12

3a/4+b=7 solve for b​

Mathematics
1 answer:
Allushta [10]3 years ago
3 0

Answer:

b= 7 - (3a/4)

Step-by-step explanation:

Assuming you don't know what "a" equals:

-subtract 3a/4 from both sides

b= 7 - (3a/4)

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an assistant recieved a 3% raise bringing the salary to 43,989 what was the salary defore the raise? (round to the nearest dolla
lesya692 [45]
If her original salary is x, then her new salary is 103% of x.
To obtain x from 43989, you therefore divide 43989 by 1.03 to get:
42708 (to nearest dollar).
You can the check it by multiplying by 1.03.
4 0
3 years ago
Read 2 more answers
Describe two different ways to solve: -10=1/4(8y-12)
timurjin [86]
There are two ways to approach this question. The first is to divide both sides of the equation by 1/4, which is the same as multiplying by 4.
4*(-10)=4*(1/4)(8y-12)
-40=1(8y-12)
-40=8y-12
-40+12=8y-12+12
-28=8y
-28/8=8y/8
-3.5=y
Another method is to distribute 1/4 to each term within the parentheses.
-10=8y*(1/4) - 12*(1/4)
-10=2y - 3
-10+3=2y - 3 +3
-7=2y
-7/2= 2y/2
-3.5=y
I hope this is helpful!
3 0
3 years ago
Guys help me with this question.
Vladimir79 [104]
100/-24 = -4 :)))))))
8 0
3 years ago
10x +1 12x-5 solve for x
dimulka [17.4K]

Answer:

x = 3

Step-by-step explanation:

10x + 1 = 12x - 5

Subtract 1 from each side

10x = 12x - 6

Subtract 12x from each side

-2x = -6

Divided by -2

x = 3

5 0
4 years ago
A type of green paint is made by mixing 2 cups of yellow with 3.5 cups of blue.
leonid [27]

Answer:

4 cups of yellow with 7 cups of blue

Step-by-step answer:

simply just double both amounts of paint and the ratios should even making the same shade of paint

8 0
3 years ago
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