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babymother [125]
3 years ago
14

3/4 (12x+8)=-13- (2x+3)

Mathematics
2 answers:
Katena32 [7]3 years ago
8 0

Answer: = − 2

Step-by-step explanation:

Novosadov [1.4K]3 years ago
5 0
Remove parentheses.

3/4 (12x+8)=−13−2x−3

Simplify 3/4(12x+8) to 3(12x+8)/4.
3(12x+8)/4=-13-2x-3

Factor out the common term 4.
3x4(3x+2)/4=-13-2x-3

Simplify 3×4(3x+2) to 12(3x+2).
12(3x+2)/4=-13-2x-3

Simplify 12(3x+2)/4 to 3(3x+2)
3(3x+2)=−13−2x−3

Simplify −13−2x−3 to −2x−16
3(3x+2)=−2x−16

Expand
9x+6=−2x−16

Add 2x to both sides.
9x+6+2x=−16

Simplify 9x+6+2x to 11x+6.
11x+6=−16

Subtract 6 from both sides.
11x=−16−6

Simplify −16−6 to −22
11x=−22

Divide both sides by 11.
x=− 22/11

Simplify 22/11 to 2.
x=−2

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the median weekly earnings for american workers in 1990 was $412 and in 1999 it was $549. Calculate the average rate of change b
mina [271]

The rate of change between 1990 and 1999 is 15.22

Step-by-step explanation:

The rate of change in this case is given by change in quantity divided by change in time

So,

Rate\ of\ change = \frac{Increase\ in\ money}{Increase\ in\ time}\\=\frac{549-412}{1999-1990}\\=\frac{137}{9}\\=15.22

Hence,

The rate of change between 1990 and 1999 is 15.22

Keywords: Rate of change, median

Learn more about median at:

  • brainly.com/question/10764770
  • brainly.com/question/1087090

#LearnwithBrainly

5 0
3 years ago
W+5r use w=4 and r=6
mars1129 [50]
Since we know the values of the variables, we can simply plug them in and use pemdas to solve.
4 + 5(6)
4 + 30
answer = 34

hope this helps!
5 0
2 years ago
Read 2 more answers
Christian's car used 15 gallons to travel 270 miles. How far can he travel on 11 gallons?
kumpel [21]

Answer:

198

Step-by-step explanation:

270/15 gives us 18, his miles per gallon. multiply that by 11, and you get 198.

5 0
3 years ago
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Answer: Lemme get them socials

Step-by-step explanation: Was goof

4 0
3 years ago
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Many U.S employees received a 3% raise in 2012. Suppose an employee made $47,000 in 2011 and received a 3% raise. What did she m
Hoochie [10]
First lets get 3% into decimal form. 

3% is 3/100  = 0.03

Now multiply 0.03 by 47000 to get how much extra money she was going to get. 

47000 * 0.03 = 1410

Now we just add
47000 + 1410 = 48410 is what she was going to make in 2012

Another way to do this is 

(47000)(1+0.03) = 48410

you would use (1+0.03) which tells you she increased in pay. 

7 0
3 years ago
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