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AfilCa [17]
3 years ago
13

6n + 9 = -3n-21-6 for n Please help I am very confused

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
8 0

Answer:

n=-4

Step-by-step explanation:

6n+9=-3n-21-6\\6n+9=-3n-27\\9n=-36\\n=-4\\

Hope this helps plz hit the crown :D

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Y=f(x)=9x^2+18x<br><br> Axis= <br> Vertex=<br> Y-intercept =<br> X-intercept=
svet-max [94.6K]
Sent a picture of the solution to the problem (s).

3 0
3 years ago
Can someone seriously help me!!!!!
igomit [66]

Answer:

Step-by-step explanation:

This should help I hope

3 0
3 years ago
Austin takes 4 hours to make 2 backpacks and a handbag. The time he takes to
lys-0071 [83]

Step-by-step explanation

b = 2h      is given

2 b   + h  = 4 hours     is  given      sub in the top equation

2 (2h) + h = 4

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7 0
2 years ago
A storekeeper has two kinds of flour, one selling for 65 cents per pound, and the other selling for 95 cents per pound. How many
Murrr4er [49]

Answer:

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

Step-by-step explanation:

Let

x ----> amount of 65 cents per pound flour to use

y----> amount of 95 cents per pound flour to use

we know that

x+y=100 ----> y=100-x ----> equation A

0.65x+0.95y=0.83(100) ----> equation B

substitute equation A in equation B

0.65x+0.95(100-x)=0.83(100)

Solve for x

0.65x+95-0.95x=83

0.95-0.65x=95-83

0.30x=12

x=40\ lb

Find the value of y

y=100-40=60\ lb

therefore

The amount of 65 cents per pound flour to use is 40 pounds and the amount of 95 cents per pound flour to use is 60 pounds

4 0
3 years ago
Read 2 more answers
A number is multiplied by 4 and then 12 is added. the result is 36. what is the number?
musickatia [10]

Answer:

6

Step-by-step explanation:

4 * x + 12= 36

          -12  -12

4x = 24

x= 6

6 0
2 years ago
Read 2 more answers
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