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Dennis_Churaev [7]
3 years ago
15

Simplify 7(x + 2) + 12.7x + 147x + 217x + 26​

Mathematics
1 answer:
Maru [420]3 years ago
3 0

Answer:

<u>7x+28</u>

Step-by-step explanation:

7(x+2)+12. First, distribute

7x+14+12. Now combine like terms

<u>7x+28</u>

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Solve the system of equations using the substitution method.
Katena32 [7]
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         y=3x+9

1)      4x+5(3x+9)=7                 2)        y=3(-2)+9
                                                             y= -6 +9 
         4x+15x+45=7                               y=3                                                     
         19x+45=7
          19x= -38
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x is -2 and y is 3
3 0
3 years ago
Use the expansion shown to simplify the expression.
zzz [600]
Either -1/2 or -0.5. Either will work
7 0
3 years ago
Read 2 more answers
The freezing wind whipped my hair across my face and cut my hands with its blades. It howled in my ears like a dog baying at the
kobusy [5.1K]

Answer:

Touch

Step-by-step explanation:

You can feel the words "chilling" and "force".

6 0
4 years ago
Solve for V<br> 1 - 5V = V + 9 – 10V
denpristay [2]

Answer:

2

Step-by-step explanation:

1-5V=V+9-10V

1-5V-V-(-10V)=9

1-5V-V+10V=9

1-6V+10V=9

1+4V=9

4V=9-1

4V=8

V=8/4

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7 0
3 years ago
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3.2 x 10^-2 + 3.2 x 10^-4 + 2.8 x 10^-2
= 3.2 + 2.8
= 6 x 10^-2 + 3.2 x 10^-4
Convert 3.2 into fraction which is 16/5
And express with a positive exponent using “a^-n = 1/a^n” therefore
= 6 x 10^-2 + 16/5 x 1/10^4
= 6 x 1/10^2 + 16/5 x 10^4
= 6 x 1/100 + 16/5 x 10,000
Reduce 6 and 100 with the GCF ‘2’
Then reduce 16 and 10,000 with 16
= 3 x 1/50 + 1/5 x 625
Multiply
= 3/50 + 1/3125
Then add
The answer is
= 377/6250
= 0.06032
3 0
3 years ago
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