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Jlenok [28]
3 years ago
11

-1 + n=8(n+6) what does n equal?

Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0
N=-7

Check: -1 +-7= -8 
             8(-7+6)=-8
              -8 = -8
Both answers are equivalent so the correct answer is -7
Gelneren [198K]3 years ago
4 0
<span>-1 + n=8(n+6)
Use distributive property
-1 + n= 8n + 48
Subtract n from both sides
-1= 7n + 48
Subtract 48 from both sides
-49= 7n
Divide 7 on both sides so that the only thing remaining on the right sides is the varible n.
Final Answer: -7 = n</span>
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Plug them in:

x + 5y = 18 
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F. (1,13)
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1 + 5*13 = 18 is obliviously not true so that takes out the first option.
 
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8 0
2 years ago
The number 321.8 is 34% of x. What is the value of x rounded to the nearest whole number?
Anni [7]

Answer:

946

Step-by-step explanation:

Let's make an equation :

34% of x = 321.8

Covert 34% into decimal by dividing by 100 :

34 ÷ 100 = 0.34

Rewrite equation with decimal form :

0.34x = 321.8

Divide both sides by x to make x the subject :

x = 321.8 ÷0.34

x = 946.470588235

To the nearest whole number will be 946 as 4 rounds it down

So our final answer will be 946

Hope this helped and have a good day

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1 year ago
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