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ra1l [238]
3 years ago
11

What's 7n-4=31? What's n=??

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

5

Step-by-step explanation:

solve for n. subtract 4 from 31 and you get 35 then divide 7 by 35 in order to get n which is 5.

sveticcg [70]3 years ago
4 0

Answer:

n=5

Step-by-step explanation:

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Step-by-step explanation:

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4 0
3 years ago
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aleksley [76]
Adding the two equations
3x + 6y + 3x - 6y = 36+0
6x = 36
x = 6
.
subtracting second equation from first
(3x + 6y ) - (3x-6y) =36 -0
12y = 36
y = 3
.
therefore
x = 6 and y = 3
(6,3)
8 0
3 years ago
Read 2 more answers
the half-life of a new experimental drug in your bloodstream is 15 hours how long will it take for the drug to Decay to 60% of t
Ierofanga [76]

4 hours? i may be wrong

i did - 60 * 15

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7 0
3 years ago
At this rate, would a person your age (18 years old) have contributed a ton of garbage? On average, how long does it take for ea
Sloan [31]

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6 0
3 years ago
When the input of the function is -4 what is the output of the function
IceJOKER [234]

Answer:

The output is 5

Step-by-step explanation:

-4 is the input (x value). To find the output, you have to find where -4 is on the line. -4 is on the line when 5 is the y coordinate (output).

8 0
3 years ago
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