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oksian1 [2.3K]
4 years ago
13

Solve the equation 2 n-5=7

Mathematics
2 answers:
Bess [88]4 years ago
4 0

Answer:

n=6 is correct

yuradex [85]4 years ago
3 0

Answer:

n=6

Step-by-step explanation:

add 5 to both sides. now we have 2n=12. we need to get n by itself so we divide both sides by 2. therefore, n=6

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5(2+c)=45+5c no solution​
kolbaska11 [484]

Answer:

Step-by-step explanation:

You have to start out with the distributive property 5 times 2 times c is 10+5c; now you have to subtract 5c on both sides in the upside down T chart, now its 10=45+c and your answer will be c=4.5.

8 0
3 years ago
A ratio of boys to girls in the classroom is 4 to 5 if there are 20 girls how many boys would there be
Viktor [21]

Answer:

16 to 20

Step-by-step explanation:

Let's do our math.

4 to 5

8 to 10

12 to 15

16 to 20

In order to get to 20, you'd have to multiply 5 by 4. So in order to get an equal ratio, you multiply 4 by 4 and get 16.

I hope this helps!

-No one

8 0
2 years ago
chris bought a cup of hot chocolate does his cup probably hold 400 liters or 400 milliliters of hot chocolate
vivado [14]

Answer:

Millileters

Step-by-step explanation:

If it held 400 liters, it would be a pretty gigantic cup

8 0
3 years ago
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Whitepunk [10]
Y=3x-4

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7 0
3 years ago
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UkoKoshka [18]

Answer:

I believe the perimeter is 90 and the area is 300sqft

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