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Aleks04 [339]
3 years ago
10

I need to find a number that the "n" represents. The problem is 9/12=n/32

Mathematics
1 answer:
likoan [24]3 years ago
8 0

The given equation is

\frac{9}{12} = \frac{n}{32}

Here we have to solve for n. First we need to get rid of the denominators and for that we do cross multiplication .

9*32 = 12n

Now we need to isolate n. And for that we need to get rid of 12, by dividing both sides by 12

\frac{9*32}{12}=n

\frac{288}{12} =n

n=24

And that's the required value of n .

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3 years ago
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Butoxors [25]

Answer:

147

Step-by-step explanation:

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4 0
3 years ago
Solve the system of equations using elimination.
Andrej [43]

Answer:

{x = 3, y = 9 thus Answer A is correct

Step-by-step explanation:

{5 y - 7 x = 24 | (equation 1)

{5 y - 9 x = 18 | (equation 2)

Swap equation 1 with equation 2:

{-(9 x) + 5 y = 18 | (equation 1)

{-(7 x) + 5 y = 24 | (equation 2)

Subtract 7/9 × (equation 1) from equation 2:

{-(9 x) + 5 y = 18 | (equation 1)

{0 x+(10 y)/9 = 10 | (equation 2)

Multiply equation 2 by 9/10:

{-(9 x) + 5 y = 18 | (equation 1)

{0 x+y = 9 | (equation 2)

Subtract 5 × (equation 2) from equation 1:

{-(9 x)+0 y = -27 | (equation 1)

{0 x+y = 9 | (equation 2)

Divide equation 1 by -9:

{x+0 y = 3 | (equation 1)

{0 x+y = 9 | (equation 2)

Collect results:

Answer: {x = 3, y = 9

7 0
4 years ago
Read 2 more answers
V = u + at<br><br> u = 2 a = -5 t = 1/2
denpristay [2]

Answer:

v = -0.5

Step-by-step explanation:

v = 2 + (-5 * 1/2)

v = 2 + (-2.5)

v = -0.5

6 0
4 years ago
Read 2 more answers
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