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aev [14]
3 years ago
6

20\100 equivalent to 1\5 5\8 equivalent to 9\10

Mathematics
1 answer:
Scilla [17]3 years ago
4 0
20/100 is equivalent to 1/5.

Just divide by 20 on the top and bottom. (20/20)/(100/20)=1/5.
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What is the inverse function of d(x) = 2x - 4?
Naddik [55]
Let d(x) = 2x - 4

Or

y = 2x - 4

We have replace x = y

x = 2y - 4

Now Isolate "y"

x + 4 = 2y

Pass "2" dividing

(x + 4) / 2 = y

y = x/2 + 2

Or

d(x)^-1 = x/2 + 2

7 0
3 years ago
27x + 24y= 4.5<br><br> 1.5x + y =0.225
Goryan [66]

Answer:

x = 0.1, y = 0.075

Step-by-step explanation:

Given the 2 equations

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Multiplying (2) by - 24 and adding to (1) will eliminate the y- term

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Add (1) and (3) term by term to eliminate y

- 9x = - 0.9 ( divide both sides by - 9 )

x = 0.1

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1.5(0.1) + y = 0.225

0.15 + y = 0.225 ( subtract 0.15 from both sides )

y = 0.075

3 0
3 years ago
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Answer:

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Step-by-step explanation:

Not sure if this is right or not...

5 0
3 years ago
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tatuchka [14]

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Step-by-step explanation:

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8 0
2 years ago
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