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likoan [24]
3 years ago
11

12% is 90% of what number?

Mathematics
1 answer:
Andrews [41]3 years ago
7 0
12% = 0.12

90% = 0.9

0.12 = 0.9 \times x\\\\x = \frac{0.12}{0.9}=\boxed{1.33333}
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What is the area of a rectangle with side lenghts 3x+2 and x-4
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Find the exponential function that passes through the points (2,80) and (5,5120)​
juin [17]

Answer:

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Step-by-step explanation:

If you have two points, (x1, y1) and (x2, y2), whose relationship can be described by the exponential function ...

  y = a·b^x

you can find the values of 'a' and 'b' as follows.

Substitute the given points:

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  y2 = a·b^(x1)

Divide the second equation by the first:

  y2/y1 = ((ab^(x2))/(ab^(x1)) = b^(x2 -x1)

Take the inverse power (root):

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In summary:

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__

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2 x 5
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