3 years ago

Is 3/47 a rational number

Mathematics

1 answer:

Nataly_w [17]3 years ago

8 0

A rational number is a number that can be turned into a fraction or is a fraction

so 3/47 is a rational number

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Given <img src="https://tex.z-dn.net/?f=f%28x%29%20%3Dx%5E2%20-6x%2B8%20and%20g%28x%29%20%3Dx-2" id="TexFormula1" title="f(x) =x

Eva8 [605]

For this case we have the following functions:

$f (x) = x ^ 2-6x + 8\\g (x) = x-2$

We must subtract the functions:

$f (x) -g (x) = x ^ 2-6x + 8- (x-2)\\f (x) -g (x) = x ^ 2-6x + 8-x + 2\\f (x) -g (x) = x ^ 2-7x + 10$

We build a table of values for $x = 0,1,2,3.$

$x = 0, f (x) -g (x) = 0 ^ 2-7 (0) + 10 = 10\\x = 1, f (x) -g (x) = 1 ^ 2-7 (1) + 10 = 1-7 + 10 = 4\\x = 2, f (x) -g (x) = 2 ^ 2-7 (2) + 10 = 4-14 + 10 = 0\\x = 3, f (x) -g (x) = 3 ^ 2-7 (3) + 10 = 9-21 + 10 = -2$

Answer:

$f (x) -g (x) = x ^ 2-7x + 10$

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3 years ago

Someone please help me with this<br><br>√2w-t / 3 = 6 [w]

Sergio [31]

Answer:w=6+t/3/2 squared

Step-by-step explanation:

2 squared w= 6+t/3

w=6+t/3/2 squared

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3 years ago

What is the length of a rectangle with width 10 inches and area 45 inches^2? Use 3.14

gogolik [260]

Why would we need 3.14 as pi? The answer is 45/10 = 4.5 inches.

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Answer:

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Likurg_2 [28]

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Step-by-step explanation:

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2 years ago