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2 years ago

If you can help press on this

Mathematics

1 answer:

GenaCL600 [577]2 years ago

8 0

It is rational because any number that can be represented in a fraction is rational. 4/33 is a fraction, so it is rational.

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Ganezh [65]

1.) 1.67×10 to the power of 9

2.) 1.133×10 to the power of -3

3.) 1.75×10 to the power of 9

4.) 2.64×10 to the power of 4

5.) 2.947×10 to the power of -6

6.) 4.24×10 to the power of 5

7.) 1.0207×10 to the power of 6

8.) 1.027×10 to the power of 5

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3 years ago

The output is eight more than the input

d1i1m1o1n [39]

Answer:

x = input

y = output

y = 8 + x

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3 years ago

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Genrish500 [490]

Answer:

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Step-by-step explanation:

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3 years ago

Two mechanics worked on a car. The first mechanic charged $65 per hour, and the second mechanic charged $90 per hour. The mechan

Katena32 [7]

Answer:

First mechanic worked 20 hours and second mechanic worked 5 hours

Step-by-step explanation:

Let the number of hours the first mechanic worked = $a$

Let the number of hours the second mechanic worked = $b$

Therefore, we can write 2 equations and then solve them simultaneously:

$a+b=25$

$65a+90b=1750$

Rearranging the first equation: $a=25-b$

and substituting into the second equation to find $b$ :

$65(25-b)+90b=1750$

$1625-65b+90b=1750\\
25b=125\\
b=5$

Now sub $b=5$ into the first equation to find $a$

$a+5=25\\
a=20$

Therefore, first mechanic (a) worked 20 hours and second mechanic (b) worked 5 hours

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1 year ago

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2 years ago