3 years ago

Please help me ..............................

Mathematics

1 answer:

Nikitich [7]3 years ago

6 0

Question 1 is the correct answer

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Help please!!! thanks

Rom4ik [11]

Answer:

Step-by-step explanation:

first we can simplify by dividing by r

$\frac{9 {r}^{2} }{r} = \frac{9 \times r \times r}{r} = 9 \times r \times 1 = 9r$

the r on the bottom of the fraction will cancel out one of the r's on top, this happens because anything divided by itself is 1, thus r divided by r is 1

finally we can evaluate when r =3,

9r = 9(3) = 27

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AleksandrR [38]

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Step-by-step explanation:

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