3 years ago

How do unit rates help you make decisions about which items to purchase

Mathematics

1 answer:

Valentin [98]3 years ago

5 0

Answer:

The higher number would be the one that more people are getting

Step-by-step explanation:

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$\displaystyle\\
\begin{cases}
R_1 = 3R_2\\
\pi R_1^2 +\pi R_2^2=12\pi ~~~\Big|~~:\pi 
\end{cases} \\ \\ 
\begin{cases} 
R_1 = 3R_2\\
R_1^2 + R_2^2=12 
\end{cases} \\ \\ 
(3R_2)^2+ R_2^2=12 \\ \\ 
9R_2^2 + R_2^2=12 \\ \\ 
10R_2^2=12\\\\
R_2^2 = \frac{12}{10} = \frac{6}{5} \\ \\ 
R_2 = \boxed{\sqrt{\frac{6}{5}} } \\ \\ 
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3 years ago

Giving brainlist to whoever answers

SpyIntel [72]

Answer:

144m2

Step-by-step explanation:

I think very carefully on my brain is it cirrect?

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2 years ago

Damon buys lumber worth $562. He gets a 20% contractor’s discount. The sales

Elanso [62]

Answer:
$467.05
Step-by-step explanation:
The price is $562
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He won't be paying this amount, because paying through credit card will give him 2% discount on this, so:
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I'm pretty sure the answer would be false. It's should be -7 because it's counting down 1 2 3.

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