3 years ago

9 cans of paint are needed to

Mathematics

1 answer:

marusya05 [52]3 years ago

8 0

22.5 cans exactly should be used. So, if you round, 23 need to be bought because I am sure you can’t buy 22.5 cans.

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How to find all real solutions

AlladinOne [14]

$\bf \sqrt{\sqrt{x-5}+x}=5\leftarrow \textit{squaring both sides}
\\\\
\sqrt{x-5}+x=25\implies \sqrt{x-5}=25-x\leftarrow \textit{squaring both sides}
\\\\
x-5=(25-x)^2\implies x-5=625-50x+x^2
\\\\
0=x^2-51x+630\implies 0=(x-30)(x-21)$

and surely you'd know what the roots are

7 0

3 years ago

You're shopping for a new 45" HD TV.

Bezzdna [24]

Answer:

Best Buy 30% of 379.99=113.99

379.99-113.99=$266.00

Costco 15% 409.99=61.50

409.99-61.50=348.49

Target 25% of 399.99=99.99

399.99-99.99=300

Best Buy has the best offer.

Step-by-step explanation:

8 0

3 years ago

A student answer 86 problems on a test correctly and received a grade of 98% how many problems were on the test if all the probl

adoni [48]

Answer:

87 or 88

Step-by-step explanation:

86 is 98% of 87.755102

So, the number of problems must have been 87 or 88

6 0

2 years ago

Last winter Armand had mc009-1.jpg of a row of stacked logs. At the end of the winter he had mc009-2.jpg of the same row left. H

notsponge [240]

Boi, I can’t access da pics.

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3 years ago

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4$ is what percent of 50$ ?

djyliett [7]

8 percent. The answer to 4$is what percent of 50$ is 8%

5 0

3 years ago

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