3 years ago

|x-7|+9=12 is one, two or no solution?

Mathematics

2 answers:

allochka39001 [22]3 years ago

3 0

Answer:

There are 2-solutions.

Step-by-step explanation:

patriot [66]3 years ago

3 0

Answer:

two

Step-by-step explanation:

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professor190 [17]

$\bf \textit{surface area of a cylinder}\\\\ SA=2\pi r(h+r)~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=13.5\\ h=90 \end{cases}\implies SA=2\pi (13.5)(90+13.5) \\\\\\ SA=27\pi (103.5)\implies SA=2794.5\pi \implies SA\approx 8779.18$

well, the last part will be with a calculator, but you can simply use the area in π terms.

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3 years ago

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crimeas [40]

Answer:

Step-by-step explanation:

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makkiz [27]

Answer:

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Step-by-step explanation:

using the law of exponents

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