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soldier1979 [14.2K]
3 years ago
15

Is (-3, 2) a solution of 72 +9y > -3?

Mathematics
1 answer:
Alona [7]3 years ago
4 0

Answer:

yes, (-3, 2) is a solution

Step-by-step explanation:

72 + 9y > - 3

9y > - 72 - 3

9y > - 75

y > - 75/9

y > - 25/3

y > - 8. (3)

y ∈ (-8.0(3) ; +oo)

(-3, 2) ⊂ (-8.0(3) ; +oo)

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now, for the second one, we know the diameter is 10, thus its radius is half that or 5.

\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5\\ V=225 \end{cases}\implies 225=\cfrac{\pi (5)^2 h}{3}\implies 225=\cfrac{25\pi h}{3} \\\\\\ \cfrac{225}{25\pi }=\cfrac{h}{3}\implies \cfrac{9}{\pi }=\cfrac{h}{3}\implies \cfrac{27}{\pi }=h\implies 8.59\approx h\implies \stackrel{\textit{rounded up}}{8.6=h}

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3 years ago
4(z-5)+2=4z-18 <br> A 0<br> B 1<br> C infinitely many
Katarina [22]
<span>4(z-5)+2=4z-18 
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answer
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3 years ago
If you deposit $5,000 in an account that earns 2% interest, compounded continuously, how much money will be in the account after
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Step-by-step explanation:

The key phrase here is "compounded continuously".  This phrase tells you that you must use the following equation:


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He did manifest coding and he should have recorded the base.

It should be noted that an inference simply means the conclusion that can be deduced based on the information given.

In this case, the friend was interested in determining whether the news media noticed campus events and decided to do a content analysis of the local paper.

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