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Ber [7]
3 years ago
6

Half of a dome is called what?​

Mathematics
1 answer:
Vesna [10]3 years ago
3 0

Answer:

See I don't know the Answer but I Need points to ask question so Sorry

Step-by-step explanation:

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BaLLatris [955]

Answer:

-6 + 12x

Explanation:

Good luck. Have a great day.

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Plz help got it wrong show work plz
igor_vitrenko [27]

Answer: C) $1951.53

<u>Step-by-step explanation:</u>

A=P(1+r)^{t}

  • A is amount accrued (final balance)
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A=1500(1+0.068)⁴

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6 0
4 years ago
18 POINTS! At the AoPS office, mice vary inversely with cats, that is, mice=k/cats, for some value of k. When there are 3r-19 ca
Blizzard [7]

Answer:

k=30

Step-by-step explanation:

The number of mice vary inversely with cats. This is written as:

Mice \propto \dfrac{1}{Cat} \\Mice = \dfrac{k}{Cat}

When there are 3r-19 cats, there are 2r+1 mice

2r+1 = \dfrac{k}{3r-19}\\$Cross multiply$\\k=(3r-19)(2r+1)

When there are 6r-27 mice, there are r-5 cats.

6r-27 = \dfrac{k}{r-5}\\$Cross multiply$\\k=(6r-27)(r-5)

Taking the values of k above, we have:

k=(3r-19)(2r+1) =(6r-27)(r-5)\\(3r-19)(2r+1) =(6r-27)(r-5)\\6r^2+3r-38r-19=6r^2-30r-27r+135\\$Collect like terms\\6r^2-6r^2+3r+30r-38r+27r-19-135=0\\22r-154=0\\22r=154\\$Divide both sides by 22\\r=7

Therefore:

k=(3r-19)(2r+1) \\=(3*7-19)(2*7+1)\\=(21-19)(14+1)\\=2*15\\k=30

8 0
3 years ago
Can i get help I'm struggling right now
andrezito [222]

Answer:

7a+2a=9a

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You distribute the a to each of the numbers in the parenthesis. Which means that you multiply. You should be left with a 7a+2a. Then since 7+2=9, your answer is 9a. So answer 1 is correct because they do these exact steps.

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Find the circumference of the circle.<br> 7 m
Serggg [28]

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2πr

Step-by-step explanation:

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