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Romashka [77]
3 years ago
8

Need help with this math

Mathematics
1 answer:
Alja [10]3 years ago
4 0

30 divide 4 =

<u><em>7.5</em></u>

Hope this helps!!!! :D

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7.Suppose that water is entering a cylindrical water tank so that the initial height of the water is 3 cm and the
lukranit [14]

Answer:

H(t) = 3*2^{t/30}

Step-by-step explanation:

Height doubles at every 30 seconds, so let's call n how many times it happens, and the t the total time:

n = t/30

If the height doubles one time, it is multiplied by 2, if it doubles 2 times, it's multiplied by 2², for n times, it is multiplied by 2ⁿ, so for an initial height equal to 3:

H(t) = 3*2^{t/30}

4 0
3 years ago
25. In the year 2016, the population of Johns Creek was 124,000. Statistics show that the population is
Aliun [14]
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3 0
3 years ago
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Ugo [173]
Should be option 1. i cant really gv an explanation tho sry :/
3 0
3 years ago
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nikklg [1K]

Answer:

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Step-by-step explanation:

MQ=PN

The angles with markings also go together

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6 0
2 years ago
9y^-5/3y^2r^-3 what is the answer in a fraction​
allsm [11]

Answer:

3r^3/y^7.

Step-by-step explanation:

9y^-5 / 3y^2r^-3

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1 / r^-3 = r^3

So the answer is 3r^3/y^7.

8 0
3 years ago
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