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Dvinal [7]
2 years ago
15

Overnight, a pipe cracked and started to leak into a basement. The graph shows the depth of the water in relation to time.

Mathematics
1 answer:
andriy [413]2 years ago
6 0

Answer:

the water will rise 10 in each hour after 4 hours the water will be 40 in deep and it will take 8 hours for the water to reach a depth of 80 in

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What is the sum of the geometric sequence −4, 24, −144, ... if there are 8 terms?
Helga [31]

Answer:

The sum of 8 geometric sequence is 959780

Step-by-step explanation:

We are given

this sequence is geometric

-4 , 24 , -144

First term is -4

so, a_1=-4

now, we can find common ratio

r=\frac{24}{-4}=-6

we can use formula

S_n=a_1(\frac{1-r^n}{1-r} )

n=8

now, we can plug values

S_8=-4(\frac{1-(-6)^{8}}{1+6} )

now, we can simplify it

and we get

S_8=959780

4 0
3 years ago
Fiona rolls a fair dice 192 times.<br> How many times would Fiona expect to roll a three?
kap26 [50]

Answer:

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Step-by-step explanation:

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5/7+7/22 what is the answer
andrey2020 [161]

Answer:

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Step-by-step explanation:

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3 years ago
6. Pamel bought an electric drill at 85% of the regular price. She paid $276,25 for
Katen [24]

Answer:

£325

Step-by-step explanation:

She paid £276.25 which is 85%

Divide 276.25 by 85 which is 3.25

3.25 is 1%

Multiply 3.25 by 100 to get the full Price

3.25 x 100 = £325

3 0
3 years ago
For the problem I tried dividing but my answers were not correct. How can I solve this problem then? Can someone help me out her
astraxan [27]

Answer:

8

Step-by-step explanation:

5 = 40

1 = x

Then we multiply by the rule of crisscrossing

5 x X = 40 x 1

5x = 40 then divide both by 5

X = 8

3 0
2 years ago
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