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Tcecarenko [31]
3 years ago
5

The graph shown represents the volume of petroleum in a spherical tank with a 15-foot radius as a function of the height of the

liquid, in feet. This relationship can be modeled by the equation y = 15πx2 − πx3. What is the approximate height of the petroleum in the tank when the volume is 5,300 ft3?
12.25 ft
12.5 ft
12.75 ft
13.25 ft
Mathematics
1 answer:
shepuryov [24]3 years ago
3 0

Answer:

12.5ft

Step-by-step explanation:

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What is the sum of 4.061 and 18.62?
andrezito [222]

Answer:

22.681

Step-by-step explanation:

  1

    4.061

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  22.681

Hope this helps!! Have a wonderful day C:

6 0
3 years ago
How would I solve this equation?
Assoli18 [71]
2(7/2)^x = 49/2

Divide both sides by 2:

(7/2)^x = 49/4

I notice that 49/4 can be rewritten as (7/2)^2, so we now have:

(7/2)^x = (7/2)^2

The only way for this to be true is if x = 2.  Thus, we are done.

6 0
3 years ago
The diagram shows a triangle.<br> 20s<br> 20s<br> 20s<br> What is the value of s?
Darina [25.2K]

Answer: I’m assuming that these are Angle measures. S=3

Step-by-step explanation:

180/3=60

20*3=60

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3 0
3 years ago
PLEASE HELP!
beks73 [17]
1 ticket =.5
12=.42
25=.40
50=.5
120=.42
I would suggest that they constantly lower the rate per ticket as the number  of tickets increases so for example
1t=.5/ticket
12t=.42/ticket
25t=.38/ticket
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8 0
2 years ago
!!!HELP AS SOON AS POSSIBLE!!!<br><br> Simplify: -2/9 divided by 3 1/4
ohaa [14]
<h3>Answer: the fraction -8/117</h3>

----------------

First, convert to an improper fraction

3 & 1/4 = 3 + (1/4)

3 & 1/4 = (12/4) + (1/4)

3 & 1/4 = 13/4

The mixed number 3&1/4 turns into the improper fraction 13/4

---------------

-2/9 divided by (3&1/4) = -2/9 divided by 13/4

To divide two fractions, you flip the second one and then you multiply

"-2/9 divided by 13/4" turns into "-2/9 times 4/13" after this happens

Then you multiply straight across. The numerators stick together. The denominators stick together.

numerators: -2*4 = -8

denominators: 9*13 = 117

We end up with the fraction -8/117

This cannot be reduced as there are no common factors (other than 1) between 8 and 117.

6 0
3 years ago
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