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dmitriy555 [2]
2 years ago
15

Two geometry questions, please help.

Mathematics
1 answer:
Elina [12.6K]2 years ago
5 0

???????????????????? no se wey

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Suppose you know that the volume of the following prism is represent by V(x) = -2x^3 + 14x^2 + 120x.
erastova [34]

Step-by-step explanation:

-2x³ + 14x² + 120x

= -2x(x² - 7x - 60)

= -2x(x - 12)(x + 5).

The other 2 dimensions are -2x and (x + 5).

When using a graphing calculator to maximise the volume of the prism, we get x = 7.378. However this value is not reasonable as it makes -2x and (x - 12) negative, which are the sides of the prism.

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3 years ago
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Step-by-step explanation:

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3 years ago
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Darren can get to work in 30 minutes. the speed limit is 35 mph, but there are three stop lights. with the traffic and lights, h
Radda [10]
To solve this problem you must apply the proccedure shown below:
 1. You have that Darren can get to work in 30 minutes and <span>with the traffic and lights, he can average </span>30 mph<span>.Therefore, you must apply the formula for calculate the distance, which is:
 </span>d=Vt&#10;<span>
 Where </span>V<span> is the speed and </span>t&#10;<span> is the time.
 2. The time in hours is:
 </span>30 min=1/2 h&#10;<span>
 3. Substituying values, you have:
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3 0
3 years ago
(-23, – 8) and (722 -8)
Andre45 [30]

-51 and 714

Step-by-step explanation:

-23-38=-51

722-8=714

7 0
3 years ago
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Ymorist [56]

Answer:

A

Step-by-step explanation:

If Tim only has $25, then he can't buy anything past $25.

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2 years ago
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