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Drupady [299]
2 years ago
14

What is the surface area of this composite solid? Show your work.

Mathematics
1 answer:
Inga [223]2 years ago
4 0

Answer:

357.5ft^3

Step-by-step explanation:

solve for bottom reticular prism

8 * 10 * 4

320ft^3

solve for top triangular prism

((3*5)/2)*5

37.5ft^3

add top and bottom  

320+37.5

357.5ft^3

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3 years ago
Jermaine wants to know how fast he is traveling in a school bus, but he cannot see the speedometer. He records that the bus trav
Advocard [28]
<h3>Answer:</h3>

48 mph

<h3>Explanation:</h3>

The rate in miles per second can be converted to the rate in miles per hour by multiplying by the number of seconds in an hour:

\dfrac{1\,mi}{75\,s}\cdot\dfrac{3600\,s}{1\,h}=\dfrac{3600\,mi}{75\,h}=48\,mi/h

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3 years ago
Me.Durham is contemplating which chauffeured car service to the airport. The first costs $30 up front and $3 per kilometer. The
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Answer: 45 dollars and it was a distance of 5 kilometers

Step-by-step explanation: What i did was start with 30, then keep adding 3 till i got the a multiple of 5.

30 + 3 = 33

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39 + 3 = 42

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So already i know that it is 5 kilometers, because i added 3 to 30 five times.

No i will do that with the second company

20 + 5 = 25

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35 + 5 =  40

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That is also 5 kilometers, because i added 5 to 20 five times. I also know they are the same price, because they both added to 45 dollars.

Thats how i solved it.

I really hope that helps!

8 0
3 years ago
Marissa has a wool rug that has the shape of a regular octagon in her living room. The diameter of the incircle of the rug measu
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We know that the diameter of the inner circle (d) and the side of a regular octagon (s) are tied by the formula:

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The inverse formula is:

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Plugging in numbers:
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Therefore the correct answer is A) <span>2.9 feet</span>
7 0
3 years ago
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Step-by-step explanation:

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