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dybincka [34]
3 years ago
13

A tree casts a shadow 21m long. The angle of elevation of the sun is 51º. What is the height of the tree? Round your answer to t

he nearest tenth.
Mathematics
1 answer:
mestny [16]3 years ago
4 0

Answer:

25.9

Step-by-step explanation:

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The shape below is a composite figure made up of two rectangular prisms, what is the volume of the figure?
gregori [183]

Answer:

<u>11098 cm³</u>

Step-by-step explanation:

<u>Volume of top prism</u>

  • V = 62 x 3 x (13 - 7)
  • V = 186 x 6
  • V = 1116 cm³

<u>Volume of bottom prism</u>

  • V = 62 x 23 x 7
  • V = 1426 x 7
  • V = 9982 cm³

⇒ Total volume = Volume (top) + Volume (bottom)

⇒ Total volume = 1116 + 9982

⇒ Total volume = <u>11098 cm³</u>

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3 years ago
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HELP ASAP! Relations and Functions!!! Giving brainliest!!!
Leviafan [203]

Answer:

Step-by-step explanation:

Neither are a function because they do not pass the vertical line test.

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3 years ago
Select the points you need to calculate the average rate of change from the beginning of the
sammy [17]
It would be the points (0,80) and (15,10)
6 0
4 years ago
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A hair salon charges a fixed rate of $25.00 for a haircut and then an additional $15 for any other services. Write a function to
Taya2010 [7]
Simple,

you have a fixed rate of $25, meaning you get a haircut, it's $25

ANY other service is an extra $15

So, let's make the equation...

y=15x+25

Now, to just get a haircut it's $25.

But, let's say you get a haircut+shampoo

It'd be..

y=15(1)+25

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Another one..

You get a haircut+shampoo+highlight

y=15(3)+25

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And so on, and so forth.
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3 years ago
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Vikentia [17]

Answer:

4

Step-by-step explanation:

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6 0
4 years ago
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