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maria [59]
3 years ago
15

10 POINTS!!!

Mathematics
2 answers:
Zolol [24]3 years ago
4 0

Answer:

○ 2x³ + 6x²

Step-by-step explanation:

You multiply the height of <em>2x</em><em> </em>by x² + 3x.

I can help whenever I can.

WINSTONCH [101]3 years ago
3 0

Answer:

2x^3 + 6x^2

Step-by-step explanation:

Volumen = area * height

You already had the area which is:

x^2 + 3x

and the heigth is 2x

Volumen = (x^2 + 3x)* 2x

Volumen = 2x^3 + 6x^2

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Tatiana [17]
10% as a decimal is 0.10


Hope this helps!
5 0
3 years ago
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Find the sum of the decimal models.
Kruka [31]
8.3 is the decimal for the first model and for the second model it is 4.8. Now you just need to add them and you should get 13.1 as your answer. If helped mark me the brainiest!!
5 0
3 years ago
Evaluate the expression for x=5, y=-3 and z=7<br> x + y + z
Nikitich [7]

Answer:

5

Step-by-step explanation:

(Refer to image)

Replace the numbers with the variables and solve using order of operations

6 0
3 years ago
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Need help with number 6
12345 [234]

Answer: 172

Explanation:

<u>Mystery</u>          <u>Science Fiction</u>          <u>Biographies</u>

   4x                  3x

                                       4y                       5y

Science Fiction = 48

3x = 48      ⇒    x  = 16          

4y = 48      ⇒     y  = 12


Mystery: 4x   = 4(16)   = 64

Biographies: 5y   = 5(12)   = 60


Mystery + Science Fiction + Biographies = Total

     64     +          48            +         60        = Total

                                                         172    = Total

5 0
3 years ago
PLEASEEEEE HELPPPP BEST ANSWER WILL GET BRAINLIEST LESTSSS GOOO.
defon

Answer:

9n+13

Step-by-step explanation:

The perimeter is adding the entire pentagon together, so 2n+2n+(n+5)+(n+5)+(3n+3). When you combine like terms, it becomes 9n+13.

8 0
2 years ago
Read 2 more answers
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