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VARVARA [1.3K]
4 years ago
8

Will mark brainliest answer !! Please answer!!

Mathematics
1 answer:
maksim [4K]4 years ago
5 0

Answer:

-14x^2

Step-by-step explanation:

Area is (7x^2)(-14x)

Area is length times width. Length in this case is 7x. Factoring out 7x gives you -14x^2.

Area = (7x)(x)(-14x)

(x)(-14x)= -14x^2

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Answer number 14. It’s very difficult for me and i need some help.
professor190 [17]

Answer:

1201.2 in (100.1ft)

Step-by-step explanation:

A scale model represents a ratio. All sides must be shrunk or increased based on a constant value. In this case the ratio of the model is 1/13 the size of the original giving us a 1:13 ratio. So each side of your scale model must be multiplied by 13 to find the real value of the side.

First convert all units to inches then divide the width of the real windmill by the width of the scale model (both in inches) you will see the answer is 13. Multiply the inch values of all sides of your model by 13 and this gives you the proportional value of each side of the real windmill in relation to the scale model.

5 0
3 years ago
PLZ help I don't understand!!!!
WITCHER [35]

Answer:

5

Step-by-step explanation:

7 0
3 years ago
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Sidana [21]

Answer:

- 0.83

Step-by-step explanation:

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6 0
2 years ago
Number 6 please help me
swat32
I am pretty sure it is 39 but I am not exactly sure. You might want someone else to solve this too. I did 27*.45=12.15 then I did 12.15+27=39.15 then I rounded the answer to the nearest whole number.

I hope this helped you:)
3 0
3 years ago
Read 2 more answers
∫ (1-sin²3t)cos3t du
Schach [20]

Substitute y=\sin3t, so that \mathrm dy=3\cos3t\,\mathrm dt (not \mathrm du!). Then

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3 0
3 years ago
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