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balu736 [363]
3 years ago
7

Please help me with 10 and 11

Mathematics
1 answer:
Gelneren [198K]3 years ago
5 0

Answer:

10. 2x+y

11. x^2-15x+3

Step-by-step explanation:

10. when u add 7x+3y and 4x+4y you will get 11x+7y. 13x+8y minus 11x+7y will be 2x+y

11. when u add 3x^2+7x+1 and x^2-x+1 u will get 4x^2+6x+2. 5x^2-9x+5 minus 4x^2+6x+2 will be x^2-15x+3

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Put these numbers in order from greatest to least.
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Answer:

I hope this helps

Step-by-step explanation:

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The hypotenuse of a 45 45 90 triangle measures 24 inches. what is the length of one leg of the triangle?
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Answer:

12\sqrt{2}\ in

Step-by-step explanation:

we know that

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What is the height of the cone if its volune is 8,138.88 feet CUBED? Use 3.14 for pi. (Radius of base of cone is 12 ft)
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h = 54 feet

Step-by-step explanation:

The equation for the volume of a cone is V = \frac{1}{3} × π × r² × h.

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After you multiply everything on the right side, you come out with:

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To find h, you can divide each side by 150.72.

8,138.88 ÷ 150.72 = 54 feet!

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