2 years ago

I NEEDS THE HELP RIGHT NOW

Mathematics

1 answer:

leva [86]2 years ago

3 0

Answer:idlk

Step-by-step explanation:

idlk

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What is the result of (x^2 – 10x) – (–5x^2 + x)?

Tanzania [10]

Answer:

$( {x}^{2} - 10x) - ( - 5 {x}^{2} + x) \\ {x}^{2} - 10x + 5 {x}^{2} - x \\ \boxed{6 {x}^{2} - 11x}$

<h3>(6x²-11x) is the right answer.</h3>

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3 years ago

Daniel is completing a home project. He needs 13 pieces of wood, each 112 feet long, to complete the project. How much wood does

snow_lady [41]

13 x 112 = 1456 ft

112 ft x 8 = 896

Only needs 8 pieces

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3 years ago

Find the volume of a pyramid with a square base, where the perimeter of the base is 10.7\text{ ft}10.7 ft and the height of the

Airida [17]

Answer:

$V=23.37\ ft^3$

Step-by-step explanation:

Given that,

The perimeter of the base of pyramid, P = 10.7 ft

The height of the pyramid, h = 9.8 ft

We need to find the volume of the pyramid.

The perimeter of square is given by :

4s = 10.7, s is side

s = 2.675 ft

Now the volume of pyramid is given by :

$V=\dfrac{lbh}{3}\\\\=\dfrac{2.675^2\times 9.8}{3}\\\\V=23.37\ ft^3$

So, the volume of the pyramid is equal to $23.37\ ft^3$ .

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3 years ago

Use the value of the discriminant to determine the type of roots for x²-3x+1=0

nignag [31]

Hi,

Δ = 9 - 4 * 1 * 1 = 5

the roots are :

x1 = (3 - √5) / 2

x2 = (3 + √5) / 2

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3 years ago

What is the sum of 4n² + 2n+ 12

Alex

Answer:

hope this helps <33

Step-by-step explanation:

2(2n^2+n=6)

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3 years ago