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Ray Of Light [21]
2 years ago
7

Find the sum of -10x^2-x+6−10x 2 −x+6 and 10x^2-510x 2 −5.

Mathematics
2 answers:
irina [24]2 years ago
8 0

Answer:

1. -10x^2-x+6-10x 2-x+6 = -10x^2 - 22x + 12

2. 10x^2-510x 2-5 = 10x^2 - 1020x - 5

Step-by-step explanation:

hope this helps

if i did something wrong let me know so i can fix my answer

#Virgo2007

Lunna [17]2 years ago
8 0

Answer:

<h2>-2x -1033</h2>

Step-by-step explanation:

(-10x^2-x+6−10x 2 −x+6) + (10x^2-510x 2 −5)

= -10x^2-2x-8+10x^2-1025

= -2x - 1033

correct me if I'm wrong

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A sphere and a cylinder have the same radius and height. The volume of the cylinder is 48 cm³.
Taya2010 [7]

Answer:

32 cm³

Step-by-step explanation:

Volume of a sphere is:

V_{s}=\frac{4}{3}\pi r^{3}

Volume of a cylinder is:

V_{c} = \pi r^{2} h

The volume of the cylinder is 48 cm³.

The cylinder has the same radius (r) and height (2r) as the sphere.

48 = \pi r^{2} (2r)\\48 = 2\pi r^{3}\\24 = \pi r^{3}

Therefore, the volume of the sphere is:

V_{s}=\frac{4}{3} (24)\\V_{s}=32

7 0
2 years ago
Which number is bigger 2/3 or 66%
Elis [28]
2/3 of a number is greater than 66% of a number
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2 years ago
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Jordana wrote the equation for a linear relationship as y = -8x-4. For what value of x is y equal to -16
lapo4ka [179]
So our two equations are y=-8x-4 and y=-16, and since in both equations, something equals the same y, those two are the same. So we can combine the two into -16=-8x-4. In the question, they are asking to solve for x. So to do that, you need to isolate your variable. Now for solving algebraic equations, you use reverse PEMDAS (SADMEP), meaning you add 4 to both sides to clear the -4 one the rights side to get -12=-8x. Then you divide both sides by -8 to get 12/8, which simplifies to 3/2. 
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2 years ago
Is it 7^12 not so sure ._.
Alekssandra [29.7K]
You are correct, it is.
6 0
3 years ago
I WILL MAKE YOU THE REAL BRAINLIEST
Y_Kistochka [10]
No such thing ,But what you can do is is go on Cymath and it will help you solve it
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