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GaryK [48]
3 years ago
6

Help me pleaseeeeeeee

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0

Answer:

10

Step-by-step explanation:

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Six students are working to simplify the expression shown.
neonofarm [45]

Answer:

it's going to be

-8x^2+14x^2+4y+y-5-1=

6x^2+5y-6

Step-by-step explanation:

hope this is what u are looking for

have a nice day

4 0
3 years ago
I'm really stuck on this math problem. I never learned this in school. Can someone please help me out? Thank you
romanna [79]
Hehe, these are fun to do. There are two ways to do this kind of problem. You can use the pythagorean theorem or we can use the distance formula.
Distance formula:
d= \sqrt{(x2-x1)^2+(y2-y1)^2}

Pythagorean Theorem:
a^2+b^2=c^2

Distance formula is better if you're finding distance between two coordinates. The Pythagorean Theorem only really works for independent values. If I had 2 sides of a triangle, and I needed to find the third, I'd use this equation to find it. In this case, we'll use the distance formula.

I'll work the first one out for you:
 x1   y1     x2  y2  
(3,   2) & (7,   4)

d= \sqrt{(7-3)^2+(4-2)^2}
                           v
d= \sqrt{(4)^2+(2)^2}
                           v
d= \sqrt{(16+4}
                           v
d= \sqrt{20}

There's your answer!

<em>
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<em>I spent a lot of time making this answer to help you. Please rate it Brainliest!</em>


7 0
3 years ago
If the number of users tripled every year since 2001, and there were 3 million users in 2005, how many were there in 2004?
otez555 [7]
Divid it by three and you should get it
4 0
3 years ago
7 - 9x - 15 + 12x HELPPPP
Gekata [30.6K]

Simplify. Combine like terms

12x - 9x = 3x

7 - 15 = -8

3x - 8 is your answer

hope this helps

5 0
3 years ago
Read 2 more answers
A cylindrical pressure vessel has a height of 9 feet and a diameter of 6 feet. How much gas can the pressure vessel hold when fu
notka56 [123]

since the diameter of the base of the cylinder is 6 feet, then its radius is half that, or 3 feet.


\bf \textit{volume of a cylinder}\\\\&#10;V=\pi r^2 h~~&#10;\begin{cases}&#10;r=radius\\&#10;h=height\\[-0.5em]&#10;\hrulefill\\&#10;r=3\\&#10;h=9&#10;\end{cases}\implies V=\pi (3)^2(9)\implies V=81\pi

5 0
3 years ago
Read 2 more answers
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