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GenaCL600 [577]
2 years ago
8

5 root 12 + 4 root 12 - 3 root 18 + 75​

Mathematics
1 answer:
oee [108]2 years ago
7 0

5√12+4√12-3√18+75

5+4√12-3√18+75

9√12-3√9×√2+75

9√12+3√2+75

9√4×3+3√2+75

9×2√3+3√2+75

18√3+3√2+75

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Solve for x. 9x - 18 = 7x + 30
viva [34]

Answer: x = 24

Step-by-step explanation:

9x - 18 = 7x + 30

9x - 7x = 30 + 18

2x = 48

x = 48/2 = 24

3 0
3 years ago
Can you help me please
nasty-shy [4]
I think it’s 32? i dont know good luck
8 0
2 years ago
Find center,foci, and vertices of ellipse (x+3)^2/21+(y-5)^2/25=1
sasho [114]
I don't know if we can find the foci of this ellipse, but we can find the centre and the vertices. First of all, let us state the standard equation of an ellipse. 

(If there is a way to solve for the foci of this ellipse, please let me know! I am learning this stuff currently.) 

\frac{(x-x_{1})^2}{a^2}+ \frac{(y-y_{1})^2}{b^2}=1

Where (x_{1},y_{1}) is the centre of the ellipse. Just by looking at your equation right away, we can tell that the centre of the ellipse is: 

(-3,5)

Now to find the vertices, we must first remember that the vertices of an ellipse are on the major axis. 

The major axis in this case is that of the y-axis. In other words, 

b^2>a^2 

So we know that b=5 from your equation given. The vertices are 5 away from the centre, so we find that the vertices of your ellipse are: 

(-3,10)
 & (-3,0)

I really hope this helped you! (Partially because I spent a lot of time on this lol) 

Sincerely,

~Cam943, Junior Moderator
6 0
3 years ago
What is the answer to -12/-9 is equal to what
Aleksandr [31]
\frac{-12}{-9}=\frac{12}{9}=\frac{12:3}{9:3}=\frac{4}{3}=\frac{3+1}{3}=\frac{3}{3}+\frac{1}{3}=1\frac{1}{3}
3 0
3 years ago
Read 2 more answers
PLZ HELP I NEED HELP REALLY HARD QUESTIONS THANKS SO MUCH!!!!! WILL BE GIVING BRAINLIEST AND FIVE STAR AND THANKS
spin [16.1K]

Answer:

1: 4

2: 2

3: 8

Step-by-step explanation:

7 0
2 years ago
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