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Sever21 [200]
3 years ago
5

DONE BY 3:40 What is the greatest common factor of 60, 84 and 72?

Mathematics
1 answer:
MAVERICK [17]3 years ago
6 0

Answer:

B

Step-by-step explanation

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If u add 5 to me and then divide by 9,u get 3. What number amI?
STatiana [176]
You are 22. If you add 22+5 you get 27. And if you divide 27 by 9 you get 3. So it is 22
6 0
3 years ago
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Find x<br><br><br><br><br> Thanks for the help in advance!
Marina86 [1]

I'm not sure if this is the easiest way of doing this, but it surely work.

Let the base of the triangle be AB, and let CH be the height. Just for reference, we have

AH=2,\quad HB=6,\quad AC=x

Moreover, let CH=y and BC=z

Now, AHC, CHB and ABC are all right triangles. If we write the pythagorean theorem for each of them, we have the following system

\begin{cases}4+y^2=x^2\\36+y^2=z^2\\x^2+z^2=64\end{cases}

If we solve the first two equations for y squared, we have

y^2=x^2-4\\y^2=z^2-36

And we can deduce

z^2 = x^2+32

So that the third equation becomes

x^2+x^2+32=64 \iff 2x^2 = 32 \iff x^2=16 \iff x=4

(we can't accept the negative root because negative lengths make no sense)

7 0
3 years ago
The sum of negative eighteen and a number is eleven. What is the number?
Oksanka [162]

Answer:

29

Step-by-step explanation:

-18 (Negative Eighteen) = A

29 (Positive Twenty Nine) = B

11 (Positive Eleven) = C


First, make A positive, and add C to it. You get B.

Now here is the equation:

-18 + (18 + 11)


-18 + (29)


11

5 0
3 years ago
Can someone plz help me with this
iVinArrow [24]

Answer:

option D .....11

Option c 36

7 0
2 years ago
At a Garlic Festival Fun Run, 5/12 of the runners are women. If there are 780 runners, how many are women? How many are men?
irga5000 [103]
455, because if you do 5/12=0.416666..., and then you multiply that to 780 you would get 325, and then you do 780-325 to equal 455.
8 0
3 years ago
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