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Alik [6]
3 years ago
13

Find the solution of the system of equations. –7x – 3y = –20 3х + 6= -15

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0

Answer:

(-7,23)

Step-by-step explanation:

You can use the app photo math

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The equation of a straight line is 3y + 9x -12 =0. Use the equation to find the
Debora [2.8K]

Answer:

-3

Step-by-step explanation:

Divide through the equation by the leading coefficient to obtain:

y+3x-4=0

y=4-3x

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3 years ago
What is the simplified form of x+6 over x+4 + x-3 over 3
Zigmanuir [339]
1 Cancel <span>33</span>
<span>x+\frac{6}{x}+4+x-1<span>x+<span><span>​x</span>​<span>​6</span><span>​​</span></span>+4+x−1</span></span>
2 Collect like terms
<span>(x+x)+\frac{6}{x}+(4-1)<span>(x+x)+<span><span>​x</span>​<span>​6</span><span>​​</span></span>+(4−1)</span></span>
3 Simplify
<span><span>2x+\frac{6}{x}+3<span>2x+<span><span>​x</span>​<span>​6</span><span>​​</span></span>+3</span></span><span>
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7 0
3 years ago
A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 3x. Find the height of t
timurjin [86]
Vcyl = Vcone
pi×x^2×y = 1/3×pi×(3x)^2 (h)
pi's cancel--> x^2•y = 3x^2 (h)
h = y/3
5 0
3 years ago
What is 1/4 divided by 2/5
Marat540 [252]
1/4 divided by 2/5 is 0.025.

If correct please mark Brainliest.
7 0
3 years ago
Read 2 more answers
Help quick marking brainliest <br><br> What is the volume of the pyramid? <br> (check pic)
Nikitich [7]

Answer:

80 m^2

Step-by-step explanation:

The formula is lwh/3. 5*6*8=240   240/3=80

7 0
3 years ago
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