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Alecsey [184]
3 years ago
15

2x+2y= 24 x=3y What is the value of x+y? I WILL MARK BRAINLIEST AND GIVE 20 POINTS.

Mathematics
1 answer:
Ivanshal [37]3 years ago
3 0
Since this is a system of equations, substitute the value of x into the other equation.

2(3y)+2y=24
6y+2y=24
8y=24
y=3

x=3(3)
x=9

To check my work, substitute my x and y values:
2(9)+2(3)=24
18+6=24
24=24

Your answer is (3,9)

Hope this helps! Have a wonderful day :)
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To conduct an experiment, researches randomly select six students from a class of 20. How many different groups of six students
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Indicate in standard form the equation of the line passing through the given points G (4,6) H (1,5)
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First, find the slope (m) = \frac{y2 - y1}{x2 - x1} = \frac{5 - 6}{1 - 4} = \frac{-1}{-3} = \frac{1}{3}

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4 0
4 years ago
Find the value of this expression if x = 3<br> and y = -1.<br> xy²<br> 5
kap26 [50]

Answer:

<h2><em><u>0.6 = 6/10 = 3/5 is the answer.</u></em></h2>

Step-by-step explanation:

0.6 = 6/10 = 3/5

is the answer

This is because you have to substitute.

Given:

x = 3

y = -1

Unknown:

Final Answer

(x*y^2)/5

((3)(-1*-1)/5

= (3*1)/5

<h2><em><u>= 3/5</u></em></h2><h2><em><u>= 6/10</u></em></h2><h2><em><u>= 0.6</u></em></h2><h2><em><u></u></em></h2>

Hope this helped,

Kavitha

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4 years ago
What is the slope of PV?
vagabundo [1.1K]
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5 0
3 years ago
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