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arsen [322]
3 years ago
10

Please help me answer the question in the picture

Mathematics
1 answer:
zvonat [6]3 years ago
5 0

Answer:

D. Y <u><</u> 2x - 1

Step-by-step explanation:

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Solve the system of equation please help , I would greatly appreciate it
xz_007 [3.2K]

Answer: Your answer is going to be D. (10, -1)


Step-by-step explanation:

Starting off the equation you want to get rid of either x or y ( I did x first)

Take x+3y=7 and multiply the entire equation by -2 -- -2(x+3y=7)

You get -2x-6y=-14 and then add the two equations together

-2x-6y=-14

2x-4y=24  -- You get -10y = 10

y = -1

You can take the -1 and plug it back into either equation.. ( I did x+3y=7)

x+3(-1)=7 -- x-3=7 -- Add the 3 to get the 10 ( x = 10 )

So you have x = 10 & y = -1

(10,-1)




4 0
3 years ago
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Which of the following can be used to prove that the slope of a line is the same between any two points that lie on a line? the
OverLord2011 [107]

Answer:

the hypotenuse of similar right triangles


7 0
3 years ago
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Which is smaller half of 36 or one seventh of 42
lyudmila [28]
1/7 of 42 is smaller. 47/7= 6 < 18 = 36/2
4 0
3 years ago
Hence solve the equation x^3+x^2-6x=0<br>​
Aneli [31]

<em>Answer:</em>

<em />

<em>x³ + x² - 6x = 0</em>

<em>x(x² + x - 6) = 0</em>

<em>x(x² + 3x - 2x - 6) = 0</em>

<em>x[x(x + 3) - 2(x + 3)] = 0</em>

<em>x(x - 2)(x + 3) = 0</em>

<em>x₁ = 0</em>

<em>x - 2 = 0 => x₂ = 2</em>

<em>x + 3 = 0 => x₃ = - 3</em>

4 0
3 years ago
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A map that was created using a scale of 1 inch : 3 miles shows a lake with an area of 18 square inches. what is the actual area
Dmitrij [34]

Answer: The area of the lake is actually 182 square miles 1 inch represents one side 3 miles long the other side is also 3 miles. 3×3=9 square miles. 1 Square Inch on the map represents 9 Square Miles.

Step-by-step explanation: If the area on the map is 18 square inches, and each square inch represents 9 square miles, multiply 18×9=182 to get the area of that big lake.

4 0
3 years ago
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