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Arlecino [84]
3 years ago
11

Can anyone help me ?

Mathematics
1 answer:
Eva8 [605]3 years ago
3 0
The answer is right
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Solve the simultaneous equation<br>x2+y2= 26<br>X - Y = 4<br>​
gayaneshka [121]
The answer is X=1, y=5. X=-5 y=-1
5 0
3 years ago
What are the solutions of the quadratic equation 4x^2-8x-12=0
Wewaii [24]

Answer:

<h3>          x₁ = -1,   x₂ = 3</h3>

Step-by-step explanation:

4x^2-8x-12=0\\{}\qquad\qquad^{\div4\qquad\div4}\\x^2-2x-3=0\\\\x^2+x-3x-3=0\\\\x(x+1)-3(x+1)=0\\\\(x+1)(x-3)=0\\\\x+1=0\quad\vee\quad x-3=0\\\\x=-1\quad\vee\quad x=3

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3 years ago
Two variables are correlated with r = -0.23. Which description best describes the strength and direction of the association betw
tatuchka [14]
Answer is C weak negavite


weak, because as the value became smaller that 1 the correlation weakens. negavite because it is a negative value (-0.23)
3 0
3 years ago
Find the measures of the angles of a triangle of the measure of one angle is three times the measure of a second angle and the t
Vinil7 [7]

Answer:

hii

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Step-by-step explanation:

x+3x+5x-90=180

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5 0
3 years ago
What is the solution to the system of equations? -2x + y = -5 3x – 2y = 12 A) (3, 1) B) (6, 3) C) (-2, -9) D) (-2, -1)
max2010maxim [7]

Answer:

The correct answer is D) (-2, -1)

Step-by-step explanation:

In order to solve this system of equations, start by multiplying the entire first equation by 2. Then add the two equations together. This will get the y's to cancel and allow you to solve for x.

-4x + 2y = -10

3x - 2y = 12

---------------------

-x = 2

x = -2

Now that we have the value for x, we can find y by plugging the x value into either equation.

-2x + y = -5

-2(2) + y = -5

-4 + y = -5

y = -1

6 0
3 years ago
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