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Alenkinab [10]
3 years ago
10

What is the value of the function at x=−2?

Mathematics
1 answer:
Elza [17]3 years ago
3 0

The value of the function is the Y value where the line crosses the given X value.

When X is at -2, the line is on Y = 3


The answer would be y =3

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15-2x=3x<br> x=<br> please help me
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15-2x=3x
Add 2x to both sides
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Please help <br> Due asap SHOW a workings please
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Answer:

A

Step-by-step explanation:

1) first there are a few rules we need to know:

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b) the difference between any two sides of a triangle is always smaller than the 3rd side;

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triangle 3,4,5 follows all the rules,

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8 0
3 years ago
X= <br><br> Y=<br><br> Z=<br><br> Pls help &gt;^&gt;
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Solve the system of equations. If a system has one unique solution, write the solution set. Otherwise, determine the number of s
Sauron [17]

The value of x, y and z from the system of equation are -1, -8 and 5 respectively.

Data;

  • -2x + 6y + 3z = -31
  • -3y + 7z = 59
  • 2z = 10

<h3>System of Equation</h3>

To solve this problem, we have to solve the system of equation using substitution method.

From equation (iii)

2z = 10\\z = 5

let us substitute the value of z into equation (ii)

-3y + 7z = 59\\z = 5\\-3y + 7(5) = 59\\-3y + 35 = 59\\-3y = 59 - 35\\-3y = 24\\y = -8

Let's substitute the value of x and y into equation (i)

-2x + 6y + 3z = -31\\y = -8, z = 5\\-2x + 6(-8) + 3(5) = -31\\-2x - 48 + 15 = -31\\-2x - 33 = -31\\-2x = -31 + 33\\-2x = 2\\x = -1

From the calculation above, the value of x, y and z are -1, -8 and 5 respectively.

Learn more on system of equations here;

brainly.com/question/14323743

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