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kvv77 [185]
3 years ago
12

Find the solution to the system of equations.

Mathematics
1 answer:
N76 [4]3 years ago
5 0

Answer:

x = -2, y = 5.

Step-by-step explanation:

y=−4x−3

y=−2x+1

Because y is common to both left sides:

-4x - 3 = -2x + 1

-4x + 2x = 1 + 3

-2x = 4

x = 4/-2

x = -2.

So y = -4(-2) - 3

= 8 - 3

= 5 .

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Can any one give me a fast answer please I need help
icang [17]

Answer:

C = n + 2

Step-by-step explanation:

Well looking at the line on the graph we can see that the y intercept is 2 because the y intercept is the point in the line that touches the y axis.

And the slope is how fat away each points are from each other on a line so we can find the slope by using two points on the line, we can use (1,3) and (2,4).

So we set up the formula like this \frac{y^2-y^1}{x^2-x^1}.

And now we gotta plug in the numbers and solve so the answer is 4-3 = 1 and 2-1 = 1 so the slope is 1.

And we can’t write that as just n.

So the answer is C = n + 2.

For proof look at the image below.

5 0
3 years ago
Y=2x^2+12x+14 in vertex form
balandron [24]

Answer:

y = 2(x + 3)² - 4

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Using the method of completing the square

y = 2x² + 12x + 14 ← factor out 2 from the first 2 terms

  = 2(x² + 6x) + 14

To complete the square

add/subtract ( half the coefficient of the x- term)² to x² + 6x

y = 2(x² + 2(3)x + 9 - 9 ) + 14

  = 2(x + 3)² - 18 + 14

  = 2(x + 3)² - 4 ← in vertex form

4 0
3 years ago
The nth term of a sequence is 3n2/2
AlekseyPX

Answer:17th term I think

Step-by-step explanation:

6 0
3 years ago
Is the following an algebraic expression: 18r + (r ÷ 8) - 13
avanturin [10]

Answer:

nah

Step-by-step explanation:

4 0
3 years ago
Least common multiple of 6 and 8
miskamm [114]

Answer:

8={8,16,24,32,40}

6={6,12,18,24,33}

so the least common multiple is 24

3 0
2 years ago
Read 2 more answers
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