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Paul [167]
3 years ago
8

Identify the slope and y-intercept of the linear equation: y = -2x - 4​

Mathematics
2 answers:
Serggg [28]3 years ago
4 0

Answer:

y-intercept: -4

Slope: -2

Step-by-step explanation:

y-intercept:

y= -2x - 4

Substitute x for 0

y= -2*0 - 4

Solve

-4

Slope:

y= -2x - 4

m=slope

-2 or -2/1

Maurinko [17]3 years ago
3 0

Answer:

Slope: -2

Y-intercept: -4

Step-by-step explanation:

Hope this helps. Pls give brainliest.

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1. What is the value of x? Show your work to justify your answer.
Reil [10]

Answer:

x=72 and the exterior angle is 154

Step-by-step explanation:

We will call the unknown angle in the triangle y.  Angle y and the angle (2x +10) form a straight line so they make 180 degrees.

y + 2x+10 =180

Solve for y by subtracting 2x+10 from each side.

y + 2x+10 - (2x+10) =180 - (2x+10)

y = 180-2x-10

y = 170-2x


The three angles of a triangle add to 180 degrees

x+ y+ 82 = 180

x+ (170-2x)+82 = 180

Combine like terms

-x +252=180

Subtract 252 from each side

-x+252-252 = 180-252

-x = -72

Multiply each side by -1

-1*-x = -72*-1

x=72

The exterior angle is 2x+10.  Substitute x=72 into the equation.

2(72)+10

144+10

154


8 0
3 years ago
A rectangle has vertices (8, 6), (4, 6), (8, −4), and (4, −4). What are the coordinates after dilating from the origin by a scal
Mama L [17]

Answer: (12,9), (6,9), (12,-6) and (6,-6)

Step-by-step explanation:

Given: The coordinates of the original rectangle are  (8, 6), (4, 6), (8, −4), and (4, −4).  We know that the coordinates of the image after dilation  from the origin by a scale factor of k is given by:_

(xy)\rightarrow(kx,ky)

Then, the coordinates of the image after dilation from the origin by a scale factor of 1.5 are given by:_

(8, 6)→(8\times1.5,6\times1.5)=(12,9)

(4, 6)→(4\times1.5,6\times1.5)=(6,9)

(8, −4) →(8\times1.5,-4\times1.5)=(12,-6)

(4, −4)→(4\times1.5,-4\times1.5)=(6,-6)

Hence, the coordinates of the image after dilation from the origin by a scale factor of 1.5 are (12,9), (6,9), (12,-6) and (6,-6).

3 0
3 years ago
What is the area of the pool ?
Lostsunrise [7]

Answer:

brainly.com/question/24258518

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
3. When Antoine or Adriane is halfway to the top of the Ferris wheel, what is his or her elevation? (Use the
klemol [59]

Answer:  70

Step-by-step explanation:

Antoine's elevation when he is halfway to the top is 70. You cut the diameter (120) in half which gets you 60 and you add the height of the stand holding the wheel (10) which gets you 70.

3 0
3 years ago
( 1 0 3) + (4 1 7) The first entry of the resulting matrix is:
Mamont248 [21]
Hello!

When adding matrices you add the numbers that are in the same position

1 + 4 = 5

0 + 1 = 1

3 + 7 = 10

The answer is (5 1 10)

Hope this helps!
7 0
3 years ago
Read 2 more answers
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