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IRINA_888 [86]
3 years ago
7

)The equation of the line of best fit of a scatter plot is y = −4x − 6. What is the the y-intercept?

Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0
Well the y-intercept is where a line crosses the y-axis 
y=-4x-6
think of it as y=mx+b
m is always going to be your slope 
b is always going to be your y-intercept
y-intercept of y=-4x-6
is -6


tino4ka555 [31]3 years ago
7 0
First of all, to make this problems more clearly. I will use slope-intercept form in this case which is
y=mx+b where m represent slope and b represent y-intercept
Then, we analyze the same to y=-4x-6
m=-5
y=-6 or y-intercept=-6. As a result, the y-intercept is -6. Hope it help!
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Please help and show your work ( no links or files) plz
mr_godi [17]

Answer:

Step-by-step explanation:

Use the formula for the area of a triangle,

Area of a triangle = \frac{1}{2}(\text{Base})(\text{Height})

7). Area of the triangle = \frac{1}{2}(20)(7.4)

                                       = 74 km²

8). Area of the triangle = \frac{1}{2}(4)(15.4)

                                     = 30.8 cm²

9). Area of the triangle = \frac{1}{2}(16)(7)

                                      = 56 m²

10). Area of the triangle = \frac{1}{2}(11)(7.7)

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5 0
3 years ago
It takes Engineer Kweku three hours to drive to his brother’s house at an average speed of 50 miles per hour. If He takes the sa
11Alexandr11 [23.1K]

Answer:

  2.5 hours

Step-by-step explanation:

The product of speed and time is distance. If the distance is the same, then time is inversely proportional to speed. At 60/50 = 6/5 times the speed, the return trip will take 5/6 times the time:

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5 0
3 years ago
Number 28 ignore the bubbled in answer
Ghella [55]

Answer:

y = -7x+34

Step-by-step explanation:

We have 2 points, so we can find the slope

m = (y2-y1)/(x2-x1)

    = (6--1)/(4-5)

    = (6+1)/(4-5)

     = 7/-1

    = -7

We can use point slope form to make an equation

y-y1 = m(x-x1)

y--1 = -7(x-5)

y+1 = -7(x-5)

Distribute

y+1 = -7x+35

Subtract 1 from each side

y+1-1 = -7x+35-1

y = -7x+34

3 0
3 years ago
Please help me;
Shtirlitz [24]
V=10×28×50=14000
Answer B) 14000 cm³
3 0
3 years ago
Read 2 more answers
What figure is a dilation of Figure A by a factor of 12 ?
avanturin [10]

Answer:

Choose the figure with side lengths 0.5, 1, 2 and 2.5

Step-by-step explanation:

Similar figures are figures which have the same shape but not the same size. This means their angle measures are equal but their side lengths are not instead they are proportional. They are related by a scale factor. To find the new side lengths of the figure multiply the original side lengths by 1/2.

The sides are 1, 2, 4, and 5.

They become:

1*1/2 = 0.5

2*1/2 = 1

4*1/2 = 2

5*1/2 = 2.5

Choose the figure with these distances.

6 0
3 years ago
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