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3 years ago

Help me with a question?

Mathematics

1 answer:

kherson [118]3 years ago

7 0

Answer:

Step-by-step explanation:

y = mx + b

The slope is m.

If it was anything other than 0, the line would have an x in it. The line does not have an x associated with it.

The equation of the line is y = 1

The slope must be 0.

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This table models a linear function. x −8 −4 4 8 y −3 0 6 9 Enter the coordinates of the y-intercept in the boxes.

adell [148]

Answer:

y-intercept is 3

Step-by-step explanation:

We are given table

x: -8 -4 4 8

y: -3 0 6 9

We can select any two points

$x_1=-8,y_1=-3$

$x_2=-4,y_2=0$

Firstly, we will find slope

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug values

$m=\frac{0+3}{-4+8}$

$m=\frac{3}{4}\quad$

now, we can use point slope form of line

$y-y_1=m(x-x_1)$

we can plug values

$y+3=\frac{3}{4}(x+8)$

now, we can solve for y

$y=\frac{3}{4}x+3$

For finding y-intercept , we can plug x=0

$y=\frac{3}{4}\times 0+3$

$y=0+3$

$y=3$

So,

y-intercept is 3

8 0

3 years ago

The value of y is directly proportional to the value of x. Given y = 12 when x = 36.

Ahat [919]

Answer:

y = 20

Step-by-step explanation:

The problem states that y = 12 when x = 36. 36/12 is 3. This means that y is a third of what x is. This would mean that if x = 60, y would be a third of 60 which is 20 since 60/3 is 20.

5 0

3 years ago

Suppose Meagan would like to know when the costs are equal between the two companies. a) Write an equation that shows the costs

nadezda [96]

Let number of miles be x

when is 
.5x + 25 = .25x + 30 
times 4 
2x + 100 = x + 120 
x = 20

4 0

3 years ago

Which of these numbers is between 1 and 3/4 ?

harina [27]

The fraction seven over eight equals to .875, being in between 1 and 3/4

Hope this helped!!!

8 0

3 years ago

Read 2 more answers

Divide x^5+4x+1 by x+1

koban [17]

Step-by-step explanation:

factor the numerator and denominator and then cancel the common factors
ans x⁴ +4 + 1/x

7 0

3 years ago