All categories

3 years ago

Please help 20 points and brainliest

Mathematics

1 answer:

Zanzabum3 years ago

3 0

Answer:

Step-by-step explanation:

a.) Graph the points onto the graph according to the table i created.

b.) 2x + y = -3

+2x +2x

y = 2x - 3

She is incorrect. The correct linear equation is y = -2x - 3

You might be interested in

Which of the following expressions is equal to P/17

tiny-mole [99]

Answer:

a and b would work in my opinion because it doesn't say in which specific order.

4 0

2 years ago

Read 2 more answers

A study of telephones and the risk of brain cancer looked at a group of 469 people who have brain cancer. The investigators matc

Svetlanka [38]

This is an A. observational study. They are observing the use of cell phones differs between people with or without cancer.

Happy studying ^-^

8 0

3 years ago

1000 divided by1000 is just 1

ladessa [460]

Answer:

Yes.

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Please help me with these two questions, 10 points for each so in total 20!!

saul85 [17]

Answer:

$\large\boxed{Q2.\qquad C.\ -2x+y=-2}\\\boxed{Q4.\qquad C.\ y=3x+12}$

Step-by-step explanation:

Q2:

The point-slope form of an equation of a line:

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

m - slope

The formula of a slope:

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

We have the points (4, 6) and (6, 10). Substitute:

$m=\dfrac{10-6}{6-4}=\dfrac{4}{2}=2$

$y-6=2(x-4)$ use distributive property

$y-6=2x-8$ add 6 to both sides

$y=2x-2$ subteact 2 from both sides

$-2x+y=-2$

Q4:

The slope-intercept form of an equation of a line:

$y=mx+b$

m - slope

b - y-intercept

Put the slope m = 3 and the coordinateso f the point (-2, 6) to the point-slope form of an equation of a line:

$y-6=3(x-(-2))$

$y-6=3(x+2)$ use distributive property

$y-6=3x+6$ add 6 to both sides

$y=3x+12$

4 0

2 years ago

What is the y coordinate of the point that divides the

svet-max [94.6K]

Answer:

the y coordinate is 5

Step-by-step explanation:

In the figure attached, the directed line segment is shown.

J is located at (-3, 1) and K is located at (-8, 11)

run: x2 -x1 = -8 - (-3) = -5

rise: y2 - y1 = 11 - 1 = 10

Taking J as reference, the coordinate of the point that divides the directed line segment from J to k into a ratio of 2:3 is:

c = 2/(2+3) = 0.4

(x1 + c*run, y1 + c*rise)

(-3 + 0.4*-5, 1+0.4*10)

(-5, 5)

6 0

3 years ago