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3 years ago

Write the equation of the line that passes through the points (-2,1) and (0,8)

Mathematics

2 answers:

Sergio039 [100]3 years ago

3 0

Free points o know I’m an a hole

Harrizon [31]3 years ago

3 0

Answer:

The equation of the line is y = 7/2x + 8

Step-by-step explanation:

The equation of the line is in the form y = mx + b, where m is the slope and b is the y-intercept. To find m, you just have to subtract the two points from each other.

$\frac{8 - 1}{0 - (-2)}$ = 7/2

The y - intercept always has an x-value of 0, so the y-intercept would be 8.

So, the equation is y = 7/2x + 8

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Of 250 seventh grade students, 130 walk to school. What percent of seventh graders do not walk to school? % of seventh graders d

Bad White [126]

Answer:

48%

Step-by-step explanation:

I like to look at percentages as test grades. If you got a 130/250 on a test, you would simply need to view the dash line as a 'divided by'. So you would figure 130 divided by 250 is .52, or 52%... Then, you would need to subtract 52 from 100 to get 48% to get the percentage of people who do not walk to school.

7 0

2 years ago

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Harman [31]

here we have 3X to 5 seventh power in radical form

$3x^{5/7}$

we need write this in radical form we knwo that $x^{1/2} =\sqrt{x}$

so $3x^{5/7} =\sqrt[7]{3x^{5}}$

this will be the radical form .

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3 years ago

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Evaluate the expression 15x + 4 for x = -1 1/2

olga_2 [115]

Answer:

18.5

Step-by-step explanation:

First we plug in the number

-1 1/2 is the same as -1.5

Plugging this in we will have:

15(-1.5) + 4 =

-22.5 + 4 =

-18.5

5 0

2 years ago

51/5=? In long division

valentina_108 [34]

Answer: 10.2

I hope that this helps! :3

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3 years ago

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PLEASE HELP ME ILL GIVE BRAINLIEST SELECT ALL THAT APLY!!!!!!!!!!!!!!!!!!!!!!!

fenix001 [56]

$y\cdot \:2\frac{1}{2} =$ $2\frac{1}{2}=\frac{2\cdot 2+1}{2}=\frac{5}{2}$ $=\frac{5y}{2}$

a) $2y+\frac{1}{2}=\frac{4y+1}{2}$

b) $2y+\frac{1}{2}y=\frac{5y}{2}$

<h3><em>So b) is the expression that is equivallent.</em></h3><h3><em></em></h3><h3><em></em></h3><h3><em>Hope I helped you!</em></h3><h3><em>Success!</em></h3>

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2 years ago