How does y=mx+c work

Answers

Answer 1

Answer: Ok so, y = mx + c is the equation of a line
When a graph is written in this form, m is the slope/gradient and c is the y - intercept.
This form is needed when a question asks for the equation.
Lets say they give 2 sets of coordinates, we can use the point slope formula to find the slope (m)

point slope formula:
(y₂ - y₁) = m(x₂ - x₁)

Then we substitute any of the two set of coordinates to find c, the y - intercept.

So the line has a gradient of m and y - intercept of c

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HELP ME YOULL GET 25 POINTS!!!!!!!!

Help I don’t understand this ‍♀️

Answers

Hello there!
Point A is (-4,2)
Point B is (3,5)
Point C is (-2,-4)
Point D is (-3,1)
Point E is (0,-2)

To answer these questions, all you have to do is look at the x and y coordinate planes. X is horizontal and Y is vertical.
Point A: (-4,2)
Point B: (3,5)
Point C: (-2,-4)
Point D: (-3,1)
Point E: (0,-2)

A spinner is divided into many sections of equal size. Some sections are red, some are blue, and the remaining are green. The probability of the arrow landing on a section colored red is 11 over 20. The probability of the arrow landing on a section colored blue is 6 over 20. What is the probability of the arrow landing on a green-colored section? 6 over 20 3 over 20 9 over 20 17 over 20

Answers

We have 3 sections.

$\sf~Red=(11)/(20)$

$\sf~Blue=(6)/(20)$

So the entire spinner is divided into $\sf20$ sections.

Since we only have 3 sections(red, blue, green) we can add red and blue, and subtract 1 or 20/20.

$\sf(11)/(20)+(6)/(20)\rightarrow(11+6)/(20)\rightarrow(17)/(20)$

Subtract:

$\sf(20)/(20)-(17)/(20)=\boxed{\sf(3)/(20)}$

So the probability that the arrow landing on a green-colored section is $\sf(3)/(20)$ .

Answer:

3 over 20

Step-by-step explanation:

The cafeteria has 75 tables and 912 chairs. What is the total number of tables and chairs?

Answers

you add 75 and 912 together and the answer is 987

75+912= 987
hope it helps

100 T-shirts printed for $428.00

Answers

just divide 428.00 by 100 you will get $4.28 each t shirt

Find the final price on a $1,049 televisionthat is on sale for 12% off of the sales tax is
4.5%

Answers

Answer:

$883.40

Step-by-step explanation:

Calculate the amount of money needed to pay after the discount.n

$1049 × 88% = $923.12

Calculate the amount of money needed to pay after the tax.

$923.12 × 104.5% = $883.3684210526

=$883.40(rounded off to nearest cents)

hope this helps

What is the number 82,500 written in scientific notation?

Answers

Answer:

this is written as 8.25 x 104 in scientific notation?

Step-by-step explanation:

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Mr. Cohen drives 84 2/10 miles on Tuesday, 84 6/10 on Wednesday, and 85 miles on Thursday. What is the rule of the distance he drives each day? Show how you can check your answer.

Six Fifths of what number is 60??