MATHEMATICS MIDDLE SCHOOL

What is the slope of the line y= 7x - 8?

Answers

Answer 1

Answer: $y=mx+b\n\nslope\ is\ m\n\n\ny=7x-8\n\nslope\ i\n\ m=7$

Answer 2

Answer:

Hello, hope you are having a nice day.

First, let's make sure the equation of our line is written in slope-intercept form.

Slope-Intercept Form looks like this:

y=mx+b

Where

m is the slope of the line

b is the y-intercept (where the graph touches the y-axis)

For this line, 7 is the slope, and -8 is the y-intercept form.

Hope it helps. I am always glad to help. Please ask me if you have any queries.

~An emotional teen who helps others with joy

Good luck.

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Roger wants to have 400 copies of his resume printed. His local print shop charges $21.50 for the first 200 copies and $10 for every 100 additional copies. How much will the 400 copies cost, including a sales tax of 6%? Type numerical answer only.

Answers

Answer:

$43.99

Step-by-step explanation:

400 copies = 200 copies + 100 copies + 100 copies

Price:

200 copies - $21.50

100 additional copies - $10

Total = $21.50+$10+$10=$41.50

Sales tax = 6%

Find 6% of $41.50:

$\$41.50\cdot 0.06=\$2.49$

So, Roger will pay

$\$41.50+\$2.49=\$43.99$

Is 4+9i a complex number

Answers

4+9 $√(-1)$

Yes it is, A complex number is a number expressed as a +bi

Please answer in a step by step explanation

Answers

An open circle means any number except the one in the circle. Here the number in the circle is 3. The arrows go to both sides. This means every number except 3. The answer is c. Which states that every number is included except 3. Basically meaning x is never equal to 3.

A cheese pizza costs $5. Additional toppings cost $1.50 each. Write and graph an equation in two variables that represents the total cost of a pizza. Let tt represent the number of toppings and c represent the total cost of the pizza. An equation in two variables that represents the total cost of a pizza is c=____

Answers

$6.50 I guess, because I added $5 and $1.50 and got $6.50

Simplify each expression by combining like terms.

Answers

Answer:

9. 2a+5 ; 11. 2x+11y+4 ; 13. -a+3b-1 ; 15. (10c^2)-2c+5 ; 17. (5(a^2)(b^2))-(a(b^2))

Step-by-step explanation:

You should group each term with the same variables and then simplify

9. 9a + 8 - 2a - 3 - 5a

=(9a-2a-5a)+(8-3)

= 2a + 5

11. 7x + 2y + 5 - 5x + 9y - 1

= (7x-5x)+(2y+9y)+(5-1)

=2x+11y+4

13. -6+3a-b-4a+4b+5

=(3a-4a)+(-b+4b)+(-6+5)

=-a+3b-1

15. 8c^2 -c+3+2c^2 -c +2

=(8c^2 + 2c^2)+(-c-c)+(3+2)

=(10c^2)-2c+5

17. 6a^2b^2 + 3ab^2 -a^2b^2 -4ab^2

=(6a^2b^2 -a^2b^2)+(3ab^2 -4ab^2)

=(5(a^2)(b^2))-(a(b^2))

How do i solve quadratic equation using the quadratic formula

Answers

Answer:

Step-by-step explanation:

check the example I sent

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