MATHEMATICS MIDDLE SCHOOL

Subtracting polynomials
subtracting polynomials - 1

Answers

Answer 1
Answer:

The solution is 10x² + 7x - 1

Step-by-step explanation:

  • Step 1: Subtract -2x² + 3x - 9 from 8x² + 10x - 10

(8x² + 10x - 10) - (-2x² + 3x - 9) = 8x² + 10x - 10 + 2x² - 3x + 9

                                                 = 10x² + 7x - 1
Answer 2
Answer:

Step-by-step explanation:

\huge\bold\purple{ 10x^2+7x-1 }

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Please help. What are the coordinates of the outlier?A. (3, 3)

B. (6, 5)

C. (9, 10)

D. (10, 9)

Answers

the outlier would be 9,10
it differs from the other points. if you graphed out each point 9,10 would not correspond with the other points.

if the ratio of students who prefer doing their homework before school to students who prefer doing homework afterschool is 7:15,what does the ratio 7 over 22 represent?explain.

Answers

the ratio 7:22 represents the ratio of students who prefer doing their homework before school to all students that do their homework

Please Help me! Thanks :)

Answers

A would be a function because x has no repeating numbers

Answer:

Ig A

Step-by-step explanation:

I need help with this

Answers

With what? Nothing is showing up?

Show your work pleasejohn wants to know the square footage of his living room in order to lay new hardwood floors. The living room has vertices at the coordinates (1,5) (11,3) (3,15) (13,13). If each unit one the coordinate plane is one square unit, then how many square feet of flooring must john buy in order to cover his entire living room?

extension questions:
1) john wants to buy 10% more flooring than his room requires to account for errors. If boxes of flooring cover 20 square feet, how many boxes will john need in order to account for errors in measurement?
2) if hardwood flooring costs $3.98 per square foot, what will it cost john to put new floors in his living room?

Answers

1) would be 2 boxes because the room is 25 ft²
2) $99.50 if you do 25 x 3.98, or if they want 40 x 3.98 it would be $159.20

Is 4/16;0.25 equivalent numbers

Answers

Yes, because 4/16 is equal to 1/4 and 1/4 is equal to 0.25
4/16=1/4
0.25=1/4
THESE ARE EQUIVALENT!!!!!!!!
Hope this helps!!! :D
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