MATHEMATICS MIDDLE SCHOOL

Expand and simplify (x+2)(x+1)

Answers

Answer 1
Answer: So first you would need to FOIL the problem (first-outer-inner-last) so you would multiply x by x and get {x²} then you would multiply x by 1 so you would get just plain {x} then multiply 2 by x so to get {2x} then multiply the last terms 2 and 1 together to get {2} so then put it all together = x² + x + 2x + 2 then you add like terms together so you end up with = x² + 3x + 2 as the answer
Answer 2
Answer: Here, we have to FOIL. 

(x+2)(x+1) = x^2+3x+2

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The cube has a volume of 27 inches. find the volume of a scaled image with a scale factor of 2.

__in3

Answers

Well 3*2 = what   , = 6 , this means that 6 is the new side length of the new scaled figure.
 
V = a * a * a . Where a is the side length ,
 
this means that we now have  V = (6)*3  |   now simplify .

This should equal  216  says most people | you should at lease get 54

I really hope that I helped you out a lot. Have a nice day.

A rectangular prism has a volume of 540, if the length, width and height are all reduced 1/3 the size of the original. What is the new volume?

Answers

Answer:

20 units³

Step-by-step explanation:

Since all dimensions are being reduced by 1/3, that means that the total volume will decrease by 1/3 * 1/3 * 1/3 = 1/27 the size of its original.

That means that the new volume is 1/27 * 540 = 20 units³

Mrs. Payne needs 35 notepads she can buy them in packs of 10 notepads or a single pads what are all the different ways of Mrs. Payne can buy the notepads

Answers

Ok she can buy 1 ten and 25 ones, 2 tens 15 ones, 3 tens 5 ones, and 35 ones. (Pretty sure)
she can by 3 in a 10 pack and by 5 in the one pack

PLEASE HELP FAST! :)( ANSWER IN YOUR OWN WORDS! )
What is the difference between a Civic Duty and a Civic Responsibility? Give examples for each.

Answers

A civic duty is something you should do as a citizen 
-Example: recycling, volunteering at shelters, helping the needy

A civic responsibility is something you do b/c of the fact you're in the country
-Example: Paying taxes
I hope this helps. I got this question before and got it correct so, enjoy <3                      A civic responsibility is something that you should do as a citizen. This can include recycling, voluteering, or help other citizens.                                            A civic duty is something that each citizen owes their nation, whether it's participating in voting, abiding the law, or paying taxes

Are the ratios 2.5:3.5 and 5.7 proportional ?

Answers

Yes, they are proportional, as when you double 2.5, you get 5, and when you double 3.5, you get 7
Hope this helps :) 

Which expression represents the cost of the mulch based on the radius of the circle?

Answers

we have

m(x)=\pi x^(2)-2√(2)x^(2) ---------> equation 1

g(m)=1.50m ---------> equation 2

To represent the cost of the mulch based on the radius of the circle

Substitute equation 1 in equation 2

g(x)=1.50*[\pi x^(2)-2√(2)x^(2)]

therefore

the answer is the first option

1.50*[\pi x^(2)-2√(2)x^(2)]

Answer:

A

Step-by-step explanation:
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