MATHEMATICS MIDDLE SCHOOL

Simplify -12x + 5x. answer

Answers

Answer 1

Answer:

-12x + 5x

-7x

Hope this helps! ;)

Answer 2

Answer:

Answer:

-7x

Step-by-step explanation:

If you add 5 to the -12, you get -7. All you have to do is put an x next to your answer.

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I make $50 each month for allowance . 40%of this goes toward lunch . How much do I spend on lunch?

Answers

percent means parts out of 100 so
40%=40/100=4/10

'of' can be translated as multiply
50 times 4/10=200/10=20

$20=lunch

40% can be written in decimal form as 0.4.
If I multiply $50 by 0.4:
($50)(0.4)= $20

That means that 40% of $50 is $20.
So, you spend $20 on lunch.

Identify the equation of the graph

Answers

This has a vertex at (1,-5) and otherwise looks like y=x^2; the two points one x unit away from the vertex are also 1 y unit away, the two points two away are 4 units higher, etc.

$y = (x- 1)^2 - 5$

That's in vertex form. We're not shown any choices; let's multiply this out.

$y = x^2 - 2x - 4$

Either one of those.

nicole has a rectangular canvas that is 12 inches long and 10 inches wide.She paints a blue square in the center of the canvas.The sauare is 3 inches on each side. How much of the canvas is not painted blue?

Answers

First you add 10 with 12 which equals 22 the subtract 3 which is 19.So 19 inches of the canvas is not painted blue

What is 9 times as many square feet as 81

Answers

I think you multiply 81 and 9 then divide 3 then it = 243

81•9= 729 divide by 3= 243

of the pets in the pet show 5/6 are cats.4/5 of the calico cats what fraction of the pets are calico cats

Answers

The answer is 0.664 because you have to divide 4/5 and 5/6

Answer:

The answer is 0.664 because you have to divide 4/5 and 5/6

Step-by-step explanation:

How do i evaluate an expression with a given variable

Answers

To evaluate an expression with a given variable means to replace the number in the place of the variable, and then solve to find what the expression equals.
Example would be: x + 3 and x = 4
x + 3
4+3 = 7
7 is the value of the expression now.

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This equation shows how the total number of necklaces Lisa owns is related to the amount of money she spends on additional necklaces.n = dThe variable d represents the amount of money she spends on additional necklaces, and the variable n represents the total number of necklaces she owns. How much money does Lisa need to spend on new necklaces in order to own a total of 16 necklaces?

How can I do this I need help

(3x+4)^3=2197 solve this equation

What is the greatest common factor (GCF) of 3,9=