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antiseptic1488 [7]
3 years ago
5

Expand x^3 minus y^3

Mathematics
2 answers:
Radda [10]3 years ago
8 0

(x³ - y³) =

= (x - y)(x² + xy + y²)

Lubov Fominskaja [6]3 years ago
3 0

Answer:

x^{2} - y^{2}

(x-y)(x^{2} + xy + y^{2})

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16. At the mall, a pair of jeans cost $44 and a pair of earring cost $12. You spend a total of $80
sergij07 [2.7K]

There are 3 pairs of earrings that you bought in addition to the jeans. Forming an equation with the given values helps to find the required value.

<h3>How to write an equation for the given information?</h3>

It is given that,

A pair of jeans cost = $44

A pair of earrings cost = $12

you spent a total of $80 before taxes.

So, the equation for the given data is,

$80 = $44 + $12x

Where x is the number of pairs of earrings.

<h3>Calculation:</h3>

Simplifying the obtained equation:

$80 = $44 + $12x

⇒ 12x = 80 - 44

⇒ 12x = 36

⇒ x = 36/12

∴ x = 3

Thus, you can buy three pairs of earrings at the mall in addition to the jeans.

Learn more about an equation here:

brainly.com/question/25678139

#SPJ9

8 0
2 years ago
Janet can do a job in three hours while Gary can do the same job in two hours. If Janet works for an hour before Gary be in help
yKpoI14uk [10]

Janet = 1/3

Gary = 1/2

(1/3) + (1/2) = 5/6

Let x = time they both can do the job together

(1/2) + (5/6)x = 1

Solve for x to find your answer.

6 0
3 years ago
Read 2 more answers
Is y=10-x a function?
qaws [65]
Yes it is a function
4 0
3 years ago
Please help me with this question. I will mark brainliest
Hatshy [7]

Answer:

19,350.4 or 19,350 if they want it rounded

Step-by-step explanation:

To find the mean you must add up all the numbers. Then, divode that sum by the amount of numbers you added up.

Explanation:

16,746 + 18,423 + 20,536 + 19,572 + 21,475 = 96,752

96,752/5 = 19,350.40

Hope this helps you out!! : )

4 0
3 years ago
I need help with this question
dsp73
The slope is 9/3 which can be simplified into 3/1
5 0
2 years ago
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