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UNO [17]
2 years ago
15

Expand this expression (x-y)²​

Mathematics
1 answer:
pochemuha2 years ago
8 0

Answer:

x^2 - 2xy + y^2.

Step-by-step explanation:

(x - y)^2

= (x - y)(x - y)

= x(x -y) - y(x - y)

= x^2 - xy - xy + y^2

= x^2 - 2xy + y^2.

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What are the vertical asymptote(s) of y= (x-6)/(x+8) (x-7)
White raven [17]

Answer:

x = -8 and x= 7

Step-by-step explanation:

recall that for a rational expression, the vertical asymptotes occur at x-values that causes the expression to become undefined. These occur when the denominator becomes zero.

Hence the asymptototes will occur in x-locations where the denominator , i.e

(x+8)(x-7) = 0

solving this, we get

(x+8) = 0 ----> x = -8

or

(x-7) = 0 ------> x = 7

hence the asymptotes occur x = -8 and x= 7

5 0
3 years ago
Read 2 more answers
Trina wants to put baseboards around her 12 by 15-foot bedroom. How many feet of baseboards will she need for the perimeter of h
o-na [289]
I believe the answer would be 54 feet of baseboard
6 0
3 years ago
Simplify the expression<br> 2(6-8x)+3
Kay [80]
2(6-8x)+3

=12-16x+3
=15-16x
7 0
3 years ago
I don’t know what to do
musickatia [10]

Answer:

okay so, everytime you see anything that says "a number", that will automatically mean that there is a number in the equation that u dont know, so instead of putting a random number in its place, you put an "exponent" aka a letter like "x" for example. so it says, 12 is the sum of a "number" and 3, that means 3 plus a number gives u 12, you would have to make an equation to find the "number" so the equation would be "3 + x = 12".

Step-by-step explanation:

6 0
3 years ago
If I paid $16.24 for 7 bags of flour that were on sale for 10%off and each bag contained 2 pounds of flour, what would be the re
Ket [755]

Answer:

The regular price for 1 pound of flour was $ 1.29

Step-by-step explanation:

Price        Percentage

$ 16.24        90

  x              100

***************************

90 * x = 16.24 * 100

90x = 1,624

x = 1,624/90

x = 18.05

Now, let's calculate the price of each bag of flour, this way:

Price of each bag = 18.05/7

Price of each bag = $ 2.58 (rounding to the next cent)

Finally, we can calculate the regular price for 1 pound of flour:

Regular price for 1 pound of flour = 2.58/2

Regular price for 1 pound of flour = $ 1.29

3 0
3 years ago
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