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pochemuha
3 years ago
12

Match the pairs of polynomials to their products.

Mathematics
2 answers:
Verizon [17]3 years ago
6 0

Answer:

(x + 3y) and (x – 3y) ------x2 – 9y2

(x2 + 3xy – 2) and (xy + 3)-------x3y + 3x2 + 3x2y2 + 7xy – 6

(2xy + x + y) and (3xy2 – y)------6x2y3 – 2xy2 + 3x2y2 – xy + 3xy3 – y2

(xy + 3x + 2) and (xy – 9)-------x2y2 + 3x2y – 7xy – 27x – 18

Step-by-step explanation:


Anna35 [415]3 years ago
4 0
(x+3y) (x-3y) = x^2 9y^2
(x-y) (x+3y) = x^2+2xy-3y^2
(xy+9y+2) (xy-3) =  x^2 y^2 +9xy^2-xy-27y-6
(x^2+3xy-2) ( xy+3) = x^3 y+3x^2 y^2 +7xy-6
(2xy+x+y) (3xy^2-y) = 6x^2 y^3 +3x^2 y^2 +xy^2-2xy^2-xy-y^2
(xy+3x+2) ( xy-9) =  x^2 y^2 +3x^2 y -7xy-27x-18
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a light bulb consumes 6300 watt hours in 3 days and 12 hours. how many watt hours does it consume per day
Oksana_A [137]

Answer:

1800 watt hours

Step-by-step explanation:

6300 watt hours in 3 days and 12 hours

3 x 24 = 72 3 days worthof hours

72 + 12 = 84 total hours

6300/84 = 75 watt hours per hour

75 x 24 = 1800 watt hours per day

6 0
3 years ago
What is the image point of (1, 4) after a translation left 5 units and down 3 units?
beks73 [17]

Answer:

(-4,1)

Step-by-step explanation:

for x you do:

1 - 5 = -4

for y you do:

4 - 3 = 1

so it is (-4,1)

8 0
3 years ago
If 50% is 10 what is 25%​
kaheart [24]

Step-by-step explanation:. The first says “I know that 10 is one-tenth of 100. I will therefore divide 50 by 10. The answer is 5”.

This is fine when the numbers are relatively simple. But suppose the numbers are more complicated.

What is 22% of 46?

Now it’s much less straightforward. You can’t just work out what 22% is, expressed as a fraction, and anyway, it’s not a simple fraction.

Instead, you have to divide 46 into 100 equal parts, and work out what 22 of them would be when added together.

So: 46 ÷ 100 = 0.46 [remember, when you divide by 100, you move the decimal point two places to the left].

0.46 × 22 = 10.12

Answer: 22% of 46 is 10.12.

Hope this helped :)

8 0
3 years ago
Y<br> 47<br> 27<br> 2+<br> -2 -2<br> 1<br> 2<br> What is the slope of the line
Kryger [21]

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3 0
3 years ago
Subtract five from three times a number and the result is equal to the number plus five. find the number.
allsm [11]
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because 3x=x is basically would make each part into 0 which would end up the same. 
6 0
3 years ago
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