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mylen [45]
3 years ago
8

(xy + 9y + 2) and (xy – 3)

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0

Answer:

x^2y^2 +9xy^2-xy-27y-6

Step-by-step explanation:

(xy+9y+2) (xy-3)

Each term of second bracket will be multiplied with the terms of first bracket

= xy(xy+9y+2) -3(xy+9y+2)

= x^2y^2+9xy^2+2xy-3xy-27y-6

=x^2y^2+9xy^2-xy-27y-6

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NikAS [45]
X= 5/mod I think this is the answer
5 0
3 years ago
How to rationalize the denominator of sqrt(a)/sqrt(a)-2
aivan3 [116]

Answer:

√a(√a + 2)          a - 2√a

----------------- = -----------------

    a - 4                a - 4

Step-by-step explanation:

I am assuming that by "sqrt(a)/sqrt(a)-2" you meant:

√a

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√a - 2

To rationalize the denom., multiply numerator and denom. of this fraction by the conjugate of √a - 2, which is √a + 2:

√a(√a + 2)

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3 0
3 years ago
Shreya and Shanice are selling pies for a
Gemiola [76]

Answer:

$26

Step-by-step explanation:

Let blueberry pies = x and lemon pies = y.

4x + 13y = 230

4x + 2y = 76

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4x + 2(14) = 76

4x + 28 = 76

4x = 48

x = 12

x + y = 12 + 14 = 26.

$26 is your answer.

7 0
2 years ago
Read 2 more answers
Consider nick draws 3 cards from a pack of 52 cards. What is the probability of getting no kings?
eduard
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6 0
3 years ago
A
andrew11 [14]
The answer is. A jeranabo
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