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Gnoma [55]
3 years ago
5

What is the expression (a^2+b^2)^2 is equivalent to

Mathematics
2 answers:
netineya [11]3 years ago
7 0
<span>(a^2+b^2)^2
since (a+b)^2=a^2+2ab+b^2, substitute a with a^2 and b with b^2, which yields:
a^4+2(a^2*b^2)+b^4</span>
Pavlova-9 [17]3 years ago
5 0
( a^{2} + b^{2} )^{2}
 ( a^{2} + b^{2} )( a^{2} + b^{2} )
(a^{4}+a^{2}b^{2}+a^{2}b^{2}+b^{4})
(a^{4}+2a^{2}b^{2}+b^{4})
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A coordinator will select 6 songs from a list of 9 songs to compose an event's musical entertainment lineup. How many different
g100num [7]

Answer:

84 different lineups are possible

Step-by-step explanation:

The order in which the songs are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

6 musics from a set of 9. So

C_{9,6} = \frac{9!}{6!(9-6)!} = 84

84 different lineups are possible

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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storchak [24]
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3 years ago
Four more than double a number is 100 what is the answer?
algol13

Answer:

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Step-by-step explanation:

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