2 years ago

May I please receive help?

Mathematics

1 answer:

QveST [7]2 years ago

8 0

Answer:

a = 19.6 (rounded to the nearest tenth)

Step-by-step explanation:

a^2 + b^2 = c^2

Hypotenuse - 35 m, Legs - 29 m, x

a^2 +29^2 = 35^2

a^2 + 841 = 1225

Subtract 841 from both sides

a^2 = 384

Square root both sides

√a^2 = √384

a = 19.595

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DENIUS [597]

Answer:

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Step-by-step explanation:

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3 years ago

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sukhopar [10]

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2 years ago

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konstantin123 [22]

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2 years ago

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mojhsa [17]

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3 years ago

A pianist plans to play 4 pieces at a recital from her repertoire of 20 pieces, and is carefully considering which song to play

balu736 [363]

There are 1,16,280 different recital programs possible.

Given: A pianist plans to play 4 pieces at a recital from her repertoire of 20 pieces and is carefully considering which song to play first, second, etc.

It means the repetition of pieces is not allowed.

When repetition is not allowed, then the number of ways to arrange n things where r things taken together is given by:-

$^{n} P_{r} =\frac{n!}{(n-r)!}$

Now, the number of different recital programs are:-

$^{20} P_{4} =\frac{20!}{(20-4)!}=\frac{20*19*18*17*16!}{16!}=116280$

Hence, there are 1,16,280 different recital programs possible.

Learn more about probability here brainly.com/question/251701

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