Please helps!!!!!!!!!!!!!!

Mathematics

1 answer:

Goshia [24]3 years ago

3 0

Statement Reason

---------------------------------------------

1. RS ≅ UT | Given

2. RT ≅ US | Given

3. ST ≅ TS | Reflexive Property

4. △RST≅△UTS | SSS

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Give the product in simplest form: (pic below)

stellarik [79]

Answer:

26/3

Step-by-step explanation:

First, you need to turn the fractions from mixed form to improper fractions.

3 1/4 x 2 2/3

13/4 x 8/3

= 26/3

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3 years ago

A gallery has 25 paintings in its permanent collection, with display space for 10 at one time. How many different collections ca

Anastaziya [24]

You need to know in how many ways you can choose 10 out of 25 items when order does not matter. This is a combination problem.

$_{n}C_{r} = \dfrac{n!}{(n - r)!r!}$

$_{25}C_{10} = \dfrac{25!}{(25 - 10)!10!}$

$_{25}C_{10} = \dfrac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18 \times 17 \times 16 \times 15!}{15! \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}$

$_{25}C_{10} = \dfrac{25 \times 24 \times 23 \times 22 \times 21 
\times 20 \times 19 \times 18 \times 17 \times 16}{10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 
\times 2 \times 1}$

$_{25}C_{10} = \dfrac{23 \times 11 \times 20 \times 19 \times 2 \times 17}{1}$

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6 0

4 years ago

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Pls help me It would help alot

LenKa [72]

Answer: A=4πr2

I really hope this helped!!

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3 years ago

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Which law would you use to simplify the expression?

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