3 years ago

How do I delete my account? I’m no longer in school so I don’t need the app

Mathematics

2 answers:

3241004551 [841]3 years ago

5 0

Answer:

Step-by-step explanation:

Ierofanga [76]3 years ago

4 0

Just logout.I don’t know how to do it otherwise

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In how many ways can 3person study groups beselected from a class of 25students?Note: nrn!r!(n-r)!nEnter

nlexa [21]

Answer:

2,300

Explanation:

This is given as:

$\begin{gathered} 25\text{ combination 3 represented as:} \\ ^nC_r=\frac{n!}{r!(n-r)!} \\ n=25 \\ r=3 \\ ^{25}C_3=\frac{25!}{3!(25-3)!} \\ ^{25}C_3=\frac{25\times24\times23\times22!}{3!\times22!} \\ ^{25}C_3=\frac{25\times24\times23}{3\times2\times1} \\ ^{25}C_3=2300 \end{gathered}$

Therefore, there are 2,300 ways that 3 persons can be selected from 25 people

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1 year ago

Please show work and answer thx

ASHA 777 [7]

Answer:

d. m+ 3 = 15

Step-by-step explanation:

it explains you have to add m to 3 so it can't be m + 15. also, its says equals to 15 so 15 will be after the equal sign.

hope this helped... branliest please :)

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3 years ago

A pack of toy cars contains 12 cars. If Sylvia buys only packs of 12, what are two numbers of cars that she can buy?

Kruka [31]

Your question is not fully understandable.
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3 years ago

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creativ13 [48]

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3 years ago

Can a system of two linear equations have exactly two solutions?

Elenna [48]

Most linear systems you will encounter will have exactly one solution. However, it is possible that there are no solutions, or infinitely many. (It is not possible that there are exactly two solutions.) The word unique in this context means there is a solution, and it's the only one.

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