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creativ13 [48]
4 years ago
12

How do you determine if a number is rational

Mathematics
2 answers:
oksano4ka [1.4K]4 years ago
7 0
Hi!

If the number can be represented as a ratio (fraction or repeating decimal), it is rational. An irrational number, like pi, does not repeat, but goes on forever.

Hope this helps!
kap26 [50]4 years ago
4 0
A number that can be put in fraction form (does not go on forever). GOOGLE IT NEXT TIME
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Without actual division prove that x4 +2x3 -2x2 +2x -3 is exactly divisible by<br> x2 +2x-3
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Answer:

Step-by-step explanation:                

\displaystyle\Large\boldsymbol{} x^4+2x^3-2x^2+2x-3= \\\\\\x^4+2x^2(x-1)+2x-\underbrace{2-1}_{-3}=  \\\\\\x^4-1+2x^2(x-1)+2x-2 = \\\\\\(x^2-1)(x^2+1)+2x^2(x-1)+2(x-1) = \\\\\\\underline{(x-1)}(x+1)(x^2+1)+2x^2\underline{(x-1)} +2\underline{(x-1)} =\\\\\\(x-1)((x+1)(x^2+1)+2x^2+2)=\\\\\\(x-1)(x^3+x^2+2x^2+x+2+1)=\\\\\\(x-1)(x^3+3x^2+x+3) =\\\\\\(x-1)( \underline{(x+3)}x^2+\underline{(x+3)})=(x^2+1)\underbrace{(x-1)(x+3)}_{x^2+2x-3}= \\\\\\(x^2+1)(x^2+2x-3) : (x^2+2x-3)=x^2+1

7 0
3 years ago
Which services would an organization accepting charitable donations provide? choose three answers. planning a blood drive provid
densk [106]

The services that an organization accepting charitable donations would provide are; A, B, D

What are uses of charitable donations?

An organization that accepts charitable donations is classified as a non-profit organization.

A non - profit organization is simply a group that works in order to help with a particular cause and it uses its earnings to work for this goal instead of profit making or sharing the money to its' members.

From the given options, the services that an organization accepting charitable donations provide are:

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Read more about Charitable donations at; brainly.com/question/13940953

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Evgesh-ka [11]
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