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cestrela7 [59]
3 years ago
9

Find 2a for a = 3 1/4. 23 1/4 6 1/4 6 1/2 5 1/2

Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

6 \frac{1}{2}

Step-by-step explanation:

you are adding 3 1/4 to 3 1/4 which is 6 2/4 or 6 1/2

or you can multiply 13/4 by 2 to get 26/4 or 13/2 which, again, is 6 1/2

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2³+2²+2÷2²+2+1=2 prove that this relation is true for any natural numbers
UkoKoshka [18]

So, this question is basically asking us "If we had an x instead of a 2, would this be true?" We can try and see what we get:

\frac{x^3+x^2+x}{x^2+x+1}=x

So, if we want to show this we have to change the numerator or denominator in such a way that we can cancel some common factors. Notice that x^3+x^2+x=x(x^2+x+1)

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Since we have an equality, this relation is proved.

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‼️please help ASAP.
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Try to do them on math -way
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3 years ago
What is the rational number that has no multiplicative inverse​
mel-nik [20]

Answer:

0

No other rational number is its own reciprocal. We know that there is no rational number which when multiplied with 0, gives 1. Therefore, rational number 0 has no reciprocal or multiplicative inverse.

I hope it's helpful!

3 0
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