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Mathematics

2 answers:

Kisachek [45]4 years ago

6 0

Both are equal to each other

stepladder [879]4 years ago

5 0

$\displaystyle \bf\\\frac{1}{4} \cdot \frac{3}{4} = \frac{3}{4} \cdot \frac{1}{4}~~~\text{Equal because the multiplication is commutative.}\\\\ \\\frac{3}{4}\div\frac{2}{5} \neq \frac{2}{5}\div\frac{3}{4}~~~\text{Not equal because division is not commutative.}$

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Simplify the square root of 27x^12/300x^8

Darina [25.2K]

The first thing we are going to do is rewrite the expression correctly.
We have:
root (27x ^ 12 / 300x ^ 8)
Rewriting:
root ((27/300) * (x ^ 12 / x ^ 8))
root ((9/100) * (x ^ (12-8)))
root ((9/100) * (x ^ (4)))
root ((9/100) * (x ^ (4)))
3 * x ^ 2 * root ((1/100)
(3 * x ^ 2) / 10
(3/10) * (x ^ 2)
Answer:
(3/10) * (x ^ 2)

6 0

3 years ago

Read 2 more answers

Theorem: the sum of any two even integers equals 4k for some integer k. "proof: suppose m and n are any two even integers. by de

icang [17]

Remark

The proof is only true if m and n are equal. Make it more general.

m = 2k

n = 2v

m + n = 2k + 2v = 2(k + v).

k and v can be equal but many times they are not. From that simple equation you cannot do anything for sure but divide by 2.

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