2 years ago

What percent of 520 is 260

1 answer:

6 0

260 is one half of 520 (because 520 / 260 = 2), so 260 is 50% of 520.

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Anika [276]

Multiply 78 and 12.
the answer would be 936

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2 years ago

Marizza181 [45]

With some simple rearrangement, we can rewrite the numerator as

$2x^3 - 3x^2 - x + 4 = 2(x^3 - x) - 3x^2 + x + 4 \\\\ ~~~~~~~~ = 2x(x^2-1) - 3(x^2 - 1) + x + 1 \\\\ ~~~~~~~~ = (2x-3)(x^2-1) + x+1$

Then factorizing the difference of squares, $x^2-1=(x-1)(x+1)$ , we end up with

$\dfrac{2x^3 - 3x^2 - x + 4}{x^2 - 1} = \dfrac{(2x-3)(x-1)(x+1) + x+1}{(x-1)(x+1)} \\\\ ~~~~~~~~ = \boxed{2x-3 + \dfrac1{x-1}}$

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1 year ago

Alexus [3.1K]

Look up flash cards they helped me cheat on my test

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2 years ago

Nadya [2.5K]

7x - 5 = 30

* add 5 to both sides

7x = 30 + 5

7x = 35

* divided both sides by 7

(7/7)x = 35/7

x = 5

8 0

2 years ago

DedPeter [7]

x=−2 and y=−2
A.(−2, −2)

4 0

2 years ago