3 years ago

2m in verbal expression

Mathematics

1 answer:

Marat540 [252]3 years ago

5 0

Two times the expression of m.

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Max weighs 40 pounds less than his brother Together they weigh 280 pounds how much does his brother weight

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Step-by-step explanation:

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2c - 4p> -6 and 3c + 1 < 13

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List the number in order from least to greatest. |-8|,-8,0,|7|,-7

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Sloan [31]

Answer:

Sum of $\frac{7x}{x^2-4}$ and $\frac{2}{x+2}$ is $\mathbf{\frac{9x-4}{x^2-4}}$

Option B is correct answer.

Step-by-step explanation:

We need to find sum of $\frac{7x}{x^2-4}$ and $\frac{2}{x+2}$

Finding sum of $\frac{7}{x^2-4}$ and $\frac{2}{x+2}$ :

$\frac{7x}{x^2-4}+\frac{2}{x+2}$

We know that $x^2-4 =(x+2)(x-2)$

Replacing x^2-4

$\frac{7x}{(x+2)(x-2)}+\frac{2}{x+2}$

Now, taking LCM of (x+2)(x-2) and (x+2) we get (x+2)(x-2)

$=\frac{7x+2(x-2)}{(x+2)(x-2)}\\=\frac{7x+2x-4}{(x+2)(x-2)}\\=\frac{9x-4}{(x+2)(x-2)}\\=\frac{9x-4}{x^2-4}$

So, Sum of $\frac{7x}{x^2-4}$ and $\frac{2}{x+2}$ is $\mathbf{\frac{9x-4}{x^2-4}}$

Option B is correct answer.

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2 years ago

What is the length of MN

dexar [7]

15, because angle L and N are equal, 3x=x+10 so x=5, plugging it in, we get that MN is 15

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