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tangare [24]
3 years ago
10

Ayuda por favor

Mathematics
1 answer:
Airida [17]3 years ago
8 0

Answer:

manda una foto pls es que no me deja ver lo que has puesto

Step-by-step explanation:

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Given the rational expressions 7/(x ^ 2 - 12) and (2x - 1)/(x + 2) which of the following is true?
goldenfox [79]

Answer:

option C

Step-by-step explanation:

\frac{\frac{2x-1}{x+2}}{\frac{7}{x^{2}-12}}=\frac{2x-1}{x+2}*\frac{x^{2}-12}{7}\\\\\\=\frac{(2x-1)(x^{2}-12)}{7(x+2)}

3 0
3 years ago
How to show how to find the answer to -3 +4 -1
Fittoniya [83]

Answer:it’s 0

Step-by-step explanation:

You do -3 plus 4 and then minus 1 which would be 0

5 0
2 years ago
Ming rolls a number cube, tosses a coin, and chooses a card from two cards marked a and b. if an even number and heads appears,
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A Teenager can wash two tables per minute write an expression for how many tables they can wash in M minutes
Vikki [24]
The answer to this problem is 2m
3 0
3 years ago
A rectangle with a length of L and a width of W has a diagonal of 10 inches. Express the perimeter P of the rectangle as a funct
KatRina [158]
<h2>Answer:</h2>

The expression which represents the perimeter P of the rectangle as a function of L is:

          Perimeter=2(L+\sqrt{100-L^2})

<h2>Step-by-step explanation:</h2>

The length and width of a rectangle are denoted by L and W respectively.

Also the diagonal of a rectangle is: 10 inches.

We know that the diagonal of a rectangle in terms of L and W are given by:

10=\sqrt{L^2+W^2}

( Since, the diagonal of a rectangle act as a hypotenuse of the right angled triangle and we use the Pythagorean Theorem )

Hence, we have:

10^2=L^2+W^2\\\\i.e.\\\\W^2=100-L^2\\\\W=\pm \sqrt{100-L^2}

But we know that width can't be negative. It has to be greater than 0.

Hence, we have:

W=\sqrt{100-L^2}

Now, we know that the Perimeter of a rectangle is given by:

Perimeter=2(L+W)

Here we have:

Perimeter=2(L+\sqrt{100-L^2})

7 0
3 years ago
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