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2 years ago

2x^-8x+12 -------------- 2x^-36

1 answer:

8 0

$\frac{x { }^{2} - 2x - 6x + 12}{ (x - 6)(x + 6)} \\ \\ \frac{x(x - 2) - 6(x - 2)}{(x - 6)(x + 6)} \\ \\ \frac{(x - 2)(x - 6)}{(x - 6)(x + 6)} \\ \\ \frac{x - 2}{x + 6}$

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the formula for the area of a circle is A pi r^2 what is the radius of a circle with an area of 400 pi cm^2

Bogdan [553]

Answer: 20 cm

Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain a variable.

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2 years ago

Can someone pls explain this to me I am super dead tired today sorry

steposvetlana [31]

Answer:

y = - 1

Step-by-step explanation:

Its flat line do it has no slope so its named by the name that is in every point

which is the y point -1 so its y=-1

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2 years ago

Read 2 more answers

Write the ratio in the simplest form 25 to 45

Bond [772]

Answer: 5/9 is the simplified fraction for 25/45 by using the GCD or HCF method. Thus, 5/9 is the simplified fraction for 25/45 by using the prime factorization method.

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1 year ago

What is 4/9 - (-2/9)

Citrus2011 [14]

Hello!

$\frac{4}{9}-\frac{2}{9}$

First you had to used apply rule -(-b)=b

$\frac{4}{9}+\frac{2}{9}$

Since the denominators are equal to it should be combine by the fractions.

$\frac{4+2}{9}$

Then add 4+2=6

$\frac{6}{9}$

$\frac{4}{9}-\frac{-2}{9}$

Finally you had to cancel by the common factor of 3.

$=Answer--->\frac{2}{3}$

Hope this helps! And thank you for posting at here on Brainly. And have a great day! -Charlie :)

4 0

3 years ago

The product of n and 6 divided by 4 in algebraic expression

Damm [24]

Answer:

$6n \div 4$

Step-by-step explanation:

n is a variable and multiplied by 6, so it is attached to 6. (6 is known as the coefficient.) Then it is divided by 4. (4 is known as the constant because there is no variable attached to it.)

$6n \div 4$

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2 years ago