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3 years ago

What is the X-factor of 5x

Mathematics

1 answer:

Ghella [55]3 years ago

8 0

Is there any multiple choice answers?

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Simplify

OlgaM077 [116]

Answer:

see below

Step-by-step explanation:

$\frac{x-1}{x^2-3x+2}+ \frac{x-2}{x^2-5x+6} +\frac{x-5}{x^2-8x+15}$

we need to simplify that

$x^2-3x+2=(x-1)(x-2)\\\\x^2-5x+6=(x-2)(x-3)\\\\x^2-8x+15=(x-3)(x-5)$

so we can continue

$\frac{x-1}{(x-1)(x-2)}=\frac{1}{x-2}\\\\\frac{x-2}{(x-2)(x-3)} =\frac{1}{x-3}\\\\\frac{x-5}{(x-3)(x-5)} =\frac{1}{x-3}$

and we can put all together

$\frac{1}{x-2}+ \frac{1}{x-3}+ \frac{1}{x-3}\\\\\frac{1}{x-2} +\frac{2}{x-3}\\\\\frac{x-3}{(x-3)(x-2)}+ \frac{2(x-2)}{(x-2)(x-3)} \\\\\frac{x-3+2x-4}{(x-3)(x-2)}\\\\\frac{3x-7}{x^2-5x+6}$

3 0

2 years ago

What is tge total surface area of a solid sphere of diameter 14cm

Alborosie

The surface area of a sphere of radius r is A = 4π*r^3.

Since the radius in this case is 7 cm (half the 14 cm diameter), the area of this sphere is

A = 4π(7 cm)^2, or 196π cm^2.

7 0

2 years ago

Which measurement is the best estimate for the length of a clothespin?

saul85 [17]

In my opinion i think it’d be 9 cm

3 0

2 years ago

Whats the domain for this equation?

fgiga [73]

Strictly speaking an equation does not have a domain. A function does. Though it may make sense to speak about a solution set to this equation over a domain.

The following could be helpful towards an answer: The equation has two sides. The left hand side is a non-linear function and the right hand side is a line with slope -1 and y-intercept of 1.

The function $\log_5(6-5^x)$ has a domain over all Reals x for which it holds $6-5^x > 0 \\6 > 5^x\\\log_5 6 > x$ so the domain of the nonlinear function is $-\infty$ .

The domain of the linear function 1-x is all Reals: $-\infty$

So, together you could say the equation's solutions are defined over the domain $-\infty$ .

Lmk if you have questions.

7 0

2 years ago

6. My number is 345,678.

Vaselesa [24]

Answer:

436,587 I think

Step-by-step explanation:

you would divide 300,000 to get 30,00. Then, you would multiply the 40,00 to get 400,00.So now your number is 430,000. After that, you would divide the 5,000 by 10 to get 500. Then you would take the 600 and multiply it by 10 to get 6,000. Then you would divide the 70 by 10 and get 7.your number is now 436,507. Lastly, you would multiply the 8 by 10 to get 80.So your final number is 436,587

6 0

3 years ago

What is the X-factor of 5x​

What is the X-factor of 5x