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arlik [135]
4 years ago
12

Please help simplify with steps 

Mathematics
1 answer:
Leviafan [203]4 years ago
8 0
Remember that you can always multiply or divide BOTH the numerator and denominator
of the fraction by anything you want to.  You just have to do exactly the same to both of
them.

The way to simplify a fraction is to divide both the numerator and denominator by their
greatest common factor.

Do you see all of those 'x's on the top and bottom ?  The top and bottom can
both be divided by x-cubed.

<u>Numerator:</u>
Divide (-4³) by x³, and you have (-4) left.

<u>Denominator:</u>
Divide (x³ - 2x⁴) by x³, and you have (1 - 2x) left.

So, the simplified fraction is [  -4 / (1 - 2x)  ].

That's a perfectly good answer, but you could make it look a little prettier
if you multiply the top and bottom both by -1 .  Then it would be

                             4 / (2x - 1) .

Either one is fine.
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A spinner is divided equally into four colors, red, green, yellow and blue. Find the sum of the probabilities of spinning red, g
grandymaker [24]
Probability=number of specific outcomes / total number of possible outcomes...

Since they want to know the probability of getting all of the colors the probability is just one.

The sum of all probabilities is always equal to one.  In this case:

1/4+1/4+1/4+1/4=1
5 0
3 years ago
Choose the answer based on the most effecient method as presented in the lesson. If the first step in the solution of the equati
oee [108]

Answer:

Correct answers A) Subtract 5x

Step-by-step explanation:

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3 years ago
In △GHJ, K(8,6) is the midpoint of GH, L(2.2) is the midpoint of HJ, and M(10,4) is the midpoint of GJ. Find the coordinates of
ikadub [295]

Answer:

I don't know I just need points sorry

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Professor stan der Deviation can take one of two routes on his way home from work. On the first route, there are four railroad c
insens350 [35]

Answer:

A) He should take the route with 4 crossings

B) The probability that he took the 4 crossing route is 0.2158

Step-by-step explanation:

Lets call X the number of crossings he encounters, A if he takes route 1 and B if he takes route 2.

Note that X given A is a binomial random variable with parameters n = 4 p = 0.1, and X given B has parameters n = 2, p = 0.1

The probability that the Professor is on time on route 1 is equal to

P(X|A = 0) + P(X|A = 1) = 0.9⁴ + 0.9³*0.1*4 = 0.9477

On the other hand, the probability that the professor is on time on route 2 is

P(X|B = 0) = 0.9² = 0.81

Hence, it is more likely for the professor to be late on route 2, thus he should take the route 1, the one with 4 crossings.

B) Lets call L the event 'The professor is late'. We know that

P(L|A) = 1-0.9477 = 0.0524

P(L|B) = 1-0.81 = 0.19

Also

P(A) = P(B) = 1/2 (this only depends on the result of the coin.

For the Bayes theorem we know, therefore that

P(A|L) = \frac{P(L|A) * P(A)}{P(L|A)*P(A) + P(L|B)*P(B)} = \frac{0.0523*0.5}{0.0523*0.5 + 0.19*0.5 } = 0.2158

Hence, the probability that he took the 4 crossing route is 0.2158.

4 0
4 years ago
Want Brainliest get this correct What is the sum of the fractions below?
Gennadij [26K]
7/2x is ur answer since the denominator is the same so you just add the numerators together
7 0
4 years ago
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