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Lera25 [3.4K]
3 years ago
12

(x4- 4x2 + 5x - 1) = (x + 2) Solve using remainder Therom

Mathematics
1 answer:
dimulka [17.4K]3 years ago
8 0

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

              Hi my lil bunny!

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

Lets do this step by step.

Simplify: (4x2 - 2x) - (-5x2 - 8x).

~~~~~~~~~~~~~~~~~~~~~~~~~

Solution:

(4x2 - 2x) - (-5x2 - 8x)= 4x2 - 2x + 5x2 + 8x.= 4x2 + 5x2 - 2x + 8x.= 9x2 + 6x.= 3x(3x + 2).

~~~~~~~~~~~~~~~~~~~~~~~~

Answer: 3x(3x + 2)

❧⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯☙

●✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎❀✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎✴︎●

Hope this helped you.

Could you maybe give brainliest..?

❀*May*❀

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Answer:

0.0039 = 0.39% probability that she beats all 4 levels on the first try.

Step-by-step explanation:

For each level, there are only two possible outcomes. Either she can win the new level on the first try, or she cannot. The probability of winning a level on the first try is independent of any other level. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

She knows that she can win a new level on the first try 25% of the time.

This means that p = 0.25

Janice plays through 4 levels.

This means that n = 4

What is the probability that she beats all 4 levels on the first try?

This is P(X = 4). So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 4) = C_{4,4}.(0.25)^{4}.(0.75)^{0} = 0.0039

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5 0
2 years ago
Katrina is building a deck. She cuts 3 lengths of wood from a 72-inch board. The first length is inches. The second length is in
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Rewriting the question, the given lengths that were cut from the board were 30 3/4 inches, 12 1/4 inches, and 16 1/4 inches. To obtain the remaining length of the board, all of the measurements cut are to be added and subtracted from 72 inches. This is shown below:

30 3/4 + 12 1/4 + 16 1/4 = 237/4 = 59.25 inches.

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Therefore, there will be 12.75 inches remaining of the board.
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3 years ago
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558 gallons are used when the car has been driven 18 miles.

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

<u>From the given data, it can be determined that :</u>

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Let, the number of gallons for 18 miles = 'x' gallons

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compare the given data with the unknown data,

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keep x alone on one side,

x = (62×18) / 2

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x = 558 gallons

Therefore, 558 gallons are used to drive 18 miles.

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3 years ago
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