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rosijanka [135]
3 years ago
10

What are the solution to the quadratic equation x2 - 36=0

Mathematics
2 answers:
MArishka [77]3 years ago
8 0

Answer: x= -6 x=6

Step-by-step explanation:

expand the equation so you get (x-6)(x+6) and then set the equal to zero and solve

Anuta_ua [19.1K]3 years ago
8 0
X2=36 then take the square root of both sides , it will be x=6 and x=-6
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Write an expression in simplified form for the area of the rectangle​
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55x+33

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A = L*W

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A = (5x+3)*11

A = 55x+33

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A recipe for cookies calls for 2 cups of flour, 1/2 teaspoon of baking soda, 1/2 teaspoon of salt, 3/4 cup of butter, 1.5 cups o
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Factor 2x² + 13x + 20​
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Eight percent of all college graduates hired by companies stay with the same company for more than five years. The probability,
Maurinko [17]

Answer:

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Step-by-step explanation:

For each graduate, there are only two possible outcomes. Either they stay for the same company for more than five years, or they do not. Graduates are independent. This means that we use the binomial probability distribution 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.

Eight percent of all college graduates hired by companies stay with the same company for more than five years.

This means that p = 0.08

Sample of 11 college graduates:

This means that n = 11

The probability, rounded to four decimal places, that in a random sample of 11 such college graduates hired recently by companies, exactly 2 will stay with the same company for more than five years is: the absolute tolerance is +-0.0001

The tolerance means that the answer is rounded to four decimal places.

The probability is P(X = 2). So

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

P(X = 2) = C_{11,2}.(0.08)^{2}.(0.92)^{11} = 0.1662

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4 0
3 years ago
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