2 years ago

What happenens to the value of the expression 100 -x as x increases

1 answer:

6 0

The value of the expression would decrease because if you add more to the smallest number in the subtraction problem the value or the answer decreases

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Find (f•f)(3) f(x) = x^2 - x

Reika [66]

A. 30 is correct answer

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3 years ago

Liz Williams claims to have psychic abilities and predict the future. Anderson Cooper, a CNN personality plans to test her in hi

Katena32 [7]

Answer:

b. Because the probability of being 15 or more correct is 0.0207, it is likely that she is just guessing at the questions.

Step-by-step explanation:

-This is a binomial probability distribution with p=0.5, n=20 and x=15.

The function is expressed as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}$

We calculate the probability of guessing 15 or more correctly:

$P(X\geq 15)=1-P(X$

The probability of passing, guessing 15+ correctly, is 0.0207. This probability is very low and it is it is likely that she is just guessing at the questions

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2 years ago

How can square roots be written so that the radicand has no square factors?

larisa86 [58]

Answer:

You can do this by dividing the radicand by the square number , and multiplying the radical by the root of that number.

e.g.

$\sqrt{96} \\= \sqrt{16 \times 6}\\= 4\sqrt{6}$