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3 years ago

The area of the triangle below is 2/5 square foot what is the length in feet of the base of the triangle

1 answer:

6 0

The formula in getting the area of the triangle is the half of the product of the height of the base of the triangle and the length of its base. In the problem, the possible answer would be the square root of 4/5 because 2/5 time 2 is 4/5 and then get the square root of the answer. Hope this would help

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Suppose a shipment of 400 components contains 68 defective and 332 non-defective computer components . From the shipment you tak

Alona [7]

Answer:

The standard deviation for the number of defective parts in the sample is 1.88.

Step-by-step explanation:

The sample is with replacement, which means that the trials are independent, and thus, the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x successes on n repeated trials, with p probability.

The expected value of the binomial distribution is:

$E(X) = np$

The standard deviation of the binomial distribution is:

$\sqrt{V(X)} = \sqrt{np(1-p)}$

68 defective out of 400:

This means that $p = \frac{68}{400} = 0.17$

From the shipment you take a random sample of 25.

This means that $n = 25$

Standard deviation for the number of defective parts in the sample:

$\sqrt{V(X)} = \sqrt{np(1-p)} = \sqrt{25*0.17*0.83} = 1.88$

The standard deviation for the number of defective parts in the sample is 1.88.

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3 years ago

The Andrews Family bought 2 adult tickets,3 children tickets,and 1 senior

kirill [66]

Answer:

$26.00

Step-by-step explanation:

6 0

3 years ago

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I’m confused in the exponential

Anna [14]

Answer:

this mean in case of multiplying exponents with same base you should add the exponent and keep base same.

example:

${6}^{4} \times {6}^{5 } = {6}^{4 + 5} \\ = {6}^{9}$

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2 years ago

EASY 50 POINTS AND CROWN

Anna11 [10]

The answer for leading coefficient should be 1.

8 0

3 years ago

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Which of these pairs of points defines a line with a slope of 0? HELP ASAP

Ad libitum [116K]

A line with a slope=0 has the same values of "y"
if we have two points.
A(x₁,y₁)
B(x₂,y₂)
the line between these two points will be horizontal o slope=0 if : y₁=y₂

answer:
A)(1,4) and (-4,4)

8 0

3 years ago