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3 years ago

7

To the nearest tenth, the P( -2.1 < z < 0) is:

1 answer:

Dvinal [7]3 years ago

5 0

-2.1 < z < 0

(-2.1 , 0)

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What is the product?

Kipish [7]

The denominator of the second fraction can be factored as (a-2)(2a-7), then it becomes doable. You cancel the (2a-7) factors, and are left with:

$\frac{3a^2}{a(a-2)} \implies \frac{3a}{a-2}$

Do note that you have erased the fact that a≠0 and a≠7/2, so you should always mention that.

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3 years ago

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Isosceles triangle ABC is shown below. What is the value of x?

vovangra [49]

Answer:

Where is the triangle shown below?

Step-by-step explanation:

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2 years ago

In a study of a gender selection method used to increase the likelihood of a baby being born a girl, 2086 users of the method g

kipiarov [429]

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C : does not have statistical significance

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Because there is a 15% chance of getting that many girls by chance, the method - does not have statistical significance.

By this method, the percentage of girls = $1067/2086=0.5115$ or 51.15%

This type of method does not have practical significance.

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3 years ago

Parallel lines are preserved in which of the following types of transformations?

dedylja [7]

Answer:

The answer should D) I, II, and III

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3 years ago

Do the results support or contradict the common belief that the mean body temperature is 98.6degreesF? A. The results contradic

nata0808 [166]

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A. The results contradict the belief that the mean body temperature is 98.6 °F because both the mean and the median are less than 98.6 °F.

Step-by-step explanation:

Assume the temperature data were those in the table below.

You would have calculated that

Mean = 97.9 °F

Median = 97.9 °F

These observations contradict the belief that the mean body temperature is 98.6 °F.

A 2017 study found the mean oral temperature of more than 35 000 British patients was 97.9 °F.

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3 years ago