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3 years ago

Introduction to Functions quiz answers?

Mathematics

1 answer:

larisa86 [58]3 years ago

6 1

Answer:

hgdgcvwjhmcvtuqyjbwq jxghqnwukdhjqwnoukjxqexqe

Step-by-step explanation:

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Suppose p={0,1,2,3,4,5,6,7,8,9}and V={1,3,5,7,9,11,13,15,17,19} what is PnV?

vekshin1

Answer:

$P \cap V=\{1,3,5,7,9\}$

Step-by-step explanation:

$P \cap V$ means what do both lists have in common.

There is a 1,3,5,7, and 9 in both sets.

This implies $P \cap V=\{1,3,5,7,9\}$ .

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3 years ago

Help!<br> ANYTHING IS APPRECIATED

Debora [2.8K]

Answer:

A:90

B:105

C:60

D:165

Step-by-step explanation:

Brainliest?

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3 years ago

The standard deviation of the weights of elephants is known to be approximately 15 pounds. We wish to construct a 95% confidence

JulsSmile [24]

Answer:

The 95% confidence interval for the population mean weight of newborn elephants is between 242.12 pounds and 245.88 pounds.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.025 = 0.975$ , so $z = 1.96$

Now, find M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 1.96*\frac{15}{244} = 1.88$

The lower end of the interval is the sample mean subtracted by M. So it is 244 - 1.88 = 242.12 pounds.

The upper end of the interval is the sample mean added to M. So it is 244 + 1.88 = 245.88 pounds

The 95% confidence interval for the population mean weight of newborn elephants is between 242.12 pounds and 245.88 pounds.

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3 years ago

A bike rental is $20 for a day and $3 for an hour. Caroline rented a bike for 2 days and 2 hours. Write and equation you could u

wolverine [178]

Answer:

M = 20(2) + 3(2) = $46

Step-by-step explanation:

Here, we want to write an equation that could be used to find the amount of money spent

The rental charges $20 for a day and $3 for an hour

For 2 days, amount is 2 * 20 = $40

for 2 hours , amount is 3 * 2 = $6 hours

The amount Spent M will be;

M = 20(2) + 3(2) = $46

8 0

3 years ago

At a bus stop station, buses deport at a rate of 3 every 10 minutes. At this rate how many buses would depart in one hour.

e-lub [12.9K]

If every 10 minutes 3 buses leave then over a course of 60 minutes (1 hour ) 18 buses would leave

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4 years ago

Read 2 more answers