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3 years ago

Point A is a representation of which number on the number line?

Mathematics

2 answers:

Leni [432]3 years ago

7 0

It is -3 brah

It is the 2nd

MrMuchimi3 years ago

7 0

Answer:

its -3

Step-by-step explanation:

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What is the value of the expression 8p4

Nady [450]

ANSWER

$8P_4 = 1680$

EXPLANATION

We use the formula

$nP_r = \frac{n!}{(n - r)!}$

For

$8P_4$

and n=8, r=4.

$8P_4= \frac{8!}{(8- 4)!}$

This simplifies to

$8P_4= \frac{8!}{4!}$

We expand the numerator using factorial notation,

$8P_4= \frac{8 \times 7 \times 6 \times 5 \times 4!}{4!}$

The common factors cancel out.

$8P_4= 8 \times 7 \times 6 \times 5$

$8P_4= 1680$

3 0

3 years ago

Will Mark brainliest, PLEASE Help!

Masja [62]

Answer:

$\sqrt{ {5}^{4} } = {5}^{2} \\ \sqrt{ {7}^{2} } = 7 \\ {5}^{2} \times 7$

$\sqrt{ {2}^{6} } = {2}^{3} \\ \sqrt{ {11}^{10} } = {11}^{5 } \\ {2}^{3} \times {11}^{5}$

5 0

3 years ago

Which of the following is an arithmetic sequence? <br> 0,2,4,6<br> 1,2,4,8<br> 1,4,8,13

STatiana [176]

It is probably 0,2,4,6 because other ones go "out of the sequence".

Hope this helps. :)

8 0

3 years ago

Assume that population mean is to be estimated from the sample described. Use the sample results to approximate the margin of er

Vikentia [17]

Answer:

$ME=1.998 \frac{4}{\sqrt{64}}=0.999 \approx 1$

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

$\bar X =69$ represent the sample mean for the sample