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3 years ago

Please help me out............

Mathematics

1 answer:

sasho [114]3 years ago

6 0

Answer:y=1

Step-by-step explanation:

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If Y has exactly 2 positive integer factors then Y is a prime number. if so how?

Setler79 [48]

Step-by-step explanation:

yes, if your teacher meant to include the default factors of every positive integer number : 1 and the number itself.

these are the 2 positive integer factors.

if a positive number can only be divided without remainder by 1 or by itself (with result 1), then it is per definition a prime number.

if the number can be divided without remainder by another number, then we are not dealing with a prime number.

but if your teacher did not have these default factors in mind, then no :

example : 15

15 has only 2 factors : 3 and 5.

both are positive integer numbers.

and yet 15 is not a prime number.

but back to my first point, 15 also has formally the factors 1 and 15. so, if we count them too, then we have suddenly 4 factors. and the original statement fits again.

7 0

3 years ago

Convert each fraction to a decimal. Classify the decimal as terminating, non-terminating, repeating, or nonrepeating. If the dec

mixas84 [53]

Answer:

0.375

Step-by-step explanation:

I just divided 3 and 8

8 0

3 years ago

A production manager at a wall clock company wants to test their new wall clocks. The designer claims they have a mean life of 1

Harman [31]

The probability that the mean clock life would differ from the population mean by greater than 12.5 years is 98.30%.

Given mean of 14 years, variance of 25 and sample size is 50.

We have to calculate the probability that the mean clock life would differ from the population mean by greater than 1.5 years.

μ=14,

σ= $\sqrt{25}$ =5

n=50

s orσ =5/ $\sqrt{50}$ =0.7071.

This is 1 subtracted by the p value of z when X=12.5.

So,

z=X-μ/σ

=12.5-14/0.7071

=-2.12

P value=0.0170

1-0.0170=0.9830

=98.30%

Hence the probability that the mean clock life would differ from the population mean by greater than 1.5 years is 98.30%.

Learn more about probability at brainly.com/question/24756209

#SPJ4

There is a mistake in question and correct question is as under:

What is the probability that the mean clock life would differ from the population mean by greater than 12.5 years?

5 0

2 years ago

Find the smallest number that is exactly divisible by 144 192 and 168

svlad2 [7]

Answer:

2 is your answer. hope helpful answer

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=x_%7B123%7D%20x%5E%7B2%7D" id="TexFormula1" title="x_{123} x^{2}" alt="x_{123} x^{2}" align="a

Vikentia [17]

Multiply x123 by x2 by adding the exponents x125

4 0

3 years ago

Read 2 more answers