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4 years ago

What two numbers make 42? i know i keep asking these questions!

2 answers:

8 0

The formula to solve this would be:

X x Y = 42
There are at least two combinations of two numbers that you can multiply together to get 42.For your convenience, we have made a list of all the combinations of two numbers multiplied by each other that will make 42:
1 x 42 = 42
2 x 21 = 42
3 x 14 = 42
6 x 7 = 42
7 x 6 = 42
14 x 3 = 42
21 x 2 = 42
42 x 1 = 42

mezya [45]4 years ago

8 0

21+21= 42
40+1=42
38+4+42
26+16=42
and ect.

You might be interested in

Work out the surface area of this cylinder radius 2cm and height 4cm pls help

Alex

Step-by-step explanation:

surface area of cylinder is

2×pi×r (h+r)

2×22/7×2 (4+2)

88/7 (4+2)

75.4 cm square

6 0

3 years ago

A university's housing and residence office wants to know how much students pay per month for rent in off-campus housing. The un

Shkiper50 [21]

Answer:

a) For this case the population of study is " the 12,304 students who live in off-campus housing and have not yet graduated " since the objective of the study is know how much students pay per month for rent in off-campus housing. So thn th epopulation size is N = 12304.

b) They select 200 students who live in off-campus housing and have not yet graduated selected using random sampling from the total population of 12304. So the sample size is n=200

As we can see in the info they got response just for 78 questionairres, so then the response rate is (78/200)*100 =39% and the non response rate is 100-39= 61.

So at the end the final sample consist on 39% of the original sample with 78 responses available for the analysis.

For this case we can redefine the sample as "The k students selected at random who live in off-campus housing and have not yet graduated and answer the mail questionairries ". And as we can see we have a better definition fo the real sample for this situation.

Step-by-step explanation:

Previous concepts

The term population represent to the total set of observations in a sample space S defined, and with an specified characteristics.

The term sample represent a set of individuals or objects who are a subsample of the population who are "collected or selected from a statistical population by a defined procedure".

Part a

For this case the population of study is " the 12,304 students who live in off-campus housing and have not yet graduated " since the objective of the study is know how much students pay per month for rent in off-campus housing. So thn th epopulation size is N = 12304.

Part b

They select 200 students who live in off-campus housing and have not yet graduated selected using random sampling from the total population of 12304. So the sample size is n=200

As we can see in the info they got response just for 78 questionairres, so then the response rate is (78/200)*100 =39% and the non response rate is 100-39= 61.

So at the end the final sample consist on 39% of the original sample with 78 responses available for the analysis.

3 0

3 years ago

A substance abuse researcher wants to know whether reaction time is decreased by frequent alcohol use. He randomly selects 164 a

ella [17]

Answer:

We conclude that the reaction time is increased or remains same by frequent alcohol use.

Step-by-step explanation:

We are given that a substance abuse researcher wants to know whether reaction time is decreased by frequent alcohol use. He randomly selects 164 alcoholics and finds that their mean reaction time (in ms) to a stimulus equals 283.

Reaction times to the stimulus in the general population are distributed normally with a mean equal to 281 and a standard deviation equal to 28.

Let $\mu$ = mean reaction time after alcohol use.

So, Null Hypothesis, $H_0$ : $\mu$ $\geq$ 281 {means that the reaction time is increased or remains same by frequent alcohol use}

Alternate Hypothesis, $H_A$ : $\mu$ < 281 {means that the reaction time is decreased by frequent alcohol use}

The test statistics that would be used here One-sample z test statistics as we know about population standard deviation;

T.S. = $\frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n}}}$ ~ N(0,1)

where, $\bar X$ = sample mean reaction time (in ms) = 283

$\sigma$ = population standard deviation = 28

n = sample of alcoholics = 164

So, test statistics = $\frac{283-281}{\frac{28}{\sqrt{164}}}$

= 0.915

The value of z test statistics is 0.915.

Now, at 0.01 significance level the z table gives critical value of -2.3263 for left-tailed test. Since our test statistics is more than the critical values of z, so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to which we fail to reject our null hypothesis.

Therefore, we conclude that the reaction time is increased or remains same by frequent alcohol use.

5 0

3 years ago

Does anyone have a paid subscription to explore Learning/gizmos?

leonid [27]

Answer:

Yes its not free I wanted to be in learning gizmos but my parents couldn't afford it.

Love, lavenderhelper

8 0

3 years ago

How many times does 3/4 go into 6

uranmaximum [27]

6 3
1 4
Reciprocal
6 4
1 3
Multiply normally
6*4=24
1*3=3
24/3=8
I hope this helps;)

3 0

3 years ago

Read 2 more answers