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3 years ago

PLEASE HELP I WILL GIVE BRAINLY! I need you to do lcm and gcf of all of these,

Mathematics

2 answers:

Elenna [48]3 years ago

7 0

Answer:

60 ; 36 ; 90

GCF: 9

LCM: 1260

27 ; 14 ; 42

GCF: 1

LCM: 378

46 ; 84 ; 148

GCF: 2

LCM: 71484

30 ; 150 ; 90

GCF: 30

LCM: 450

25 ; 45 ; 125

GCF: 5

LCM: 1125

22 ; 42 ; 122

GCF: 2

LCM: 28182

25 ; 50 ; 100

GCF: 25

LCM: 100

12 ; 24 ; 72

GCF: 72

LCM: 12

100 ; 300 ; 900

GCF: 100

LCM: 900

18 ; 36 ; 180

GCF: 18

LCM: 180

Step-by-step explanation:

that took while

If you have any questions feel free to ask - Mark

katen-ka-za [31]3 years ago

6 0

Answer:

1. Gcf = 9

2. Gcf = 1

3. Gcf = 2

4. Gcf = 30

5. Gcf = 5

6. Gcf = 2

7. Gcf = 25

8. Gcf = 12

9. Gcf = 100

Step-by-step explanation:

I think, I don’t know the other one.

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alina1380 [7]

Answer:

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Step-by-step explanation:

Mean is the total numbers added up divided by the # of numbers.

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3 years ago

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yan [13]

Answer:

No, there is not sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 434 gram setting.

This means that the null hypothesis is:

$H_{0}: \mu = 434$

It is believed that the machine is underfilling the bags.

This means that the alternate hypothesis is:

$H_{a}: \mu < 434$

The test statistic is:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

434 is tested at the null hypothesis:

This means that $\mu = 434$

A 9 bag sample had a mean of 431 grams with a variance of 144.

This means that $X = 431, n = 9, \sigma = \sqrt{144} = 12$

Value of the test-statistic:

$z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$z = \frac{431 - 434}{\frac{12}{\sqrt{9}}}$

$z = -0.75$

P-value of the test:

The pvalue of the test is the pvalue of z = -0.75, which is 0.2266

0.2266 > 0.01, which means that there is not sufficient evidence to support the claim that the bags are underfilled.

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3 years ago