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stepan [7]
3 years ago
10

The weights of four puppies are shown in pounds. 9.5 ; 9 3 8 ; 9.125 ; 9 3 4 Which list shows these weights in order from greate

st to least? A) 9 3 4 ; 9.5 ; 9 3 8 ; 9.125 B) 9.5 ; 9 3 8 ; 9 3 4 ; 9.125 C) 9.125 ; 9 3 8 ; 9.5 ; 9 3 4 D) 9 3 4 ; 9 3 8 ; 9.5 ; 9.125
Mathematics
2 answers:
murzikaleks [220]3 years ago
8 0

Answer: 9.5 , 934 , 938 , 9.125

Step-by-step explanation:

brilliants [131]3 years ago
5 0

Answer:

9. 3/4, 9.5, 9. 3/8, 9.125

Step-by-step explanation:

  • put numbers in decimals
  • line all up
  • put them into greatest to least
  • done
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Which description can be written as the expression StartFraction 8 Over 21 n EndFraction?
frutty [35]

Answer: It is the quotient of 21 times and number and 8.

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3 years ago
6) Solve for x. 2/3 (x + 7) = 10 <br><br> A)22 <br><br> B)8 <br><br> C)- 1 /3 <br><br> D)41/ 3
Amiraneli [1.4K]

For this case we must find the value of the variable "x" of the following equation:

\frac {2} {3} (x + 7) = 10

We multiply by 3 on both sides of the equation:

2 (x + 7) = 30

We divide between 2 on both sides of the equation:

(x + 7) = 15\\x + 7 = 15

We subtract 7 on both sides of the equation:

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Answer:

Option B

7 0
3 years ago
A machine, when working properly, produces 5% or less defective items. Whenever the machine produces significantly greater than
vovikov84 [41]

Answer:

The pvalue of the test is 0.0007 < 0.01, which means that we reject the null hypothesis and accept the alternate hypothesis that the percentage of defective items produced by this machine is greater than 5%.

Step-by-step explanation:

A machine, when working properly, produces 5% or less defective items.

This means that the null hypothesis is:

H_0: p \leq 0.05

Test if the percentage of defective items produced by this machine is greater than 5%.

This means that the alternate hypothesis is:

H_a: p > 0.05

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.

0.05 is tested at the null hypothesis:

This means that \mu = 0.05, \sigma = \sqrt{0.05*0.95}

A random sample of 300 items taken from the production line contained 27 defective items.

This means that n = 300, X = \frac{27}{300} = 0.09

Value of the test statistic:

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

z = \frac{0.09 - 0.05}{\frac{\sqrt{0.05*0.95}}{\sqrt{300}}}

z = 3.18

Pvalue of the test:

Testing if the mean is greater than a value, which means that the pvalue of the test is 1 subtracted by the pvalue of Z = 3.18, which is the probability of a finding a sample proportion of 0.09 or higher.

Looking at the Z-table, Z = 3.18 has a pvalue of 0.9993

1 - 0.9993 = 0.0007

The pvalue of the test is 0.0007 < 0.01, which means that we reject the null hypothesis and accept the alternate hypothesis that the percentage of defective items produced by this machine is greater than 5%.

5 0
3 years ago
Please help ASAP!!! THANK YOU SO MUCH
Andrei [34K]
12. Divide total weight by weight of each. 1200 / 1.2 = 1000.
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3 years ago
Pls help! Show all work. Will reward the brainiest for da best answer.
BaLLatris [955]

Answer:

1. 56.52 inches

2. 141,300 inches

Step-by-step explanation:

One turn of the tire is the circumference. Therefore, we have to find the circumference first. C = πd = 18π = 18 × 3.14 = 56.52 in

2500 rotations would be 2500 ⋅ 56.52 in = 141,300 in

I hope this helps and please mark me as brainliest!

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