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3 years ago

Ava is crafting dinosaurs for a diorama. She uses pound of clay to make

Mathematics

1 answer:

gregori [183]3 years ago

3 0

Answer:

one pound per dinosaur

Step-by-step explanation:

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A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t

FinnZ [79.3K]

Answer:

(19229.11 ,20770.89)

Step-by-step explanation:

We are given the following information:

Sample size, n = 17

Sample mean = 20,000 pounds

Sample standard deviation = 1,500 pounds

Confidence level = 95%

Significance level = 5% = 0.05

95% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 16 and}~\alpha_{0.05} = \pm 2.119$

$20000 \pm 2.119(\displaystyle\frac{1500}{\sqrt{17}} ) = 20000 \pm 770.89 = (19229.11 ,20770.89)$

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4 years ago

Middle school math problem.....

Lynna [10]

Answer:

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Step-by-step explanation:

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3 years ago

Max is taking 38 children for rides in

dem82 [27]

Answer: 8 turns

Step-by-step explanation: 5 children at a time, so 5*8=40, which is the closest to 38

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3 years ago

Which of these could be the graph of f(x)=5•(0.4)^

nikdorinn [45]

The answer is A buddy >:D

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3 years ago

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Help me plz <br><br> 3 (2x - 2) - 2 (x - 2)

Anton [14]

Answer:

4x - 2

Step-by-step explanation:

3(2x - 2) - 2(x - 2) [Distributive Property]

6x - 6 - 2x + 4

4x - 2

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3 years ago

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