2 years ago

The graph shows time and distance traveled for two objects.

Mathematics

2 answers:

lianna [129]2 years ago

6 0

C is the answer for the question

Papessa [141]2 years ago

5 0

Answer:

Step-by-step explanation:

I had the same question on my test, it's D. Trust me.

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Bess [88]

Answer:

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Step-by-step explanation:

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2 years ago

The class sizes of elementary school classes in a public school district are normally distributed with an unknown population mea

weqwewe [10]

Answer: $(17.14,\ 22.86)$

Step-by-step explanation:

The confidence interval estimate for the population mean is given by :-

$\overline{x}\pm ME$ , where $\overline{x}$ is the sample mean and ME is the margin of error.

Given : Sample mean: $\overline{x}=20$

The margin of error for a 98% confidence interval estimate for the population mean using the Student's t-distribution : $ME=2.86$

Now, the confidence interval estimate for the population mean will be :-

$20\pm2.86=(20-2.86,\ 20+2.86)=(17.14,\ 22.86)$

Hence, the 98% confidence interval estimate for the population mean using the Student's t-distribution = $(17.14,\ 22.86)$

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2 years ago

The mass of a piece of aluminum is 250 grams. The density of aluminum is 2.7 g/mL. What is the volume of the piece of aluminum?

Virty [35]

The density of aluminum is known to be 2.70 g/cm3

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2 years ago

Which problem situation matches the equation? -2 + 5 – 6 = X

mezya [45]

The answer is -9 for sure

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2 years ago

Plz plz plz plz plz answer <br><br> Solve 5x + 3 = 23 using inverse operations.

svetlana [45]

Answer:

Step-by-step explanation:

3- 3

23 - 3

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4 x 5 + 3 = 23, so X is 4.

4 0

2 years ago

Read 2 more answers