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3 years ago

185 calories in 5 hours is _____ calories per hour (Unit rates)

Mathematics

2 answers:

Lina20 [59]3 years ago

6 0

Answer:

Step-by-step explanation:

To find the number of calories per hour, you need to divide

185 ÷ 5 = 37

When divided, you get the unit rate or <em>37 calories per hour</em>

poizon [28]3 years ago

4 0

185 divided by 5 = 37

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Heather, a sociology major is interested in studying mass media topics. She is particularly interested in the percentage of mass

Serhud [2]

Answer:

Null hypothesis: $p=0.72$

Alternative hypothesis: $p \neq 0.72$

$p_v = 2*P(|z|>z_{calc})$

And the best answer for this case is:

C. p-value

Step-by-step explanation:

Data given and notation

n represent the random sample taken

$\hat p$ estimated proportion of interest

$p_o=0.72$ is the value that we want to test

$\alpha=0.05$ represent the significance level

z would represent the statistic (variable of interest)

$p_v$ represent the p value (variable of interest)

Concepts and formulas to use

We need to conduct a hypothesis in order to test the claim that the true proportion i 0.72 or no.:

Null hypothesis: $p=0.72$

Alternative hypothesis: $p \neq 0.72$

When we conduct a proportion test we need to use the z statistic, and the is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

The One-Sample Proportion Test is used to assess whether a population proportion $\hat p$ is significantly different from a hypothesized value $p_o$ .

For this case the only probability that can be calculated from the statistic calculated is the p value given by:

$p_v = 2*P(|z|>z_{calc})$

And the best answer for this case is:

C. p-value

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3 years ago

1. Suppose Tony and Rita are racing. Tony starts 50 ft ahead of the starting line because

dmitriy555 [2]

Answer:

234t3y345yhh

Step-by-step explanation:

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3 years ago

Mr. Rose spent $63 for a sport jacket and a pair of slacks. If the jacket cost $33 more than the slacks, how much did he pay for

alexdok [17]

J + s = 63 and j - s = 33 because if the jacket cost 33 more than the slacks then you start with the jacket and subtract the slacks which are 33 less than the jacket you have 33.

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3 years ago

Read 2 more answers

\frac { 6 ^ { n + 2 } - 6 ^ { n } } { 6 ^ { n + 1 } + 6 ^ { n } }

Sindrei [870]

Answer:

Step-by-step explanation:

Given expression:

$\dfrac{6^{n+2}-6^n}{6^{n+1}+6^n}$