3 years ago

Yada rode her bike at a constant speed

Mathematics

1 answer:

tino4ka555 [31]3 years ago

8 0

To find the answer, divide 7.2 miles by 3 hrs, this would get you to answer B, 2.4 miles per hour

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Answer:

9 inches

Step-by-step explanation:

Given that,

For the graph, 1/2 inch represents 20 miles.

We need to find the distance between the cities on the map if the actual distance between the two cities is 360 miles.

1/2 inch = 20 miles

1 mile = $\dfrac{\dfrac{1}{2}}{20}=0.025\ \text{inches}$

For 360 miles, = 0.025 × 360

= 9 inches

Hence, the required answer is 9 inches.

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3 years ago

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3 years ago

Two six sided die are rolled, one after another. In the sample space of all possible results, how many of the sums are not great

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3 years ago

You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who ow

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Answer:

Test statistic =1.30

Step-by-step explanation:

Given that you are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats.

Men Women Difference

Sample size n 60 120

Proportion p_1, p_2 0.45 0.35 0.10

60 120 180

0.45 0.35 0.383333333

27 42 69

p = 0.3833

Std error for proportion difference = $\bar p (1-\bar p)(\frac{1}{n_1}+\frac{1}{n_2})\\=0.3833(0.6167)(\frac{1}{60}+\frac{1}{120})\\=0.0769$

Test statistic = $\frac{p_1-p_2}{\bar p (1-\bar p)(\frac{1}{n_1}+\frac{1}{n_2}) }$

= $1.3008$

=1.30

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3 years ago

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Answer:633

Step-by-step explanation:

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3 years ago

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