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nika2105 [10]
3 years ago
5

On Tuesday, 14 students handed in a permission slip for a field trip. On Thursday, twice as many students handed in their permis

sion slip than on Tuesday. On Friday, an additional 7 students turned in their permission slip. What expression could be used to find the total number of permission slips handed in?
14 x 2 + 7
14 + (2 x 14) + 7
14 + (2 x 7)
14 ÷ (2 x 7) + 14
Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0
14+(2x14)+7 is the correct answer.
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A coach surveyed a random sample of 200 college athletes about their height.
JulijaS [17]

Answer:

i. A bar graph is an appropriate display.

ii. A bar graph is appropriate because the frequencies are given.

Step-by-step explanation:

A bar graph is a graphical method that can be used to present an information from a sample of data. It requires drawing of bars of equal width and distance with respect to the information given.

While a pie chart is a method that requires presenting information in a circular chart with respect to each data in sectors of different central angles.

For the given question, the most appropriate method to use is the bar graph with respect to the given information. Thus, the statements that are correct about the data in the table are:

i. A bar graph is an appropriate display.

ii. A bar graph is appropriate because the frequencies are given.

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3 years ago
The bumper car ride at the state fair has 2 red cars, 4 green cars, an for the ride and is assigned a the probability that both
ollegr [7]

Answer:

a)  3.6%

Step-by-step explanation:

The given question mixed up, below is the correct question:

The bumper car ride at the state fair has 2 red cars, 4 green cars, and 2 blue cars. Garth is first in line for the ride and is assigned a car at random.  Patty is next in line and is randomly assigned a car. Find the probability that both events A and B occur. Express your answer as a percent. If necessary, round your answer to the nearest tenth.

Calculation:

Given that the state fair has 2 red cars, 4 green cars and 2 blue cars.

There are therefore 2+4+2 = 8 cars in total.

Probability that Events A occurs P(A) = \frac{2}{8} = 4

Probability that Events B occurs P(B) = \frac{1}{7}

Probability that Events A and B occur P(A ∩ B) = \frac{2}{8} × \frac{1}{7} = \frac{2}{56} = 0.0357 = 3.57%  ≈ 3.6%

Therefore, the probability that both events A and B occur is 3.6%

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i think its 10

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Read 2 more answers
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