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2 years ago

4

kayla walked 1 1/4 miles from home to school. then she walked 1 3/4 miles from school to the store and 2 1/2 miles from the stor

e to thr library. How many miles did kayla walk from school to the library

2 answers:

BartSMP [9]2 years ago

4 0

4.25 miles long from school to library

mr Goodwill [35]2 years ago

4 0

She walked 5 1/4 miles, hope I helped :)

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Maridel wants to find out how many of her classmates plan to come to the next football game. There are 800 students in her schoo

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Answer:

Maridel wants to find out how many of her classmates plan to come to the next football game. There are 800 students in her school. She selects a sample of the population by putting the names of every student into a bag and drawing out 100 names.

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<u>D) Her method will produce a representative sample.</u>

E) Her method will produce an invalid sample.

Step-by-step explanation:

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A college student is interested in testing whether business majors or liberal arts majors are better at trivia. The student give

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Answer:

There is no significant difference between the two averages at 5% level

Step-by-step explanation:

Given that a a college student is interested in testing whether business majors or liberal arts majors are better at trivia.

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$H_0: Mean of business majors = Mean of liberal arts majos\\H_a:Mean of business majors \neq Mean of liberal arts majos$

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2 years ago

5 bricklayers can lay a total of 50 bricks in 30 minutes. How many bricklayers will

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Answer:

First look at the number of bricks alone.

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Next look at the time alone.

Going from 30 minutes to 20 minutes is more work, thus it will require more people. The number of people would be the ratio of the 2. Since the number must be larger, you know the numerator must be the larger of the 2 numbers, so you get 30/20

Now you can just multiply everything.

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2 years ago

What is the volume of the prism? 1080 cm 2700 cm 3240 cm 6480 cm

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Answer:

Volume of prism = 3,240 cm³

Step-by-step explanation:

GIven.

Hexagonal prism.

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Height of prism = 9cm

Height of base (h)= 10cm

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Area of base of hexagonal prism = n/2[bh]

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2 years ago