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Crank
3 years ago
6

As part of a statistics project, a teacher brings a bag of marbles containing 600 white marbles and 300 red marbles. She tells t

he students the bag contains 900 total marbles, and asks her students to determine how many red marbles are in the bag without counting them. A student randomly draws 150 marbles from the bag. Of the 150 marbles, 54 are red. The data collection method can best be described as Survey Controlled study Clinical study Census The target population consists of The 300 red marbles in the bag The 900 marbles in the bag The 150 marbles drawn by the student The 54 red marbles drawn by the student None of the above The sample consists of The 54 red marbl
Mathematics
1 answer:
aev [14]3 years ago
4 0

Djdjsjdbdbdjjdsjjdsjsjsjfyddhdhdhhdsjsjsisi

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How many cubic blocks of side length
Andrei [34K]

Answer:

To find how many blocks it would take in each of these scenarios, you could find the total volume and then divide by the volume of each smaller cube.

1.  3/7 x 3/7 x 3/7 = 27/343 cubic inches

    1/7 x 1/7 x 1/7 = 1/343 cubic inches

27/343 cubic inches  divided by 1/343 cubic inches = 27 cubes.

2.  3/7 x 1/7 x 3/7 = 9/343 cubic inches

9/343 cubic inches divided into groups of 1/343 cubic inches is 9 cubes.

3.  2/6 x 2/6 x 2/6 = 8/216 cubic inches

8/216 cubic inches divided by 1/216 cubic inches is 8 cubes.

Another way to think of it would be for #1, each 3/7 of an inch would be 3 groups of 1/7, so 3 x 3 x 3 for each dimension would result in 27 cubes.

For #2, it would be 3 groups of 1/7, one group of 1/7 and another 3 groups of 1/7, so 3 x 3 is 9 cubes.

For #3 it would be 2 groups of 1/6 three times, so 2 x 2 x 2 = 8 cubes.

 

 

Step-by-step explanation:

8 0
2 years ago
What is the perimeter of the base, p, of this square-based pyramid? (attached image
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32in

Step-by-step explanation:

8in + 8in + 8in + 8in = 32in

8 0
3 years ago
What is the answer for the equation n+11=2n
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n+11=2n\\
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3 years ago
Determine the domain and range of the graphed function
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B

Step-by-step explanation:

5 0
3 years ago
Yumiko solved |x|>5 by solving x>-5 and x<5. explain the error yumiko made
Whitepunk [10]

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Step-by-step explanation:

I believe that s/he switched the signs around so

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