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Luden [163]
3 years ago
9

Which is the most effective way to obtain a random sample of your school population

Mathematics
1 answer:
Ierofanga [76]3 years ago
8 0
Ask every fifth person that exits the school
(systematic random)
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Deondra surveyed 240 of the students in her school about their favorite color.
Leviafan [203]

Answer:

the answer is 180 students.

Step-by-step explanation:

I got this by subtracting 15 by 100 and got 75. This means 75% chose purple. Then you take 75% of 240 and that's your answer

4 0
2 years ago
Please help I need to get this done before feb 3rd
ArbitrLikvidat [17]

Answer:

3 is less then then it's..

7x n -3

5 0
2 years ago
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Students are finding it difficult to determine if a certain graph is a function. Which is the BEST strategy for the students to
tekilochka [14]

Answer:

A) vertical line test



6 0
2 years ago
Melinda and Marcus are saving money to purchase a present for a friend. Each friend starts with an amount and also saves a speci
Goshia [24]
Let's find the rates at which Melinda and Marcus are saving money and compare them. 
Based on the table, we can see that Melinda originally had $75. Then she got $135 in 5 weeks.  So the rate of saving money is (135–75)/5 = $12 per week.
This rate is unchanged for the next weeks. As we can see, she got $195 in the next 5 weeks. So she saved $60 more those 5 weeks, or the rate is $60/5 = $12 per week again. 

So Melinda saved $12 per week.
As for Marcus, the equation tells us that the rate of saving money is $14 which is the coefficient in front of x.

Hence, t<span>he rate at which Melinda is adding to her savings each week is 2$
less than the rate at which Marcus is adding to his savings each week.</span>
5 0
3 years ago
Read 2 more answers
Sean used candle molds, as shown below, to make candles that were perfect cylinders and spheres:
abruzzese [7]
56.52 in^3

V(cylinder) = pi * r^2 * h
V = pi * 3^2 ^ 6
V = pi * 9 * 6
V = 54pi

V(sphere) = (4/3) * pi * r^3
V = (4/3) * pi * 3^3
V = (4/3) * pi * 27
V = 36pi

54pi - 36pi = 18 pi
18 * 3.14 = 56.52
4 0
3 years ago
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