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Flura [38]
3 years ago
6

Lina packs 3-inch cups into boxes measuring 12 inches by 15 inches . How many cups fit in one box

Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0

Answer:

The answer is 60 cups

Step-by-step explanation:

First you need to find the area of the box which would be

12in x 15in =180in

The second step wpuld be to divide the area of the box by how tall the cups are

180/3 = 60

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What is 2 + 2, minus 4?
Archy [21]

Answer:

0

Step-by-step explanation:

2 + 2 = 4 and then 4 - 4 = 0

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3 years ago
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F the domain is {0, 2, -6}, what is the range of y = -2x + 3?
makkiz [27]

Answer:

3,-1,15

Step-by-step explanation:

(0,3)  (2,-1)  (-6,15)

8 0
3 years ago
9) p(a) = a) – 3a; Find p(-2)<br> A) 18<br> B) 198<br> C) -110<br> D) -2
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6 0
2 years ago
Suppose 40% of all college students have a computer at home and a sample of 64 is taken. What is the probability that more than
Art [367]

Answer:

0.13093

Step-by-step explanation:

Give. That :

Population mean = 40% = 0.4

Sample size (n) = 64

Probability that more than 30 have computer at home

Mean = np = 64 * 0.4 = 25.6

Standard deviation = sqrt(n*p*(1-p)) = 3.919

P(x > 30)

USing the relation to obtain the standardized score (Z) :

Z = (x - m) / s

Z = (30 - 25.6) / 3.919 = 1.1227353

p(Z < 1.122) = 0.13093 ( Z probability calculator)

6 0
2 years ago
The probability that a student uses Smarthinking Online Tutoring on a regular basis is 0.31 . In a group of 21 students, what is
Ivenika [448]

Answer: 0.0241

Step-by-step explanation:

This is solved using the probability distribution formula for random variables where the combination formula for selection is used to determine the probability of these random variables occurring. This formula is denoted by:

P(X=r) = nCr × p^r × q^n-r

Where:

n = number of sampled variable which in this case = 21

r = variable outcome being determined which in this case = 5

p = probability of success of the variable which in this case = 0.31

q= 1- p = 1 - 0.31 = 0.69

P(X=5) = 21C5 × 0.31^5 × 0.69^16

P(X=5) = 0.0241

4 0
3 years ago
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