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aivan3 [116]
3 years ago
10

The number of tacks in a 12oz box is normally distributed with a mean of 55 tacks and a standard deviation of 3 tacks. Suppose t

hat 600 different 12oz boxes are in a warehouse. About how many boxes contain less than 52 nails?
96
408
78
204
Mathematics
1 answer:
igor_vitrenko [27]3 years ago
8 0
I believe the answer is 408
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Which of the following represents a line with a slope of 4, x-intercept of (2, 0) and a y-intercept of (0, -8)?
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2 years ago
The sum of two numbers is 12. The first number,X, is twice the second number,y, which system of equations could be used to find
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Answer:

y=4, x=8

Step-by-step explanation:

system:

x+y = 12, x=2y

convert to 1 variable, simplify:

2y+y=12

3y=12

y=4

x=2y=4*2=8

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Tom has 3 kids, the product of their ages is 72. What is the sum of their ages?
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3 years ago
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The ratio between the volumes of two cubes is 125 to 216. what is the ratio between their respective surface areas?
MAVERICK [17]
Volume of a cube is length * width * height. Because it's a cube, all of these lengths are the same measurement so rather than doing V = l*w*h, we can do one of the measurements cubed, let's call it x.

So Volume = x³. So if we are given the volume, we can the length by doing the cube root. 

∛125 = 5
∛216 = 6

Surface area of a cube = 6x². So now we plug both of these measurements into the formula. 

For 5:

SA = 6(5)² = 6(25) = 150

For 6:

SA = 6(6)² = 6(36) = 216

The ratio of their surface areas is 150:216 or if you simplify it by dividing both by the GCF of 6, 25:36
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