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user100 [1]
2 years ago
8

A box with a square base and no top is to be made from a square piece of carboard by cutting 4 in. squares from each corner and

folding up the sides. The box is to hold 1444 in3. How big a piece of cardboard is needed
Mathematics
1 answer:
Lunna [17]2 years ago
7 0

Answer:

C=27inch\ by\ 27inch

Step-by-step explanation:

Squares h=4inch

Volume v=1444in^3

Generally the equation for Volume of box is mathematically given by

 V=l^2h

 1444=l^2*4

 l^2=361

 l=19in

Since

Length of cardboard is

 l_c=19+4+4

 l_c=27in

Therefore

Dimensions of the piece of cardboard is

C=27inch\ by\ 27inch

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3

Step-by-step explanation:

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I hope this is right :)

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Suppose the round-trip airfare between Philadelphia and Los Angeles a month before the departure date follows the normal probabi
QveST [7]

Answer:

52.74% probability that a randomly selected airfare between these two cities will be between $325 and $425

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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This is the pvalue of Z when X = 425 subtracted by the pvalue of Z when X = 325. So

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Answer:

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