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daser333 [38]
3 years ago
5

Choose the best definition for the term: variable

Mathematics
1 answer:
Whitepunk [10]3 years ago
3 0
A: a letter that holds the place for some unknown value in mathematics
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A Ferris wheel can accommodate 65 people in 30 minutes how many people could ride the Ferris wheel in 2 hours what was the rate
erik [133]

65 \times 4 = 260
260 can ride the ferris wheel in 2 hours.
65 \times 2 = 130
130 people is the rate per hour.
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Please help! I don't wanna fail!
ahrayia [7]

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32.55

Step-by-step explanation:

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You are planning to make an open rectangular box from aa 4141​-in.-by-8181​-in. piece of cardboard by cutting congruent squares
marissa [1.9K]

Answer:

13058.83 cubic inches

Step-by-step explanation:

Given that a rectangular box is having dimensions as 41x81 inches.

Let x be the side of square cut from all the four corners.

The open box made would have height as x and length 41-2x with width 81-2x

Volume =

V(x) = x(41-2x)(81-2x)\\V(x) =x(3321-244x+4x^2)\\V(x) = 3321x-244x^2+4x^3\\V'(x) = 3321-488x+12x^2\\V"(x) = -488+24x\\

Equate first derivative to 0

We get applicable root as x = 8.642

Max volume = 13058.83 cubic inches

3 0
3 years ago
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