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Sergio039 [100]
3 years ago
11

An open-top box is formed by cutting squares out of an 11 inch by 17 inch piece of

Mathematics
1 answer:
Mashutka [201]3 years ago
4 0

Given:

The volume V(x) in cubic inches of this type of  open-top box is a function of the side length x in inches of the square cutouts and can be given by

V(x)=(17-2x)(11-2x)(x)

To find:

The above equation by expanding the  polynomial.

Solution:

We have,

V(x)=(17-2x)(11-2x)(x)

Using distributive property, we get

V(x)=[17(11-2x)-2x(11-2x)](x)

V(x)=[17(11)+17(-2x)-2x(11)-2x(-2x)](x)

V(x)=[187-34x-22x+4x^2](x)

Combining likes terms, we get

V(x)=[187-56x+4x^2](x)

Using distributive property, we get

V(x)=187x-56x^2+4x^3

V(x)=4x^3-56x^2+187x

Therefore, the required equation after expanding the  polynomial is V(x)=4x^3-56x^2+187x.

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Ginger buys lunch at school every day. She always gets
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Answer:

The estimated probability that Ginger will eat a a pizza everyday of the week is;

D. 8/10 = 80%

Step-by-step explanation:

The given parameters are;

The frequency with which Ginger buys launch = Everyday

The percentage of the time the cafeteria has pizza out = 80%

The outcome of 0 and 1 = No pizza available

The outcome of 2, 3, 4, 5, 6, 7, 8, and 9 = Pizza available

Therefore, we have the;

Group number  {}                          Percentage of time pizza available

1                     {}                          80%

2                     {}                          80%

3                     {}                          80%

4                     {}                          80%

5                     {}                          40%

6                     {}                          100%

7                     {}                          80%

8                     {}                          100%

9                     {}                          80%

10                     {}                          80%

Therefore, the sum of the percentages outcome the days Ginger eats pizza = 0.8 + 0.8 + 0.8 + 0.8 + 0.4 + 1 + 0.8 + 1 + 0.8 + 0.8 = 8

The number of runs of simulation = 10 runs

The estimated probability that Ginger will eat a a pizza everyday of the week = (The sum of the percentages outcome the days Ginger eats pizza)/(The number of runs of simulation)

∴ The estimated probability that Ginger will eat a a pizza everyday of the week = 8/10

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54 divide 3*3=54 is the answer
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