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andrew11 [14]
3 years ago
5

The base of a pyramid has n sides. write an expression for the number of corners on the pyramid.

Mathematics
1 answer:
melisa1 [442]3 years ago
7 0

Answer:

n+1

If a pyramid has n number of sides

⇒number of vertices in the base = n

Since in a pyramid there is one vertex on the top,and n number of faces are on the sides,and one face is in the base.

Total number of faces of pyramid = n+1

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A new 2006 Honda head was values at $25000. It depresides at a rate of 13% a year.
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Answer:

1. It's value in 2009 was $16,462.575

2. It's value in 2020 will be $3,558.

Step-by-step explanation:

The equation for the value of car after t years has the following format.

V(t) = V(0)(1-r)^{t}

In which V(t) is the value after t years, V(0) is the initial value and r is the ratio of depreciation.

In this problem, we have that:

V(0) = 25000, r = 0.13

So

V(t) = V(0)(1-r)^{t}

V(t) = 25000(1-0.13)^{t}

V(t) = 25000(0.87)^{t}

1. What was its value in 2009

2009 is 3 years after 2006, so this is V(3)

V(t) = 25000(0.87)^{t}

V(3) = 25000(0.87)^{3}

V(3) = 16462.575

It's value in 2009 was $16,462.575

2.What will be its value in 2020?

2020 is 14 years after 2006, so this is V14)

V(t) = 25000(0.87)^{t}

V(14) = 25000(0.87)^{14}

V(14) = 3558

It's value in 2020 will be $3,558.

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Answer:

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Step-by-step explanation:

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Answer:

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