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Natasha2012 [34]
3 years ago
6

Whats the nth term of -1 -2 -3 -4 -5 ?

Mathematics
1 answer:
Fofino [41]3 years ago
5 0

Answer:

4n + 3

Step-by-step explanation:

d = (-5) - (-1)

= (-5) + 1

= (-4)

dn + (a - d)

4(n) + [(-1) - (-4)]

4n + [(-1) + 4]

<u>4n + 3</u>

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The load that can be supported by a rectangular beam varies jointly as the width of the beam and the square of itsâ height, and
storchak [24]

The question is incomplete.Here is the complete question.

The load that can be supported by a rectangular beam varies jointly as the width of the beam and the square of its length, and inversely as the length of the beam. A beam 13 feet long, with a width of 6 inches and a height of 4 inches can support a maximum load of 800 pounds. If a similar board has a width of 8 inches and a height of 7 inches, how long must it be to support 1300 pounds?

Answer: It must be 392 inches or approximately 33 feet.

Step-by-step explanation: According to the question, the measures (width, length and height) of a beam and the weight it supports are in a relation of <u>proportionality</u>, i.e., if divided, the result is a constant.

For the first load:

width = 6in

height = 4in

length = 13ft or 156in

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Then, constant will be:

\frac{6.4^{2}}{156} k = 800

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For the similar beam:

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A similar board will support 1300lbs if it has 392 inches or 32.8 feet long.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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