3 years ago

Which shows the expanded form of the number 54.98?

Mathematics

1 answer:

mamaluj [8]3 years ago

5 0

A. It’s easy answer correct.

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The seats at a local baseball stadium are arranged so that each row has five more seats than the row below it. If there are 4 se

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a = 4; n = 23; d = 5

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3 years ago

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3 years ago

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At time t, the position of a body moving along the s-axis is sequalsnegative t cubed plus 15 t squared minus 72 t m. a. Find t

larisa [96]

Answer:

Step-by-step explanation:

Given that at time t, the position of a body moving along the s-axis is sequalsnegative t cubed plus 15 t squared minus 72 t m

i.e. $s(t) = -t^3+15t^2-72 t$

Velocity is nothing but s'(t) = derivative of s

and acceleration is s"(t) = derivative of v(t)

$v(t) = -3t^2+30t-72\\=-3(t^2-10t+24)\\= -3(t-6)(t-4)$

a) v(t) =0 when t = 4 or 6

b) $a(t) = -6t+30$

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c) Distance travelled by the body from 0 to 5 would be

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i.e. 110 miles (distance cannot be negative)

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3 years ago