3 years ago

A#9-5

Mathematics

1 answer:

In-s [12.5K]3 years ago

7 0

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Write.82 as a percent and a fraction.

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Answer:

82% and 82/100 (or 41/50)

Step-by-step explanation:

multiply 100 times .82 to get the percent

.82 is 82/100

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algol13

(X - 4 ) x 2 = X

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1. The position of a particle moving along a coordinate axis is given by: s(t) = t^2 - 5t + 1. a) Find the speed of the particle

zimovet [89]

Answer: $\left | 2t-5\right |,\ 2,\ 2t-5$

Step-by-step explanation:

Given

Position of the particle moving along the coordinate axis is given by

$s(t)=t^2-5t+1$

Speed of the particle is given by

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Acceleration of the particle is

$\Rightarrow a=\dfrac{dv}{dt}\\\\\Rightarrow a=2$

velocity can be negative, but speed cannot

$\Rightarrow v=\dfrac{ds}{dt}\\\\\Rightarrow v=\dfrac{d(t^2-5t+1)}{dt}\\\\\Rightarrow v=2t-5$

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