2 years ago

Need this quickkkkkk

Mathematics

2 answers:

Alexus [3.1K]2 years ago

6 0

Answer:

Step-by-step explanation:

cestrela7 [59]2 years ago

4 0

Answer:

It’s b

Step-by-step explanation:

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A ball rolls down an inclined plane such that the distance (in centimeters) that it rolls in t seconds is given by s(t) = 2t^3 +

IRISSAK [1]

The ball's velocity will be represented by the derivative of its distance function:

$s'(t)=6t^2+6t$

Now find the times $t$ for which this is equal to 30, i.e. solve

$6t^2+6t=30\implies t^2+t-5=0$

This has two solutions, $t=-\dfrac{1\pm\sqrt{21}}2$ , but only one is positive and falls in the interval $[0,3]$ . So the velocity reaches 30 cm/s when $t=-\dfrac{1-\sqrt{21}}2\approx1.79$ .

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3 years ago

A room is 12 feet wide by 35 feet long. How far (in feet) is it from one corner of the room to the opposite corner measuring dia

Ugo [173]

Answer:

The Correct Answer is 37 feet long.

Step-by-step explanation:

The Calculator can confirm, if we know that the 2 sides small sides are 12 and 35 we know that the hypotenuse is 37 feet long, therefore your answer is...

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Which scatterplot shows the strongest negative linear correlation

Andreyy89

Answer:it’s c

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