3 years ago

I'f a chef cooked 8 kilograms the guests ate 6/8 how much did they eat

Mathematics

2 answers:

Nadya [2.5K]3 years ago

8 0

6 kilograms is the awnser

Vladimir79 [104]3 years ago

8 0

8 divided by 8 is one. Every kilo gram is one eighth. 1 times 6 is 6. They ate 6 kilo grams.

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Kazeer [188]

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-1/5

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2 years ago

Read 2 more answers

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 $t=-\dfrac{1-\sqrt{21}}2\approx1.79$ .