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anzhelika [568]
3 years ago
10

On average shawnte drinks 1/2 of a 6 ounce glass water 2/3 hour. How much water does she drink in an hour

Mathematics
2 answers:
Helen [10]3 years ago
6 0

Answer:

4.5 glass water in 1 hour

Step-by-step explanation:

1/2 of 6 = 3    3 ounces every 2/3 hour

1 hour=60 minutes

2/3 hour = 40 minutes

3/40=0.075  (each minute he drinks 0.075 oz)

60* 0.075= 4.5 in 60 minutes

 

     

   

kirill115 [55]3 years ago
5 0

1/2 of 6 = (1/2)*6 = 0.5*6 = 3

Shawnte drinks 3 ounces of water in 2/3 hrs.

3 oz = 2/3 hr

3*(3 oz) = 3*(2/3 hr) .... multiply both sides by 3

9 oz = 2 hrs

She drinks 9 ounces of water in 2 hrs

9/2 oz = 2/2 hrs .... divide both sides by 2

4.5 oz = 1 hr

<h3>She drinks 4.5 ounces of water in 1 hour. </h3>
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Write an algebraic expression for the following word phrase. The quotient of 69 and x
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Hello!

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The quotient of two numbers means we divide one number by another number.

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6÷x

According to the example above, the algebraic expression looks like so:-

69÷x

<h3>note:-</h3>

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Isabella borrowed money to start a business.
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Answer:

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3 years ago
A box in the shape of a rectangular prism has a width that is 5 inches greater than the height and a length that is 2 inches gre
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The volume of the rectangular prism can be express in standard polynomial as follows:

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<h3>How to find the volume of a rectangular prism?</h3>

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7 0
2 years ago
A friend claims that it will rain today with probability 30% and tomorrow with probability four times as great as today. Which o
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Answer:

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5 0
3 years ago
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A weight suspended by a spring vibrates vertically according to the function D D given by D(t)=2sin(4π(t+18)) D ( t ) = 2 sin (
STALIN [3.7K]

Answer:

21.75 cm/s

Step-by-step explanation:

1 cm above central position means D = 1, so we plug in 1 into D(t) and find the time and which this occurs.

D(t)=2Sin (4\pi(t+18))\\1=2Sin (4\pi(t+18))\\\frac{1}{2}=Sin(4\pi t +72\pi)\\4\pi t + 72 \pi = \frac{\pi}{6}\\4\pi t = \frac{\pi}{6}-72\pi\\t=\frac{\frac{\pi}{6}-72\pi}{4\pi}

This is the time at which this occurs.

To find instantaneous rate of change, we differentiate D(t) and plug in this t we found. Remembering that d/dt (Sin t) = Cos t

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Now putting t:

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Thus, the instantaneous rate would be around 21.75 cm/s

8 0
3 years ago
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