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Paraphin [41]
1 year ago
13

The bar diagram represents 24 hours in one day and shows a mark at 30%If you sleep 30% of the day, how many hours do you sleep?

Enter your answer in the box24Hours sleptPercent0%30%100%hoursPlease help
Mathematics
1 answer:
horrorfan [7]1 year ago
8 0

Let:

100%---------------->24h

30%------------------>xh

Using cross multiplication:

\begin{gathered} \frac{100}{30}=\frac{24}{x} \\ solve_{\text{ }}for_{\text{ }}x\colon \\ x=\frac{30\cdot24}{100} \\ x=\frac{720}{100}=7.2h \end{gathered}

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2 years ago
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5. The amount of time, t, to finish a race and<br> the number of laps, I, around a track
lana [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
5 ports Use absolute value to express the distance between -12 and -15 on the number line. |-12 - (-15) = -27​
zloy xaker [14]

Answer:

Distance = 3

Step-by-step explanation:

Given

-12 and -15

Required

Solve the difference

The question you posted included the solution. However, the solution is incorrect;

The absolute difference is represented as:

Difference = \vert a - b \vert

In this case:

a = -12

b = -15

So, the distance is calculated as:

Distance = |-12 - (-15)|

Open bracket

Distance = |-12 +15|

Distance = |3|

Distance = 3

3 0
3 years ago
Five time the difference of a number and seven is twenty-five.”
Tom [10]
5(x-7) = 25
x-7 = 25/5=5
x = 5+7=12
6 0
3 years ago
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