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IceJOKER [234]
3 years ago
8

Sarah wants to find out how much time it would take to drive from her home to New York. At an average, she would drive at 55 mil

es per hour. If the distance to be covered is 1150 km and a mile equals 1.61 km, how much time will the trip take (to the nearest hour)? 13 hours 21 hours 29 hours 34 hours
Mathematics
2 answers:
Serjik [45]3 years ago
8 0

Answer:

13 hours

Step-by-step explanation:

1. Convert the miles to kilometers.

55\frac{miles}{hour}*\frac{1.61km}{1mile}=  88.55\frac{km}{hour}

2. Calculate how many hours Sarah spends travelling the distance of 1150 knowing that she spends 1 hour covering 88.55 kilometers.

1150km*\frac{1h}{88.55km}=12.98hours

3. Rounding to the nearest hour the trip take 13 hours to be covered.

denpristay [2]3 years ago
3 0

Answer: 13 hours

Step-by-step explanation:

Given : Average speed = 55 miles per hour.

Distance : d=1150\ km

Since ,  A mile = 1.61 km

Then, Distance ( in miles): d=\dfrac{1150}{1.61}=714.285714286\approx714.29\text{ miles}

Formula for Time :

\text{Time}=\dfrac{\text{Distance}}{\text{Speed}}\\\\\Rightarrow\ \text{Time}=\dfrac{714.29}{55}\\\\\Rightarrow\ \text{Time}=12.9870909091\approx13\text{ hours}

Hence, the trip will take approximately 13 hours .

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FromTheMoon [43]

Answer:

Let d be the remaining distance.

Let t be the remaining time.

The standard distance equation is:

d = rt

We are given the rate as 2, so:

d = 2t

At the start of the walk, the remaining distance is 3 miles.

The remaining time is 1.5 hours.

At the end of the walk, the remaining distance is 0 miles.

The remaining time is 0 hours.

A graph of the distance and time would be a continuous, solid line. That's because the walker will be at every distance between 3 and 0 and every time between 1.5 and 0.

Answer:

The graph of this would be a solid line

5 0
3 years ago
Folders are on sale for $0.15 each. Notebooks are $4.25 each. There are 225 students in 7th grade. What is the total amount it w
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$1023.75

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2*.15=.30 + 4.25= 4.55

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7 0
3 years ago
4 out of 9 dogs weigh less than 20 pounds. What is the decimal equivalent for the number of dogs weighing under 20 pounds?
iVinArrow [24]

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6 0
3 years ago
99. What is the greatest prime factor of 5,355?<br> A. 17<br> B. 51<br> C. 119<br> D. 131<br> E. 153
NemiM [27]
Hello,

5355 is divisble by 3 since 5+3+5+5=18 is divisible by 3
5355=3*1785
1785 is divisble by 3 since 1+7+8+5=21 is divisible by 3
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595 is not divisible by 3 but by 5
595=5*119
119 is divisible by 7 since 1*2+1*3+9*1=14 is divisible by 7.
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17 is prime
Answer A



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Bu using Pythagoras theorem
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