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tatyana61 [14]
2 years ago
12

The distance traveled (d) varies directly as the time (t) of

Mathematics
1 answer:
Helen [10]2 years ago
6 0

Answer:

2.70 hours to travel 180 mi.

Step-by-step explanation:

The distance traveled (d) varies directly as the time (t) of travel, by the following formula:

s = \frac{d}{t}

In which s is the velocity.

It takes 63 min to travel 70 mi.

So i am going to find the velocity in miles per minute

s = \frac{70}{63} = 1.11

how many hours would it take to travel 180 mi?

I am first going to find the time in minutes, then divide by 60 to pass to hours.

s = \frac{d}{t}

st = d

t = \frac{d}{s}

t = \frac{180}{1.11}

t = 162.16

It takes 162.16 minutes = 162.16/60 = 2.70 hours to travel 180 mi.

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Yasmeen bought 16 pizzas for her grade level classes.
torisob [31]

Answer:

183.20

Step-by-step explanation:

9.95x16=159.20

159.20+24=183.20

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3 years ago
Is the quotient of<br> (-5) ➗ (-7) a rational number? Explain your answer in two or more sentences.
ValentinkaMS [17]
-5/-7 = 5/7 = 0.71428577142857... The decimal form of the fraction never ends, so 5/7 is not a rational number
3 0
3 years ago
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L and ben are drivers for sd trucking company. one snowy day, ben left sd at 8:00
Whitepunk [10]

Alright, lets get started.

Ben left at 8:00 AM and Al left at 11:00 AM.

Suppose dispatcher retrieves data after t hrs when Al left SD.

We know the average speed of Al = 40 miles per hr

So, distance covered by Al = Time * speed

Distance covered by Al = 40 t

We know average speed of Ben = 20 miles per hr

As we know Ben left SD 3 hrs before, time taken by Ben will be 3 hrs higher than AL means (t+3)

So distance covered by Ben = 20 (t + 3)

Total distance covered by both will be = 40 t + 20 (t+3)

Total distance covered by both will be = 40 t + 20 t + 60

Total distance covered by both will be = 60 t + 60

But as per given in question, total distance covered by both is 240 miles.

Hence making both equal,

60 t + 60 = 240

Subtracting 60 from both sides

60 t + 60 - 60 = 240 - 60

60 t = 180

Dividing 60 in both sides

\frac{60 t }{60}  = \frac{180}{60}

t = 3 hrs

It means it was 11:00 AM + 3 hrs means 2:00 PM when dispatcher retrieve data. : Answer

Hope it will help :)

3 0
3 years ago
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vlabodo [156]
The answer is 75/8 or in other words about 10 days. I can't explain it though sorry. =(
6 0
2 years ago
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Noah ran 2 1/2 miles in 3/5 hour. How far does he run in 1 hour?
victus00 [196]

Step-by-step explanation:

0.6 hours = 2.5 miles

=> 1 hour = 2.5 miles * (1/0.6) = 4.16 miles.

Hence Noan runs 4.16 miles in 1 hour.

(or 25/6 miles)

8 0
2 years ago
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