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Anna007 [38]
3 years ago
15

Mike is doing a bicycle race. He rides his bike 20 kilometers in 0.8 hours how many kilometer can he do in one hour?

Mathematics
2 answers:
dsp733 years ago
6 0
<span>Brad rides his bike 20 km. He covers the distance in 45 minutes (0.75 hours). What is his speed in kilometers per hour? A.44 km/hr B.15 km/hr C.9.0 km/hr D.27 km/hr

</span>
brilliants [131]3 years ago
6 0
  • Answer:

25 hrs took by Mike to cover the distance.

  • Step-by-step explanation:

We have been given that Mike is riding his bicycle. He rides at a speed of 0.8 kilometers per hour for 20

  • Let's write the data in simplest form.

Total distance covered by Mike = 20 km

Speed of bicycle = 0.8 km/hr

  • We have to find the time taken by Mike to cover the distance.

Here, Time is given by distance / Speed.

Time = Distance/Speed

Time = 20/ 0.8

Time = 25 hr

  • Therefore, 25 hrs took by Mike to cover the distance.
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A boat is being pulled into a dock with a rope attached to the boat at water level. When the boat is 12 feet from the dock, the
Natali5045456 [20]

Given :

A boat is being pulled into a dock with a rope attached to the boat at water level. When the boat is 12 feet from the dock, the length of the rope form the boat to the dock is 3 feet longer than twice the height of the dock above the water.

To Find :

The height of the dock.

Solution :

This will make a right angle triangle as given in link below .

Now , applying Pythagoras theorem :

(2h+3)^2=h^2+12^2\\\\4h^2+9h+9=h^2+144\\\\h^2+4h-45=0\\\\(h-5)(h+9)=0

Now , h = 5 or h = -9 .

Now , height cannot be negative .

So , height of the dock is 5 ft .

Hence , this is the required solution .

8 0
3 years ago
Colton wrote a ratio comparing the number of sports video games that he owns to the number of driving video games that he owns a
nordsb [41]

D. If you were to say the given ratio aloud, it would go something like this: 4 to 3, 4,3 or 4 sports video games to 3 driving ones. So, the answer is 4 to 3, or answer D.

6 0
3 years ago
I need the answer !!!
bonufazy [111]
I'm guessing you are looking for the answer on the first question, because I cannot read the rest of the second one lol.
So start with the volume of cone formula:  V=3.14(5)^2 (6/3)
157.08
157
H is the answer
4 0
3 years ago
Label the place value of 987,164.302
VladimirAG [237]
Hundred thousandths
5 0
3 years ago
The hours of daylight,y, in Utica in days, x, from January 1, 2013 can be modeled by the equation y=3.06sin(0.017x-1.40) + 12.23
defon
The month of January has 31 days, so from January 1st to February 14th, there are 31 + 14 or 45 days, namely x = 45.

y = 3.06 * sin[ 0.017(45) - 1.40 ] + 12.23.

make sure your calculator is in Degree mode.
8 0
3 years ago
Read 2 more answers
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