One hour after a hiker left a camp, a cyclist set out to catch up. If the hiker traveled 3 miles per hour and the cyclist travelled 6 miles per hour faster, how long will it take the cyclist to catch up with the hiker?

Answers

Answer 1
Answer: d=rt
when the distances traveled are the same, they are at the same place (caught up)

the time that the cyclist travels in that distance is t
the times that the hiker travels in that distance is t+1 (1 hour head start)

if hiker rate=3mph
and cyclist=3+6=9mph, then find the distance

hikerdistance=hikderdistance
3(t+1)=9t
3t+3=9t
minus 3t
3=6t
divide both sides by 6
1/2=t
the answer is 1/2 hour after the cyclist left, or 1 and 1/2 hour after the hiker left
Answer 2
Answer:

0.5 hours it will take the cyclist to catch up with the hiker and this can be determined by equating the distance.

Given :

  • One hour after a hiker left a camp, a cyclist set out to catch up.
  • The hiker traveled 3 miles per hour and the cyclist traveled 6 miles per hour faster.

Let the total distance be 'd'. Let the time taken by the hiker to travel distance 'd' be 't' then the time taken by the cyclist is (t+1).

The speed of the hiker is 3 miles per hour and the speed of the cyclist is (6 + 3 = 9) 9 miles per hour.

The distance travel by both hiker and cyclist is 'd'.

Hiker Distance = Cyclist Distance

3(t  + 1) = 9t

3t + 3 = 9t

3 = 6t

t = 0.5 hour

0.5 hours it will take the cyclist to catch up with the hiker.

For more information, refer to the link given below:

brainly.com/question/2263981


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Joanna split three pitchers of water equally among her eighth plants. What fraction of a pitcher did each player get? A.1/8 of a pitcher

B.1/7 of a pitcher

C.3/8 of a pitcher

D.8/3 of a pitcher

Answers

C. Since 3÷8=3/8. You could also multiply 3/8×8 which is simply adding 3 eight times.

How to explain 3,482,000,000 in scientific notation

Answers

By definition, we have:

Scientific notation, also called pattern or notation in exponential form, is a way of writing numbers that accommodate values too large (100000000000) or small (0.00000000001) to be written in a conventional manner.

A number written in scientific notation follows the following pattern:

The number m is called "mantissa" and e the "order of magnitude"

For this case we have the following number:

Using the definition we have:

Answer:

The number written in scientific notation is given by:

3.482 * 10 ^ 9

Your answer:

3.482 x 10⁹

Twenty two quarts is equivalent to how many gallons?
4.5
5.5
C
6.5
7.5

Answers

Answer:

5.5 gallons

Step-by-step explanation:

There are 4 quarts in 1 gallon.

22 ÷ 4 = 5.5

I hope this helps :)

Pat and Julie share some money in the ratio 2 : 5Julie gets £45 more than Pat.
How much money did Pat get?

Answers

Answer:

22.50

Step-by-step explanation:

the ratio is 2:5 so if julie got 45 then pat would get half of what julie got

45 divided by 2

Calculate the sum of the infinite series

Answers

Answer:

S_\infty=250.

Step-by-step explanation:

The given infinite series is  50+40+32+(128)/(5)+....


The first term of this series is a_1=50.


The common ratio is r=(40)/(50).

\Rightarrow r=(4)/(5).


The sum of this infinite series is given by the formula,


S_\infty=(a_1)/(1-r)


We now substitute all the above values in to this formula obtain,


S_\infty=(50)/(1-(4)/(5))


This implies that,

S_\infty=(50)/((1)/(5))


This simplifies to,


S_\infty=50* 5


S_\infty=250.


The correct answer is C.





What is the theoretical probability that the coin will land on tails

Answers

1/2 cause their are two probabilities out of 2
heads = 1
tails = 1
A coin would land on tails about 50% considering there is 2 sides to it, if it had to land on it again then 1/4.