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kozerog [31]
3 years ago
10

Mario rode his bicycle 15 miles in 3 hours. How many miles did he ride in 1 hour?

Mathematics
2 answers:
stich3 [128]3 years ago
5 0

Answer:

5

Step-by-step explanation:

15 divided by 3 = 5

11Alexandr11 [23.1K]3 years ago
5 0
5 miles hopefully this helpssss
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Answer: -3

Step-by-step explanation:

y2-y1/x2-x1

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3-0/0-1 = -3/1

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3 years ago
pls solve quickly!: It took a boat 2 hours to reach town A going upstream. The way back was 1h20 min. What is the speed of the b
goldenfox [79]

Answer:

15 mph

Step-by-step explanation:

Given: Boat took 2 hours to reach Town A going upstream.

           Speed of stream= 3 mph

           Time taken to reach back home= 1 hours 20 minutes

Lets assume distance covered one side be "d" and speed of boat in still water be "s".

∴ Speed of boat in upstream= (s-3) \ mph

   Speed of boat in downstream= (s+3)\ mph

Also converting into fraction of time taken to reach back home.

Remember; 1 hour= 60 minutes

∴ Time taken to reach back home= 60+20= 80\ minutes

Converting time given into fraction= \frac{80\ minutes}{60\ minutes} = \frac{4}{3} \ hours

hence, Time taken to reach back home is \frac{4}{3} \ hours

Now forming equation of boat travelling upstream and downstream, considering distance remain constant.

We know, Distance= speed \times  time

⇒ (s-3)\times 2= (s+3)\times \frac{4}{3}

Using distributive property of multiplication

⇒2s-6= \frac{4}{3}s +4

subtracting both side by \frac{4}{3} s

⇒2s-\frac{4}{3} s-6= 4

Adding both side by 6

⇒ 2s-\frac{4}{3} s= 10

taking LCD as 3

⇒ \frac{2}{3} s= 10

Multiplying both side by \frac{3}{2}

⇒s= \frac{3}{2} \times 10

∴s= 15 mph

Hence, 15 mph is the speed of the boat in still water.

8 0
3 years ago
This is just a test, but what’s 17 to the power of 9
Ganezh [65]

Answer:

118,587,876,497

Step-by-step explanation:

17^{9} = 17 * 17 * 17 * 17 * 17 * 17 * 17 * 17 * 17 = 118,587,876,497

7 0
3 years ago
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ElenaW [278]

Answer:

A'=(5/2,-5/2)

therefore A'(2.5,-2.5)

Step-by-step explanation:

8 0
2 years ago
What is the factored form of 27d^6+8g^12​
likoan [24]

Answer:

The second one is the best answer to your question

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