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Kruka [31]
3 years ago
8

a person rides her bike 20 kilometers in .8 hours. At the rate given, how many kilometers can the person reach in 1 hour?​

Mathematics
2 answers:
Brut [27]3 years ago
8 0

Let assume that person is Mike.

  • 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 1 km distance.
ValentinkaMS [17]3 years ago
4 0

Answer:2.5km

Step-by-step explanation:

If you cover 20km in 8 hours

Then 1 hour is 20/8=2.5

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Plz Help.......
lana66690 [7]

Answer:

For product A, the product is increasing, for the bigger the number you plug into x (due to the fact that the numbers become bigger because of the time: year 1, year 2, etc)

Product A is 82% change rate, while

product B is 983.45/4 = 245.8625,  1756.16/3 = 585.3867

Product B is 245.8625/585.3867

product B is 42% change rate

Product A change rate is higher than Product B by 40%

Step-by-step explanation:

Hope this helped! :)

6 0
3 years ago
Which linear equation has no solution?
olga_2 [115]

Answer:

Option A

Step-by-step explanation:

Given:

  • a. 3x-5= 3x + 5
  • b. 3x-5= 3x - 5
  • c. 3x - 5 = 2x+5
  • d. 3x-5 = 2x + 10

To find:

  • Which one of the linear equations have no solution.

Solution:

a)  3x-5= 3x + 5

Add 5 to both sides

3x-5= 3x + 5

3x - 5 + 5 = 3x + 5 + 5

Simplify

(Add the numbers)

3x - 5 + 5 = 3x + 5 + 5

3x = 3x + 5 + 5

(Add the numbers)

3x  = 3x + 5 + 5

3x = 3x + 10

Subtract 3x from both sides

3x = 3x + 10

3x - 3x = 3x + 10 - 3

Simplify

(Combine like terms)

3x -3x = 3x + 10 - 3

0 = 3x + 10 - 3

(Combine like terms)

0 = 3x + 10 - 3

0 = 10

The input is a contradiction: it has no solutions

b)  3x-5= 3x - 5

Since both sides equal, there are infinitely many solutions.

c)  3x - 5 = 2x+5

Add 5 to both sides

3x = 2x + 5 + 5

Simplify  2x + 5 + 5 to 2x + 10

3x = 2x + 10

Subtract 2x from both sides

3x - 2x = 10

Simplify 3x - 2x to x.

x = 10

d) 3x-5 = 2x + 10

Add 5 to both sides

3x = 2x + 10 + 5

Simplify 2x + 10 + 5 to 2x + 15

3x = 2x + 15

Subtract 2x from both sides

3x - 2x = 15

Simplify 3x -2x to x.

x = 15

--------------------------------------------

Answer:

As you can see all c and d both have solutions, eliminating them as options. Option B has infinite solutions leaving Option A which has no solutions.

Therefore, <u><em>Option A</em></u> is the linear equation that has no solution.

3 0
2 years ago
Read 2 more answers
Write as a percent 3/7
Irina18 [472]

Answer:

Here is the answer:

42.857143%

Rounded would be:

42.9 or 42.3

Step-by-step explanation:

4 0
3 years ago
(07.07A LC) What best describes the function that is graphed below? A graph shows a slanting straight line that starts at the or
slavikrds [6]
Where are the graphs?????????
7 0
3 years ago
If the ratio is 50g to 300 ml how many ml would be needed for 83g
Natali [406]

Answer:

498 ml would be needed for 83g.

Step-by-step explanation:

♧We can solve using proportion.

\frac{50 \: g}{300 \: ml}  =  \frac{83 \: g}{x}  \\  \\  \frac{24900}{50}  =  \frac{50x}{50}  \\  \\ 498 = x

▪Happy To Help <3

4 0
3 years ago
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