Donya ran a 3k race at a constant speed in 21 minutes 30 seconds. At this speed, how long does it take her to run 1k?

Mathematics

2 answers:

Illusion [34]3 years ago

7 0

Answer:

7 minutes 10 seconds.

Step-by-step explanation:

Donya ran a 3 k race at a constant speed = 21 minutes 30 seconds

1 minutes = 60 seconds

21 minutes 30 seconds = 21 + (30/60) = 21.5 minutes

At this speed it would take her to run 1 k race $=\frac{21.5}{3}$

= 7.17 minutes

7.17 minutes = 7 + (0.17 × 60) = 7 minutes 10 seconds

At this speed it takes her 7 minutes 10 seconds to run 1 k race.

Zigmanuir [339]3 years ago

4 0

Answer:

7 minutes and 10 secs

Step-by-step explanation:

You might be interested in

A small hole in the wing of a space shuttle requires a 20.7 cmଶ patch. What is the patch’s area in square kilometers (kmଶ )? If

Reptile [31]

Answer:

look it up

Step-by-step explanation:

3 0

2 years ago

The following table represents the sample space of rolling two number cubes.

alex41 [277]

We just need to count the number of outcomes that have exactly one even number. The total number of outcomes is 36. We see that from the first row, the number of outcomes that qualify are 3: 1-2, 1-4, 1-6 (out of the 6 total outcomes). For the 2nd row, again there are 3: 2-1, 2-3, 2-5. It is obvious by now that for any row, whether the number is even or odd, there are 3 outcomes on that row that correspond to rolling exactly one even number. Hence, there are in total 6*3=18 favorable outcomes.

4 0

2 years ago

Read 2 more answers

Slope =1 /2 point passes through the (-8,1) what is the equation

Archy [21]

Hope it helps you...

Thank you!!