All categories

3 years ago

Tonya runs 8 kilometres in 60 minutes. At a rate how long would it take her to run 2 kilometers

Mathematics

2 answers:

MatroZZZ [7]3 years ago

7 0

(60 minutes / 8 km)*(2 km) = 60/4 = 15 minutes

quester [9]3 years ago

6 0

Answer: 15 minutes

Step-by-step explanation:

Given : Tonya runs 8 kilometres in 60 minutes.

We know that the rate of distance covered with respect to time is given by :-

$\dfrac{\text{Distance}}{\text{Time}}$

Rate of distance covered with respect to time for Tony= $\dfrac{8}{60}$ kilometers per minute

Let t be the time taken by her to run 2 kilometers.

Then, Rate of distance covered with respect to time = $\dfrac{2}{t}$

If rate remains the same, then we have

$\dfrac{2}{t}=\dfrac{8}{60}\\\\\Rightarrow\ t=\dfrac{60\times2}{8}=15$

Hence, it would take 15 minutes to run 2 kilometers.

You might be interested in

The product of two consecutive positive integers is 272. What is the sum of the two integers?

Mekhanik [1.2K]

Answer:

the sum of two integers is 33

explanation:

the numbers are

5 0

3 years ago

Why is apr an important tool for consumers

My name is Ann [436]

Answer:

APR, or annual percentage rate, is your interest rate stated as a yearly rate. An APR for a loan can include fees you may be charged, like origination fees. APR is important because it can give you a good idea of how much you'll pay to take out a loan.

6 0

2 years ago

The high school took two field trips to the Newport Aquarium many many years ago. They used school buses and vans to transport a

il63 [147K]

Answer:

bus = 43

van 12

Step-by-step explanation:

This can be solved using simultaneous equations

Let v represent the number of students that a van carries

Let b represent the number of students that a bus carries

the following equations can be derived from the question

3v + 2b = 122 eqn 1

5v + 3b = 189 eqn 2

Multiply eqn 1 by 5 and eqn 2 by 3

15v + 10b = 610 eqn 3

15v + 9b = 567 eqn 4

Subtract equation 4 from 3

b = 43

Substitute for b in equation 1

3v + 2(43) = 122

solve for v

v = 12

5 0

3 years ago

The sum of two positive integers, a and b, is at least 30. The difference of the two integers is at least 10. If b is th

Dafna11 [192]

Answer:

$a + b \geq 30$

$b - a \geq 10$

Step-by-step explanation:

Given

The sum of the two positive integer a and b is at least 30, this means the sum of the two positive integer is 30 or greater than 30, so we write the inequalities as below.

$a + b \geq 30$

The difference of the two integers is at least 10, if b is the greater integer then we subtract integer a from integer b, so we write the inequality as below.

$b - a \geq 10$

Therefore, the following system of inequalities could represent the values of two positive integers a and b.

$a + b \geq 30$

$b - a \geq 10$

6 0

3 years ago

Use the law of cosines to find the value of 2*3*4 cos theta.

daser333 [38]

The law of cosines :

A^2 = B^2 + C^2 - 2BC cos A

2^2 = 3^2 + 4^2 - 2 . 3. 4 cos theta

= 21

hope this helps

3 0

3 years ago

Read 2 more answers