Erinizc00l
Erinizc00l Erinizc00l
  • 13-01-2016
  • Mathematics
contestada

Which ratios are proportional to 14 : 21? Choose all answers that are correct.
A. 2 : 3
B. 3 : 2
C. 28 : 63
D. 56 : 84

Respuesta :

empem empem
  • 13-01-2016
2 : 3 (reduced by a factor of 7 from 14 : 21) and 56 : 84 (increased by a factor of 4)
Answer Link
EpicTomato EpicTomato
  • 13-01-2016
Let's turn that ratio into a fraction: 14/21

14/21... Let's pull some common factors out.

If I remember my times tables, 7 fits into both 14 and 21 so let's divide the top and bottom by 7:
2/3

And 2/3 is the same as 2:3
Answer Link

Otras preguntas

When you set out to buy a blue ray player for yourself, factors you might consider for might consider before purchase
En 2014 sur 750 parlement européen le Danemark en occupe 1,73% . Calculer le nombre de sièges réservés au Danemark .
Sketch a cross-section of a hydraulic cylinder and piston.​
Explain in detailed on the following: 1. Memory Managing Unit 2. Swapping devices
Taong napiling kapanayamin: . 1. Pasalaysay:. 2. Patanong: 3. Patanong:. 4. Pautos: 5. Padamdam: Pa sagot
A cyclist rides his bike at 30 km/h. What is the rate of miles per hour
The lifetime of a certain brand of an electric bulb may be considered a RV with mean 1200h and standard deviation 250h. Find the probability, using central limi
use the historgram below to answer each question
Use the figure to find the measure of 1
Kwala sa bolelo. 1 Thuto e nka se tsogeng ke e lebetse. ​