sam3210 sam3210
  • 05-01-2021
  • Mathematics
contestada

Suppose y varies directly with x. When
X is 2, y is 10. What is y when x is 4?

Respuesta :

yrajkumari
yrajkumari yrajkumari
  • 05-01-2021
x:y

2/10 = 4/x

Cross multiply

2x X= 10x4

2x = 40

Eliminate

2x/2 = 40/2

x = 20
Answer Link

Otras preguntas

A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg)?
An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be 8? Express your answer as a fraction in
kilo-  -  1,000deka-  -  10How much larger is a kilo- than a deka-?
Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how long will it take her to pick 486 berries?
Which best describes Germany’s standard invasion strategy at the beginning of World War II?a. Attack with a combination of speed and overwhelming forceb. Intimi
A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg)?
What is the value of 1-18+25 if you subtract then add? If you add then subtract?Why is order of operations necessary?
An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be 8? Express your answer as a fraction in
Factor the expression -10x^2-41x-21
How do you know when to use L'hospital's rule?