jazzlynminniefield04 jazzlynminniefield04
  • 01-12-2020
  • Mathematics
contestada

11)
If y varies directly as and y= 10 when x = 2, then what is the value of y when x = 4?
A)
2.5
B)
20
C)
40
D)
80


Respuesta :

emoly656 emoly656
  • 01-12-2020
B.) 20
If x goes from 2 to 4 it was multiplied by 2. you would do the same to the y. 10*2=20
Answer Link
s1m1
s1m1 s1m1
  • 01-12-2020

Answer:

B)20

Step-by-step explanation:

y=10 when x=2 and varies directly so y=5*x

when x=4 then y=5*x=5*4=20

Answer Link

Otras preguntas

I need help with this pls!!
What is the image of the point (0, -1) after a rotation of 180° counterclockwise about the origin?
If 100 offspring were produced from The Crossing shown in the Punic Square below, approximately how many what have a wrinkled pod shape? R
How are the algae a important part of the food chain?
which party won the presidential election held on 11th of August 1979?​
How can you separate sand, sugar and gravel
. A 20.0 % by mass solution of phosphoric acid (H3PO4) in water has a density of 1.114 g/mL at 20°C. What is the molarity of this solution? The molar mass of p
C’est quoi un récit linéaire? Avec détail svp
A 49 gram sample of an unknown metal requires 717 Joules of energy to heat it from 30.5◦C to 101◦C. What is the specific heat of this metal? Answer in units of
How does Jim Blair react to his son losing the ability to walk?