immanueljobent30 immanueljobent30

10-01-2020
Mathematics

contestada

If a varies directly as b and a=3 when b=12, what is the value of a when b=18?

Respuesta :

josshyaby josshyaby

11-01-2020

Answer:

Step-by-step explanation:

a & b

a = kb

a = 3 and b = 12

k = a/b

k = 3/12

k = 1/4

a = b/4

Finding a when b = 18

a = 18/4

a = 9/2

a = 4 1/2

Answer Link

Otras preguntas

Why are some examples of a chemical reaction not actually foolproof evidence that of a chemical reaction?13, 8th grade, and I'm doing my science lab report: The

Why are some examples of a chemical reaction not actually foolproof evidence that of a chemical reaction?13, 8th grade, and I'm doing my science lab report: The

vesicles that contain a cells digestive enzymes are called ?

vesicles that contain a cells digestive enzymes are called ?

log3(2x-5)=2 Answer is 41/2. Why?

(−2x0y3 )(4x2y4 )+(2y5 )(3xy)2

add and simplify 9/16=1/2=?

Alex built a snowman using three snowballs,one small, one medium and one large, with diameters in the ratio 2:3:5. Although highly unlikely due to the phys

Alex built a snowman using three snowballs,one small, one medium and one large, with diameters in the ratio 2:3:5. Although highly unlikely due to the phys

I need help for algebra 2 for simplify form for example (3x-2i)(3x+2i)

good job