friend25 friend25
  • 21-10-2019
  • Mathematics
contestada

4) Suppose y varies directly with x, and y = 7 when x = 2. Find y when x = 21.

Respuesta :

roy42069 roy42069
  • 21-10-2019

Answer:

73.5

Step-by-step explanation:

y=kx

where k is a constant

y=7

x=2

7=2k

k=3.5

what about when x=21

y=3.5*21

y=73.5

Answer Link

Otras preguntas

Anne bought a necklace for each of her three sisters. She paid $7 for each necklace. Suppose she had $9 left. Write and solve an equation to find how much money
A building with a height of 40 ft casts a shadow that is 16ft long. A person standing next to the building casts a shadow that is 2ft long. How tall is the pers
Answer to this question please ASAP
How do you know it is a outside angle
Todd is using the benchmark 1/2 to compare fractions. Which statement is not correct. A 5/6 less than a 1/2
You have had a class discussion on the following question:What are the pros and cons of keeping fit ? Now your teacher has asked you to write a composition on t
70% of what number is 35 ?
Why does Estella in the great expectations belittle pip?
What are the factors of -72 that add up to -15
What is the sin, cos, and tan of -495 degrees, and -20π/3  ??