tabby2020 tabby2020

18-06-2020
Mathematics

contestada

Q is directly proportional to r.
Q is 76 when r is 20.
Work out q when r is 45

Respuesta :

Ejiro180 Ejiro180

18-06-2020

Answer:

171

Step-by-step explanation:

Q~r

find k (k is the constant)

Q=kr

76=k×20

76=20k divide 20 on both sides giving you

k=3.8

then Q=k×r

Q=3.8×45

Q=171

Answer Link

Otras preguntas

Two corresponding sides of triangles are 2cm and 5cm. What is the area of the second triangle if the first one is 8cm?

Which of these processes formed the Mid-Atlantic Ridge? A. the convergence of the oceanic plates B. the convergence of continental plates C. the divergence of o

what is the answer to 8.(x.4)

Ten people will equally share three pizzas. How much will each person receive?

The diagram below shows the moon at several places in it's orbit around the Earth... At which location would the moon most likely be in a CRESCENT phase (just a

Absorption Costing Income Statement On October 31, the end of the first month of operations, Maryville Equipment Company prepared the following income statemen

x -2y=6-x + 2y + 6 = 0

Write an inequality for “the horse traveled at most 4 miles per hour.”

Lula is reading a book for school that is 175 pages long. So far, she has read 50 pages. She can read 25 pages per hour. How many hours will it take her to fini

An antique collectible has a value of $235 right now. It will increase in value by 9% each year. Find the value the collectible after 16 years, A.$2115 B. $1017