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

How to solve a negative proportion

4. What are two forms of visual arts? Describe each.

A __ was one of many officials of ancient Rome.

5b) Explain why Elizabeth I faced many problems when she became Queen in 1558.

To enter new code that performs as intended in the place of the old code that produces an error is the goal of fixing code in a software program. writing

Patricio has a collection of dimes and quarters. overall he has 51 coins and their total value is $10.35.how many quarters and how many dimes does he have?

1. A sample of gas occupies 150 mL at 25°C. What is its volume when the temperature is increased to 50°C? (P and n = constant)

explain how education leads to social order?

Which ordered pair is a solution of this equation? -5x – 9y = - 8

Colin pays £766.45 a year on his car insurance. The insurance company increases the price by 5.4%. How much does the insurance cost now?