v8pprk5sp6 v8pprk5sp6

14-11-2021
Mathematics

contestada

So if y varies directly as x, and y=21 when x=3. What is x when y=42?

Respuesta :

chetankachana chetankachana

14-11-2021

Answer:

x = 6

Step-by-step explanation:

Equation:

[tex]\frac{3}{21} = \frac{x}{42}\\\\Cross - multiply\\\\3 *42 = 21x\\\\126 = 21x\\\\x = 6[/tex]

-Chetan K

Answer Link

Otras preguntas

Is the word "closely" an adverb or adjective

I need a good speech topic about current events in our society that is debatable, exg global warming, should so and so stop doing so and so.

Given ~ and AB = 20, CA = 8, and US = 9, what is ST? Does anyone know?

what is a large piece of the earth's crust that stands above the oceans

Miguel painting letters of alphabet on cubes. he will paint one letter of the alphabet on each cube. he knows that there are 26 letters in the alphabet. how man

When butter is heated it melts and when that melted butter cools and solidifies the process called

which two square numbers have a difference of 51?

Which team has represented the AFC in the Super Bowl the most times?

what is 24/100 in its simplest form

What is the degree of comparison of the underlined modifier? Suzanne is a gifted ballet dancer. A. superlative B. positive C. comparative