jenniferramirez24 jenniferramirez24
  • 25-06-2020
  • Mathematics
contestada

Direct Variation: If y = 9, when x = -3, find x when y = -27. a.9 b.27 c.-27 d,-9

Respuesta :

caitsrose13 caitsrose13
  • 25-06-2020

Answer:

a. 9

Step-by-step explanation:

[tex]k = \frac{9}{-3} = -3\\y = -3x\\-27 = -3x\\\frac{-27}{-3} = \frac{-3x}{-3} \\9 = x[/tex]

Answer Link
Persona1613
Persona1613 Persona1613
  • 25-06-2020

Answer:

a. 9

Step-by-step explanation:

because the orginal number was 9 and the newer one is -27 we can determine that y was multiplied by -3 so you would apply the same rule to -3 or x and you would get a product of 9 because two negatives equals a postive

Answer Link

Otras preguntas

The difference of seven halves and six quarters is multiplied by negative two fifths. Find this rational number.
Please can some one explaine fore me What is work done
If f(x) = x²-5x and g(x) = 2x-3, which expression represents the product of these two functions?1) x²-3x-32) 2x³-13x²+15x3) 9x²-15x4) 2x³-15x
How can you check if drew the right graph 1. by looking at the slope2. looking at the intercepts3. by taking random points on your graph by using this equation
what is answer to 12=4x what is x
What Was the Alaska Purchase?
What Are the Pros and Cons of Auditory Learning?
which of the following is a risk specific to online gaming?A. chatting with people you don't knowB. role-playingC. personal powerD. community building
What Is the State Motto of Nevada?
??? What is Continuing Education?