spongebob451
spongebob451 spongebob451
  • 10-05-2020
  • Mathematics
contestada

A.
Suppose that y varies with x, and y = 15 when x = 6. Write an equation
B.
Find y when x = 7
whats y?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 10-05-2020

Answer:

y = 5/2x

y = 35/2

Step-by-step explanation:

direct variation

y = kx

Substitute the values for x and y

15 = k(6)

Divide each side by 6 yo find k

15/6 = k

5/2 = k

The equation is y = 5/2 x

Now we know x =7

y = 5/2(7)

y = 35/2

Answer Link
Аноним Аноним
  • 10-05-2020

Answer:

y is 15

Step-by-step explanation:

Answer Link

Otras preguntas

Find the unit rate: $2 for 5 cans of dog food
Ms. Russell has 24 students in her class. 3/8 of the class went out for recess. 1/4 went to the library. The rest stayed in the classroom.a. What fraction of th
Why did the Spanish government decide to expand its lands in North America?
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 5.8 m/s2
What is the main function of Ribosome, and Nucleus?
Which ordered pair is not a point on the graph of y=-x+5
Name a strait in the southern part of south America.
HELP PLEASE!!! Is the following sentence true or false? Flagellates living in symbiosis always harm the animal in which they live.
How did americans react to the events in Europe and asia in the early world war 2?
the square root of 49 is how much less than four squared