Seudónimo Seudónimo
  • 24-06-2020
  • Mathematics
contestada

The value of y varies directly with x, and y = 40 when x = -5. Find y when x = 8

Respuesta :

Centio33
Centio33 Centio33
  • 24-06-2020

Answer: y=-64

Step-by-step explanation:

From the first sentence: the value of y varies directly with x:

y∝x

y=cx where c=variation constant

When y=40 x=-5

40=-5c

Therefore c=-8

To find y when x=8

y=cx where c=-8 and x=8

y=-8*8

y=-64

Answer Link

Otras preguntas

plz help..................
How was military housing commonly reused after World War II?
who was the japanese ruler who called his reign the "enlightenment rule"?
What is one advantage that the system illustrated below gives to countries that are involved in the global economy? A. It permits developing nations to comp
Why did monarchs often claim the divine right of kings?
In scene 2, why is friar laurence in a panic when he finds out that his letter was not delivered to romeo?
All the angles in a rectangle are right angles. ABCD is a rectangle. Using deductive reasoning, what can we conclude? Only A is a right angle. A is not a right
Which group felt school was not necessity and tax should not be spent on them
Who controlled India for the British in the 1700’s? a. Siddhartha Gautamac. the sepoysb. the Dalitsd. the British East India Company
During replication the strands of a double stranded dna molecule separate when the bonds are broken between their paired bases. explain why, in terms of the gen