ellie6705 ellie6705

03-01-2018
Mathematics

contestada

If y varies directly with x and y=30 when x=-10, find the value of x when y=4

A. -4/3
B. 4/3
C. -3
D. -12

Explain

Respuesta :

habeebmusa24 habeebmusa24

03-01-2018

If y∞x then y=kx where k is constant to find k
k=y/x then substitute the values
k=30/-10=-3 to find x when y is 4
x=y/k=4/-3=-4/3 option A

Answer Link

Otras preguntas

Which equation or graph represents a non proportional relationship

Evaluate j/k -0.2k when j=25 and k=5

the following data reflects the number of defects produced on a assembly line at the Deerfield electronics company for the past 8 days 345013231008104312534230

A deciduous forest biome ___. A. has the same climate wherever it is located B. is located only in one continent C. has not been changed by human actions D. is

Hi hi. I have a legit question now. If the mean is 52$ and the standard deviation is 3$ how do you find the z score? My problems for this are A. Less than 50 B

What are global interactions?

Read the scenario. A car moves 30 mi/h to the north. Every second, the velocity increases by 3 mi/h. Which option represents the acceleration as a vector quanti

Which of the following is a solution to this inequality? Y>2/3x+2 A. (0,3) B. (-3,1) C. (3,5) D. (1,2)

Why did France donate a massive statue to the United states

Express the following 48-bit binary MAC address in hexadecimal 11101100 – 00100111 – 10111001 – 11010101 – 01101111 – 10100011