kellog851 kellog851

24-10-2020
Mathematics

contestada

Suppose y varies directly as x, and y = 5.4 when x = 9. Find x when y = 24.

Respuesta :

felixkings felixkings

24-10-2020

Answer:

[tex]x = 40.[/tex]

Step-by-step explanation:

[tex]if \: \: y = kx \: then \\ k = y \div x \: and \: x = y \div k \\ so \: k = 0.6 \: and \: x = 40 \: when \: y \: is \: 24.[/tex]

Answer Link

Otras preguntas

Which statement describes how phase changes can be diagrammed as a substance is heated? A)The phase is on the y-axis and the temperature is on the x-axis. B)The

Find the least number which must be added to 6203 to obtain a perfect square.Also, find the square root of the number so obtained.

What is the energy of light with a wavelength of 652 nm? (The speed of light in a vacuum is 3.00 x 108 m/s, and Planck's constant is 6.626 x 10-34 J·s.)O A 3.05

Calculate the change in internal energy of the following system: A balloon is cooled by removing 0.653 kJ of heat. It shrinks on cooling, and the atmosphere doe

Find the equation of the line with slope -1/2 and passing through (3,-1)

what.is the product 2x(x- 4)

What is the scale factor of this diagram a1/2 b1/3 c2 d3

A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12% of scores B: Scores below the top 12% and above the bottom

Use the In key on your calculator to estimate the logarithm. In 62 Round your answer to the nearest thousandth.

What is the x and y intercept of 10x-13y=0?