annacruzbhwille annacruzbhwille

17-10-2015
Mathematics

contestada

If y varies directly as the cube of x, what is the value of y in the ordered pairs (4, 16)(2, y)?

Respuesta :

konrad509 konrad509

17-10-2015

[tex]y=kx^3\\\\ 16=k\cdot4^3\\ 64k=16\\ k=\dfrac{16}{64}=\dfrac{1}{4}\\\\ y=\dfrac{1}{4}\cdot2^3\\ y=\dfrac{1}{4}\cdot8\\ \boxed{y=2} [/tex]

Answer Link

Otras preguntas

Purple Pie Man's Bakery has entered an agreement with Amazon whereby the bakery's database system resides on Amazon's hardware and employees access it through t

meghan is studying interactions between caribou and their wolf predators. this is an example of ecology. multiple choice community biosphere demographic ecosyst

Hi can you guys please help me create an ppt presentation on excel these are what it should include. A bar graph A line graph A pie chart Payslip Table with all

If the pressure of the gas inside the flask were increased andthe height of the column in the open-ended arm went upby 5.0 mm, what would be the new pressure of

DNA Polymerase I, DNA ligase, and topoisomerase I catalyze the formation of phosphodiester bonds. What is the activated intermediate in the linkage reaction cat

a medical company touts its new test for a certain genetic disorder. (1) the false negative rate is small: if you have the disorder, the probability that the te

Samson opened a bank account with 1.25% simple interest. The total amount of interest Samson will earn after 20 years is $812.50. How much did Samson deposit wh

14) Calculate the magnitude and direction of the magnetic force on a particle of charge q= 13C that is moving with a velocity of v= -20m/s x (to the left) in a

steam flows steadily into a turbine at the rate of 25,000 kg/hr. the steam enters at 8 mpa and 450 c and leaves as a saturated vapor at 50 kpa. the rate of heat

change the ratio of baking soda and vinegar to see whether it... change the ratio of baking soda and vinegar to see whether it changes the amount of carbon dio