Mathematics, 27.09.2019 02:00, rhiannonweik2000

Given that y varies directly with x, what is the equation of direct variation if y is 3 when x is 7?

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Mathematics, 21.06.2019 13:30, 2021sherodisabella

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

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Mathematics, 21.06.2019 15:00, amastar

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x

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Mathematics, 21.06.2019 17:50, bobyjoetato4599

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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Mathematics, 21.06.2019 18:30, leobaut6145

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.