Mathematics, 08.11.2019 11:31 ridzrana02

# For what value of k will the system of equations given below have no solution?

2x + 5y = 9

-3x - k y = 4

Answers: 1

Mathematics, 21.06.2019 20:00

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Answers: 2

Mathematics, 21.06.2019 20:00

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a.what is the independent and dependent variables? b.find the amplitude and the period of the function. c.create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.

Answers: 1

Mathematics, 21.06.2019 22:10

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Answers: 3

Mathematics, 21.06.2019 23:50

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?

Answers: 2

For what value of k will the system of equations given below have no solution?

2x + 5y...

2x + 5y...

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