09/16/20

I’m so confused

On a number line suppose the coordinate of E is -3, and EG=8, what are the possible coordinate of G?

05/11/20

Math Word Problem { SAT }

Between 1497 and 1500, Amerigo Vespucci embarked on two voyages to the New World. According to Vespucci’s letters, the first voyage lasted 43 days longer than the second voyage, and the two voyages... more

Differential Equation

The differential equation  I. produces a slope field with horizontal tangents at x = -4II. produces a slope field with vertical tangents at x = -4III. produces a slope field with columns of... more

Calculus help needed

The temperature of a cup of hot tea varies according to Newton's Law of Cooling: , where T is the temperature of the tea, A is the room temperature, and k is a positive constant. If the water cools... more

Linear algebra question

Show that the following sets of vectors of R3 are linearly independentand span R3:(a) S1 = {(1, 2, 3),(3, 2, 1),(0, 0, 1)}.(b) S2 = {(3, 0, −6),(−4, 1, 7),(−2, 1, 5)}.

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