Craig W.

d={x|x≥1} E={x|x<8}

A man sold four times as many tied dyed t-shirts as silk screen shirts he sold 230 shirts all together how many tie-dyed shirts did he sell

Students stuff envelopes for extra money. Their initial cost to obtain the information for the job was ​$100. Each envelope costs ​$0.03 and they get paid ​$0.04 per envelope stuffed. Let x... more

Solve the system of equations by elimination method or substitution method.

A stone is dropped in a lake, creating a circular ripple that travels outward at a speed of 90 cm/s.(a) Find a function g that models the radius as a function of time t, in seconds.Find f ∘ g

346. Write an equation that says that vectors [a, b, c] and [m, n, p] are perpendicular. Am I to write: am+bn+cp=0, that the dot product of these two vectors are perpendicular? 345.Write an... more

f(x) = x2 + x,    g(x) = x2

On a certain hot summers day, 287 people used the public swimming pool. The daily prices are 1.50 for children and 2.50 for adults. The receipts for admission totaled 621.50 how many children and... more

I have a question on my homework which states:Prove the following rule via mathematical induction: n ∑(3𝑖 − 2) i=1 = [n(3n − 1)]/2I understand that induction refers to substituting in first... more

Asked to reflect the point P = (4,0) across the mirror line y = 2x, Aubrey reasoned this way: First mark the point A = (1, 2) on the line, then use the vector [−3, 2] from P to A to reach from A... more

The edges of a rectangular solid are parallel to the coordinate axes, and it has the points (2, 4, 4) and (6, 9, 1) as diagonally opposite vertices. Make a sketch, labeling each vertex with its... more

Vertical asymptotes at x = 4 and x = -6,x intercepts at x = -2 and x = -5, andy intercept at 2.y = ______________

Graph the line with slope -1/2 passing through the point (-3,4).

Find the angle formed when [3, 4] and [−5, 12] are placed tail-to-tail, then find components for the vector projection that results when [3, 4] is projected onto [−5, 12]. I figured out the angle.... more