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It takes Mike 1 hour to get to work each day. He first rides the train, which travels at an average rate of 65 miles per hour. Then he rides the subway train, which travels at an average rate of 25 miles per hour. If the total distance that he travels from home to work is 61 miles, how many minutes does Mike spend riding the subway each morning?
General
2 months ago
the height h (in inches) above the water of a pelican before a dive is modeled by h=-16t^2+70t+50, where t is time (in seconds)a) When does the pelican enter the waterb)How high above the water is the pelican at time t=0 seconds
General
2 months ago
which graph shows the solution to the system of inequalities? y<1/2x-2 y≤-2x+4
General
2 months ago
Lowering powers write in terms of first power of cosine. Cos^6
General
2 months ago
Evaluate this exponential expression (27/8)^ 4/3A: 9/2B: 4/3C: 81/16
General
2 months ago
There are 25 green marbles in a jar. The total number of red marbles and green marbles equals the number of blue marbles. For every 5 green marbles, there are 6 yellow marbles. For every 1 red marble, there are 2 yellow marbles. How many of each color are there?i already know that green is 25 but i need blue, yellow and red
General
2 months ago
middle school math multiple choice
General
2 months ago
factor by grouping 2m^3+6m^2+3m+9
General
2 months ago
[tex]f(x) = \frac{3(x-1)(x+1)}{(x-3)(x+3)}[/tex]Domain:V.A:Roots:Y-int:H.A:Holes:O.A:Also, draw on the graph attached.
General
2 months ago
[tex]f(x) = \frac{x^{2} +4x-4}{x^{2} -2x-8}[/tex]Domain:V.A:Roots:Y-int:H.A:Holes:O.A:Also, draw on the graph attached.
General
2 months ago
What is the solution to the system of equations?
General
2 months ago
Gianna is going to throw a ball from the top floor of her middle school. When she throws the ball from 32feet above the ground, the function h(t)=−16t2+48t+32 models the height, h, of the ball above the ground as a function of time, t. At what time will the ball reach a height of 64feet?
General
2 months ago
If 8 tablespoons of extract are mixed with distilled water to total 300 mL, what is the final concentration?
General
2 months ago
A radio tower is located 300 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is 42° and that the angle of depression to the bottom of the tower is 37°. How tall is the tower?
General
2 months ago
What is the equation of the line that passes through the points (2, –1) and (6, 1)? A.y=1/2x -2 B.y=2x-5 C.y=-1/2x-1 D. y=-2x-3
General
2 months ago
A radiator contains 10 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 40% antifreeze?
General
2 months ago
3) An open top box is to be constructed out of a 90 inch by 70 inch piece of cardboard by cutting squares out of the corners and then folding the side flaps up. If the squares all have sides of 15 inches, find the following. a) Volume in cubic inches. b) Volume in cubic feet. c) Volume in cubic yards.
General
2 months ago
The graph of f(x) is obtained by reflecting the graph of g(x)=3|x| over the x-axis.Which equation describes f(x)?A) f(x)=3|x|B) f(x)= -3|x|C) f(x)= |x+3|D) f(x)= - |x+3)
General
2 months ago
nnnnneeedd help...........................Write a function that is shifted down 2 units and then reflected over the x-axis. Parent function is y = -5x - 8
General
2 months ago
Solve the compound inequality 6b < 42 or 4b + 12 > 8.
General
2 months ago
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