Algebra
The solution to x+20 when x=7.
What is 27?
The answer to the question when the fly flies at 30 mph. Two cyclists start 30 miles apart and ride toward each other, each at 15 mph. A fly starts from the first cyclist, flies to the second, then back to the first, and continues this until the cyclists meet.
What is 30 miles?
The rate of return is the profit or loss on an investment as a percent of the initial investment cost. What is the rate of return on an investment that is now worth $20880 and originally cost $18000?
16%
A soup manufacturer sells its soup in right cylindrical cans. The cans have a diameter of 6 centimeters and a height of 10 cm. If the manufacturer fills each can to 90% capacity with soup, what is the volume of soup in each can rounded to the nearest cubic centimeter?
254 cm^3
The solution to 4x=16.
What is 4?
The amount of games that had to have been played if sixty-four players enter a single-elimination tournament. Each game has one winner and one loser, who is immediately eliminated.
What is 63 games?
The National Research Council recommends keeping a 1:3 copper to zinc ratio in a horse's diet. If the horse is getting 420 milligrams of zinc per day, how many milligrams of copper does the Council recommend the horse have?
140
Mindy is a sculptor. She has a cylinder of stone with a radius of 3 meters and a height of 2 m She needs to carve out a sphere of radius 1 m from the cylinder. Mindy must cut away v/3 (pi) cubic meters of stone from the cylinder in order to be left with the sphere. What is the value of v?
50
Carol's age if Carol is three times older than Andrew. Brad is two years older than Andrew. In six years, the sum of Andrew's and Brad's ages will be the same as Carol's age.
What is 24?
The amount of cells per milliliter after 15 hours. Bacteria are growing in a liquid growth medium. There were 300,000 cells per milliliter during an initial observation. The number of cells per milliliter doubles every 3 hours.
What is 9,600,000?
Last week, Chichi spent 6 more hours practicing guitar than Will did. If Chichi practiced for 14 hours last week, which of the following can be used to calculate x, the number of hours Will practiced guitar last week?
x+6=14
Right triangles PQR and STU are similar, where P corresponds to S. If the measure of angle Q is 18 , what is the measure of Angle S
72 degrees
Factor the expression completely:
6x^3−4x^2−16x
What is 2x(3x+4)(x-2)?
The population of City A increased by 7% from 2015 to 2016. The value of k if the 2016 population is k times the 2015 population.
What is 1.07?
An interior decorator wants the height of a chandelier to be proportional to the ceiling height of the room it lights. If the decorator determines that a 20 in chandelier is ideal for a 9 foot ceiling, how many inches tall would the chandelier be for a room with an 11 ft ceiling.
27.5
A building contractor has a pickup truck with a rear storage area in the shape of a rectangular prism. The storage area has a length of 80 inches , a width of 60 in, and a height of 44 in. She wants to fill the entire storage area with equal-sized rectangular prism-shaped bricks with lengths of 8 in, widths of 4 in, and heights of 2 in. How many bricks can the contractor fit in the storage area of her truck?
3300 bricks
Find all real zeros for:
x^3-3x^2-x+3=0
What is x= -1, 1, and 3?
The graph of 9x-10y=19 is translated down 4 units in the xy-plane. The x-coordinate of the x-intercept of the corresponding graph.
What is 59/9?
The rate of perceived exertion scale runs from 0 to 20 and is approximately proportional to a persons heart rate. If an RPE rank of 20 corresponds to a persons maximum heart rate of 205 bpm, what Rpe rank corresponds to the person's resting heart rate of 70 BPM?
7
RS=20 ST=48 TR=52 The side lengths of right triangle RST are given. Triangle RST is similar to triangle UVW, where S corresponds to V and T corresponds to W. What is the value of tanW?
5/12