Pre-Algebra
In a free radio station competition, one in every twenty contestants wins. The probability of losing the free competition.
What is 19/20?
19:20, 19 to 20, or 19 out of 20 are also okay.
The number of real solutions for the equation
x^2+8=0
What is zero real solutions?
A=[[-1,4],[3,-2]]
B=[[-3,2],[-2,8]]
The sum of matrices A and B.
What is [[-4,6],[1,6]] ?
In terms of pi he circumference of a circle that has a diameter of 12.
What is 12pi?
The area of a football field that is 100 yards long and 55 yards wide.
What is 5500 square yards?
Flight A travels at 90 mph and covers 360 miles. Flight B covers the same distance but travels at 60 mph. The difference in flight times between Flights A and B.
What is 2 hours?
The simplified form of sqrt(45).
What is 3sqrt(5)?
The roots of x^2+9x+18=0.
What is x={-6,-3}?
The volume, V=1/3pir^2h, of a cone with a height of 12 inches and a radius at its base of 3 inches.
What is 36pi?
The volume of a 20cmxx15cmxx25cm box.
What is 7500 cm^2?
A company purchases phones for x dollars and sells them for four times the cost. The expression that represents the profit for each phone.
What is 3x?
The price for the internet service depends on the speed of the internet connection. The chart below indicates this price for each Gigabyte of speed.
| Price ($) | Speed (Gbps) |
|---|---|
| 10 | 2 |
| 20 | 4 |
| 30 | 6 |
| 40 | 8 |
What is $5?
The value of g(f(-3)) if f(x)=5x-2 and g(x)=x^2+3x.
What is 238?
The midpoint, M(x,y), of bar(AB) if the endpoints are located at A(-4,2) and B(2,-4).
What is M(-1,-1)?
The hypotenuse of a right triangle with legs of length 5cm and 12cm.
What is 13cm?
The simplification of |sqrt(4)-12|.
What is 10?
In a class with n students, t% of the students subscribe to YouTube TV. This is the number of students who DO NOT subscribe to YouTube TV.
What is ((100-t)n)/100?
Given J and T are the number of jeans and t-shirts purchased
2J+T=$105
J-T=$15
this is the total cost of buying one pair of jeans and one t-shirt.
What is $65?
The diameter of a circle with a center at (-6,6) and tangent to the x-axis.
What is 12?
The area of a right triangle that has a leg 4 inches long and a hypotenuse 5 inches long.
What is 6 square inches?
In a shipment of 100 Tesla Cybertrucks, 0% are not an eye sore. The probability that a Cybertruck will look good.
What is 0%?
The largest possible product of 2 even integers whose sum is 22.
What is 12?
The simplified form of
(x^2y^5)^-2/(x^4y^-2)^-5
What is x^16/y^20?
The quadrant(s) point M could be in if the x-coordinate and y-coordinate are nonzero and have opposite signs.
What are quadrants 2 and 4?
The measure of a each base angle in an isosceles triangle with a vertex angle of 50°.
What is 65°?