Random
What is equivalent to 3a + 4b – (–6a – 3b)
9a+7b
What is the result when 436,921 is rounded to the nearest thousand and then expressed in scientific notation?
What is 4.37 x 105?
Find the circumference of a circle with a radius of 4cm.
8 pi
A car averages 27 miles per gallon. If gas costs $4.04 per gallon, about how much was the gas for this car to travel 2,727 typical miles?
$408.04
This year, 75% of the graduating class of Harriet Tubman High School had taken at least 8 math courses. Of the remaining class members, 60% had taken 6 or 7 math courses. What percent of the graduating class had taken fewer than 6 math courses?
10%
Janelle cut a board 30 feet long into 2 pieces. The ratio of the lengths of the 2 pieces is 2:3. The length, to the nearest foot, of the shorter piece.
12 feet
Find the volume of a cube with side length 5cm
125 cm3
Sally has a collection of hats. In her collection, 6 are red. She will randomly select one to wear. If the probability is 2/5 that the hat she will pick is red, how many hats are in her collection?
15
Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s correct average test score?
72
Two sides of a right triangle have a length of 5. What's the hypotenuse length?
square root of 50
in a right triangle, one leg is 12 and the other is 5. what's the hypotenuse?
13
When the regular price of a bookcase ($125.00) is reduced by 20%, this is the new price.
$100.00
A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the average score for all 50 students who took the test?
77
If 3x2=4y=12, what is the value of x2y?
64
Find the measure of each interior angle of a regular hexagon.
120 degrees
An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more hours at 325 mph. If the average airspeed for the entire flight was 350 mph, which of the following equations could be used to find x ?
A. x+ 325=2(350)
B. x + 7(325) = 15(350)
C. 8x – 7(325) = 350
D. 8x + 7(325) = 2(350)
E 8x + 7(325) = 15(350)
E
for all zeroes, r, t, and z values, 16r3tz5 / −4rt3z2
=?
-4r2t3 / t2
Each term of a certain sequence is greater than the term before it. The difference between any two consecutive terms in the sequence is always the same number. If the third and sixth terms of the sequence are 17 and 77, respectively, what is the eighth term?
117
In a triangle ABC, angle A = 40 degrees, angle B = 60 degrees, and side AC = 8cm. Find the length of side BC using the Law of Sines.
5.93cm
A hiking group will go from a certain town to a certain village by van on 1 of 4 roads, from the village to a waterfall by riding bicycles on 1 of 2 bicycle paths, and then from the waterfall to their campsite by hiking on 1 of 6 trails. How many routes are possible for the hiking group to go from the town to the village to the waterfall to their campsite?
48