Algebra
solve for x:
6x-5=-35
x=-5
A composite plastic piece is in the shape of a rectangular solid. Each side length is 6in, 6in, and 8in. What is the total volume?
288
4x^3 - 2x + 5
12x^2 - 2
A bag contains 3 red marbles, 5 blue marbles, and 2 green marbles. If you reach in and pull out one marble at random, what is the probability that it is not red?
7/10
Name 3 Cosby High School Administrators
Mr. Snyder, Mr. Wahrman, Ms. Dunbrack, Mr. Swartz, Mr. Poss, Mr. Derrico
Solve for x:
3x/4 - x/3 = 10
x=24
In triangle ABC, angle A is 60 degrees and angle B is 35. What is the value of angle C?
85 degrees
Find the limit of x^2 - 4x + 7 as x approaches 3
4
A teacher scales a set of test scores by multiplying every score by 1.2 and then adding 5 points. If the original standard deviation was 8 points, what is the new standard deviation?
9.6 points
Where will Aidan Liang be attending college?
The Johns Hopkins University
Solve for x:
4x^2+8x+3=0
x=-1.5,0.5 or fraction equivalent
Find the value of tan(225) deg without a calculator (using your knowledge of the unit circle)
1
Find the derivative:
(e^x)cos x
(e^x)(cos x - sin x)
A set of exam scores has the following five-number summary: Min=45, Q1=70, Med=78, Q3=85, Max-98. According to the 1.5xIQR rule, what is the lower boundary for identifying potential outliers?
47.5
How tall is Abigail Willis
5'0
Simplify:
(4a^2 - 9) / (10a + 15)
(2a-3) / 5
The second angle of a triangle is twice as large as the first. The measure of the third angle is 20° greater than the first. How large are the angles?
Angles are 40, 80, 60 degrees
Find the derivative
f(x) = 5x^3 - 2sqrt(x) + 1/(x^2)
15x^2 - 1/(sqrt(x)) - 2/(x^3)
A set of five positive integers has a median of 12 and a mode of 8. What is the smallest possible sum of all five integers?
50
What year was Cosby High School founded?
2006
Simplify:
(cos^2 x - sin^2 x) / (1-tan^2 x)
cos^2 x
A rectangle has a perimeter of 40 meters. Find the dimensions that maximize its area.
10 cm by 10 cm
Equation of the line tangent to y=sin(x) at x=pi
y=-x+pi
The heights of adult males in a city are normally distributed with mean (mu) = 70 inches and standard deviation (sigma) = 3 inches. A "tall" doorway is designed so that only 2% of men have to duck. How high is the doorway?
76.15 inches
Who are the two best MAT Sponsors?
Ms. Sharp and Ms. Fallin