Geometry
180 degrees
What is the mode of the following numbers in the set:
{3, 5, 7, 2, 8, 10, 13, 40}
There is no mode
What is the slope of the equation?
2x+5y=17
-2/5
In a box, there are two blue sock balls and three red sock balls. What is the probability you get a red sock ball without looking into the box?
3/5
Out of a, b, c, and d, what is the smallest value:
a+(-5)=-7
b-(-8)=12
-5*c=25
d/(-3)=2
d
What is the sum of ALL the exterior angles in any polygon?
360 degrees
You are trying to buy a computer. The computer costs $840 and is 75% of your salary. How big is your salary?
$1120
4(3x-1)+6(1/2x+4)=0
x=-4/3
When rolling two die, what is the number that is most probable to be obtained when the two numbers are added?
7
1+2+3+4+5+6+...+198+199+200=
20100
How many diagonals of a hexagon are there?
6(6-3)/2 = 9
Walmart is having a sale with T-shirts. All T-shirts are first 75% off. An additional membership discount gives you another 10% off. If the T-shirt's original price is $50, how much is it after the discount?
y=x2-3x+5
What is y when x is 3?
y=5
On three flips on a fair coin, what is the probability to get two tails and a heads in any order?
3/8
In a barn, there are chickens and sheep. Joe is the owner of the farm. He counts the amount of heads of the animals and there are 10; he counts the amount of feet is equal to 32 feet. How many chickens are there?
There are 4 chickens.
A decorative window is made up of a rectangle with semicircles on either end. The ratio of AD to AB is 3:2, and AB is 30 inches. What is the ratio of the area of the rectangle to the combined areas of the semicircles?
The picture will be passed out
6:pi
The mean number of hours spent on exercising a day in Mrs. Heyman's and Mrs. Baldwin's advisories are respectively 1.25 hours and 1.5 hours. Mrs. Heyman's advisory has 8 students, and Mrs. Baldwin's advisory has 6 students. What is the mean number of hours spent on exercising in the two advisories combined?
19/14 hours
Solve the equation
x^8 - 16x^4 - x^5 + 16x = 0
x = -2, 0, 1, 2
A jar contains five different colors of gumdrops: 30% are blue, 20% are brown, 15% red, 10% yellow, and the other 30 gumdrops are green. If half of the blue gumdrops are replaced with brown gumdrops, how many gumdrops will be brown?
42
Use a diagram to illustrate and explain the following statement: If A⊂B, and B⊂C, then A⊂C
Please have your diagram checked.
Semicircles POQ and ROS pass through the center of circle O. What is the ratio of the combined areas of the two semicircles to the area of circle O? The picture will be passed out.
1/2
You grow 3 crystals from a solution and measure the length of each crystal in millimeters. Here is your data:
6, 8, 4
Calculate the sample standard deviation of the length of the crystals.
sqrt(8/3)
Find the zeros of the following Quadratic Binomial
x^2 + 1
(Hint: Imaginary)
x = i, -i
In a room, 2/5 of the people are wearing gloves, and 3/4 of the people are wearing hats. What is the minimum number of people in the room wearing both a hat and a glove?
3 people
Find the value of the following infinite nested fraction
sqrt (2)