Operations with positives and negatives
Solve the equation: -23+5+7+(-12)=?
-23
What is the formula for area on a circle?
r2(3.14)
What is the area of a triangle with a height of 12 and a width of 30?
30
What are the steps of finding the mean of a data set?
1. Add up all the numbers
2. Divide the sum by the number of numbers
A six sided die is rolled, what is the probability of getting a 3 or 4? (simplified)
1/3
Solve the equation: -87-13-69=?
-169
What is the area of a circle with a diameter of 96?
7234.56
What is the area of a trapezoid with the bases of 16 and 37 and a height of 19?
503.5
What is the mean of this date set? 7,25,36,56,2
25.2
6 blue, 3 red, and 5 yellow marbles are in a bag, What is the probability of choosing a red or blue? (simplified)
11/14
Solve the equation: 57+79+(-34)-925=?
-823
What is the formula for circumference of a circle?
d(3.14)
What is the volume of a cylinder with a diameter of 7 and a height of 32?
1231.5
What are the steps of finding the MAD of a data set?
1.Find the mean
2.Find the difference of the mean and each value
3.Find the mean of all the differences
Using a six sided die, Jerry has rolled a 6 four times in a row. What is the probability of rolling a 6 on the next toss?
1/6
Solve the equation: (-26 * 14) + (-17 * 8)=?
-420
What is the circumference of a circle with a radius of 36?
226.08
What is the surface area of a rectangular prism with side lengths of 56,23,23?
6,210
What is the MAD if the mean is 30? the numbers are 26,35,57,2
16
A two digit number is chosen at random. What is the probability of it having a 7 in it?
18
Solve the equation: 638/25 + (-14.3)=?
11.22
The area of a circle is 615.44, what is the circumference?
hint: the r is 14
87.92
What is the volume of a pyramid with a height of 7 and side lengths of 5?
58.33
What is the mean of this data set? And the MAD? 8,12,4,15,11,13
mean= 10.5
MAD=3
Three coins are tossed up in the air. What's the probability of two landing on heads and one on tails?
3/8