Algebra
5x+7=37
x=6
What is the area of a right triangle with legs of length 4 and 10
20
If three consecutive numbers have a sum of 30, what is the lowest number?
9
My cell phone costs $30 per month plus $10 for each GB of data used. Write an expression to represent my bill for a month.
B = 30 + 10G
What is the probability of rolling an odd number on a standard 6 sided dice?
1/2
45/x+12=17
x=9
What is the area of a rectangle with a length of 5 and width of 8?
40
If 5 consecutive odd integers have a sum of 115, what is the middle number?
23
Sally has $400 in her bank account and saves $20 each week from babysitting. Write an expression that represents her total bank account balance (T) after x weeks.
T = 400 + 20x
What is the chance of pulling out a black marble from a bag that has 3 black marbles, 5 red marbles, and 2 green marbles?
3/10
√(100x²)=50
x=5
What if the circumference of a circle with a diameter of 10? Express your answer in terms of pi.
10pi
If the sum of two numbers is 23 and their difference is 3, what are the 2 numbers?
13 and 10
I am digging a hole at a rate of 5 feet per hour. If there is a pipe buried 20 feet down, write an equation for how far away from the pipe I am (D) after h hours.
D = 20 - 5h
What is the chance of drawing a jack from a standard deck of cards (52 cards)? There are 4 jacks in a standard deck of cards.
1/13
10x+13=43
x=3
If a triangle with angles of 30, 60, and 90 degrees has sides with the lengths of 3 and 6, what is the length of the third side? (hint, there are 3 different angles)
3√3
What is the sum of the positive factors of 24?
60
Abe is twice as old as Ben. If Ben is 4 years older than Caleb, write an expression that shows how old Abe is in relation to Caleb.
A = 2 (C + 4)
What is the probability of getting a sum of 10 using 2 standard 6 sided dice?
1/12
(x+5)/10=2
x=15
What is the sum of the measure of all the interior angles in a pentagon?
540
In a particular game, a player can earn either 3 points or 5 points on each turn. If Capri has earned a total of 18 points, what is the fewest number of turns she could have taken?
4 turns
I have $20 in my bank account. The bank pays me an interest rate that ends up doubling my money every 5 years. Write an expression that gives my total account balance (B) after y years.
B = 20*2^(y/5)
What is the probability of flipping heads on a coin 3 times in a row?
1/8