Take a "Chance"
Max tested a coin to see whether it was fair. The table shows the results of his coin toss experiment:
Heads Tails
26 41
The relative frequency of the coin landing on heads.
26/67 chance
If (n+1)! = 5n!, solve for n.
n = 4
Simplify 42×46
48
Whats is the value of 8 raised to the power 0?
1
Ifan rolls a fair dice, with sides labeled A, B, C, D, E and F. What is the probability that the dice lands on a vowel?
1/3 probability
Simplify (6! × 3!)/(3!)
6!
Simplify −7x+2+3x−5
-4x-3
Evaluate 2⁻⁵/2⁴
2-9
A restaurant offers the following options:
Starter – soup or salad
Main – chicken, fish or vegetarian
Dessert – ice cream or cake
The possible combinations of starter, main and dessert.
12 possible combinations
If n! = 24, find n
n = 4
Is this defined or not defined? Is there a solution or not?
4(x−3)=4x+2
Undefined, no solution
Solve (m/n)⁻²(n/m)⁴
n6/m6
Alice has some red balls and some black balls in a bag. Altogether she has 25 balls. Alice picks one ball from the bag. The probability that Alice picks a red ball is x and the probability that Alice picks a black ball is 4x. Work out how many black balls are in the bag.
20 black balls
Solve for (9! × 8!) /(7! × 6!)
(Simplify)
9 x 8 x 8 x 7
3(2x+1)+x=−39
x=-6
6/2(1+2)
Human Verification Needed
Solve for x if (x + 5)⁻³ = −1
-6
There are 18 girls and 12 boys in a class. 2/9 of the girls and 1/4 of the boys walk to school. One of the students who walks to school is chosen at random. Find the probability that the student is a boy.
3/7 chance
What is the value of 7!
(Mean, I know.)
5,040
Write the equation of the line that passes through (1,−19)and(−2,−7) in slope-intercept form.
y=−4x−15
8/2(2+2)
Human Verification Needed
If 19600 can be expressed as 2ᵃ × 5ᵇ × 7ᶜ, where a, b and c are positive integers, find the value of a + b - c:
4