A 3 in. by 5 in. photo is enlarged five times what is the dimensions of the larger photo
41 different balls are drawn from a bag containing balls numbered 1,2, ,300. The probability that the number of odd balls drawn is larger than the number of even balls can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?
ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?
A bag contains 10 red marbles, 10 green marbles, 10 yellow marbles and 10 blue marbles. You reach into the bag and grab a marble, then reach into the bag and grab a second marble. The probability that the second marble is the same color as the first marble is ab, where a and b...
How many integer values x satisfy the inequality 2<3x−1/6<5?
Consider a digital clock. The first time after midnight when the three digits are all prime numbers is 2:22 am. What is the last time before 10:00 am, when the three digits on the clock are all prime numbers? Details and assumptions If you determine that the time is 4:23 am, t...
Find the number of positive integers <1000 that can be expressed as 2^k−2^m, where k and m are non-negative integers.
wasnt 5 :(
Two players each flip a fair coin. The probability that they get the same result can be expressed as ab where a and b are coprime positive integers. What is the value of a+b? Dont get the a+b :(
Let N=1!⋅2!⋅3!⋅4! 9!⋅10!. Let 2^k be the largest power of 2 that divides N. What is the value of k?
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