Math
There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total number of students...
Physics
Two charges are located along the x-axis. One has a charge of 6.3 μC, and the second has a charge of −3.4 μC. If the electrical potential energy associated with the pair of charges is −0.043 J,what is the distance between the charges? The value of the Cou...
math, algebra
Thanks!
math, algebra
Tina is trying to drop a water balloon from her balcony onto a rectangular raft in the pool below. The pool is 25 feet long and 15 feet wide. The raft is 6 feet long and 2 feet wide. What is the probability that Tina will hit the raft with the water balloon?
math
write a situation thar can be represtented by the algebraic expression $3.50t.
math
write a situation thar can be represtented by the algebraic expression $3.50t.
Finite Math
Assume that 3 digits are selected at random from the set {1,3,5,6,7,9} and are arranged in random order. What is the probability that the resulting 3-digit number is less than 700? I know the sample space is P(6,3) but that is all I know. Help!
College Math
Sorry, I meant to say 10 cans NOT 7.
College Math
A cooler contains 7 cans of cola: 6 regular colas and 4 diet colas. If 3 cans of cola are selected at random, what is the probability that 2 cans of regular cola and 1 can of diet cola are selected?
math
Sometimes it helps to right seperate equations for each person's age. a + 5 = Tisha 2a + 3 = Alex 2tisha = Sara I guess you could have that system of equations be your answer, just pick a variable for each person's name. I'm not exactly sure how you would combine t...
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