the total bikes plus skateboard equal 20
total wheels is 50
200
what is the probability of coming up with heads when flipping a coin 6 times
3/6
300
find the unknown
q+y=17
2q+4y=50
q=9
y=8
300
a bag of animals cracker contains 5 monkeys, 4 giraffes, 6 elephants and 3 tiger and u draw random whats the probability of picking an elephant or giraffes.
10/18
400
how many animals do the farmer have if there are 34animals total and 110 legs total
c+m=34
2c+4m=110
m=21
c=133
400
a spinnernid divied into 8 equal sections. what is the theoretical probability that the arrow will land not land on a section labled c or o
5/8
400
there are 7 student scored different scores on their test which is:72,77,85,90,91,and 93. then the new kid scored a 95
find the mean of the two remaining score
88+90/2=89
500
a fish tank at a pet store has 3 red fish,6 blue fish,7 yellow fish and 4 orange fish. if one fish is chosen at random what is the probability that the fish will be blue or yellow
13/20
500
15 students collected $25, 3 students collected $75,and other students collected $37,$42,$51,$40
find the total amount of cash collected by the class
(15*25)+(3*75)+37+42+51+40=770
hint:count the total number of students in the class