ch 7 probability
What is the probability of flipping heads on a 2 sided coin?
1/2 or 1 in 2 chance.
there are 6 dogs and 3 cats what is the ratio of dogs to cats
2 dogs :1 cat or 2 to 1
solve the equation
x + 3 = 12
x = 9
simplify the expression
-10y + 15y
5y
solve
-22+ 7
-15
What is the probability of spinning an odd on a 6-sided dice?
1/2 or 3/6.
you go fishing for 4 hours, you catch 16 fish, how many fish do you catch each hour?
you catch 4 fish in one hour.
solve the equation
2x + 5 = 9
x = 2
simplify the expression
2.4u -2.4u -9.8u
-9.8u
-34+5-7.5
-36.5
what is the probability of flipping heads and rolling an odd number?
1/4
you play video games for 8 hours you complete 64 in that time. How many levels do you complete in 1 hour?
You complete 8 levels in one hour.
write an inequality
A number w added to 2.3 is more than 18
ex solve
w + 2.3 > 18
w=15.7
simplify
2(5x+3)-5
10x + 1
(15.25-7.25) +4
13
what is the probability of you playing rock and your opponent playing scissors in rock, paper, scissors?
1/9
you drink 2 glasses of water. you drink 1/4 a glass each hour. how many hours will it take you to finish both glasses
it will take 8 hours
solve
w/4+3=12
36=w
simplify the expression
9(k-7)
9k-63
-25 x -10
250
what is the probability of rolling a 20 on a d20 die and flipping heads on a coin?
1/40
1) you bake 6 cakes in 3 hours how many cakes do you bake an hour?
2) Your friend bakes 3 times the amount of cake you do in an hour. how many does your friend make?
1) You make 2 cakes per hour.
2) Your friend makes 6 cakes an hour.
solve
1/4w - 5<-17
w<-48
simplify the expression
1/4(i-5)+2z
1/4i-5/4+2z
division = /
(5 - 3) x 5 / 2=
5