## Search found 24 matches

### sine or cosine

how do you know when to use sine law or cosine.
on Wed Jun 17, 2009 4:07 pm

Forum: Trigonometry
Topic: sine or cosine
Replies: 2
Views: 2549

### probability: if 50K tickets sold & gave away 5000 including

if 50,000 tickets were sold and gave away 5000 prizes including one grand prize,what is the probability that one ticket would win the grand prize.
on Thu Jul 09, 2009 9:21 pm

Forum: Discrete Math
Topic: probability: if 50K tickets sold & gave away 5000 including
Replies: 3
Views: 1864

### Re: probability: if 50K tickets sold & gave away 5000 including

that's what is says in the book, i don't write this stuff.
on Thu Jul 09, 2009 11:13 pm

Forum: Discrete Math
Topic: probability: if 50K tickets sold & gave away 5000 including
Replies: 3
Views: 1864

### lottery sold 50K tickets: odds in favor of winning grand pri

dream of lifetime lottery sold 50,000 tickets and gave away 5,000 prizes including 1 grand prize,what are the odds in favor of winning a prize with 1 ticket.
on Mon Jul 13, 2009 2:39 am

Forum: Discrete Math
Topic: lottery sold 50K tickets: odds in favor of winning grand pri
Replies: 1
Views: 1430

### find experimental prob. of getting heads when tossing coin

Sarwar has a lot of time on his hands,so he starts to toss a coin and count the number of times it comes up heads.He finds that out of 1000 tosses,he gets heads 487 times and tails 513 times.

what would the experimental probability of getting heads when tossing the coin.
on Wed Jul 15, 2009 8:00 pm

Forum: Arithmetic
Topic: find experimental prob. of getting heads when tossing coin
Replies: 2
Views: 1828

### height above trampoline modelled by h = -4.9(t - 1)^2 + 6.3

A trampoline artist bounces on a trampoline.Her height above ground is modelled by the function h=-4.9(t-1)^2+6.3.

how long after she leaves the trampoline does she reach her maximum height.
on Wed Jul 22, 2009 7:15 pm

Forum: Intermediate Algebra
Topic: height above trampoline modelled by h = -4.9(t - 1)^2 + 6.3
Replies: 3
Views: 2594

### Re: height above trampoline modelled by h = -4.9(t - 1)^2 + 6.3

no,i'm not sure how
on Thu Jul 23, 2009 5:11 pm

Forum: Intermediate Algebra
Topic: height above trampoline modelled by h = -4.9(t - 1)^2 + 6.3
Replies: 3
Views: 2594

### Exponets (2)^3 / (2)^-2 ---- ---- (5) (5)

(2)^3 / (2)^-2
---- ----
(5) (5)
on Tue Jul 28, 2009 1:28 am

Forum: Trigonometry
Topic: Exponets (2)^3 / (2)^-2 ---- ---- (5) (5)
Replies: 2
Views: 1572

### ball is dropped from 200 cm, losing 30% of ht on each bounce

A bouncing ball is dropped from a height of 200 cm.The ball loses 30% of it's height on every bounce. write the equation that will give the height of the ball at the top of each bounce.use h for the height of the ball,and n for the number of each bounce.
on Sun Aug 02, 2009 2:06 pm

Forum: Trigonometry
Topic: ball is dropped from 200 cm, losing 30% of ht on each bounce
Replies: 2
Views: 1879

### sprinter makes how many 150-cm strides in 400-m race?

Sabrina is a sprinter who has a running stride of about 150cm.
Approximately how many strides would Sabrina take to run a 400m race.
on Thu May 20, 2010 12:18 am

Forum: Arithmetic
Topic: sprinter makes how many 150-cm strides in 400-m race?
Replies: 3
Views: 2414
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