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Mathematics 17 Online
OpenStudy (anonymous):

5t − 3(1 + t)

OpenStudy (anonymous):

5t − 3(1 + t)

OpenStudy (anonymous):

simplifying would be : 5t - 3t + 3

OpenStudy (anonymous):

distributive property.

OpenStudy (anonymous):

2t-3 not plus 3

OpenStudy (shane_b):

\[5t-3-3t\]\[2t-3\]

OpenStudy (anonymous):

ahh, thanks! what abouutt ...Skate station charges a flat rate of $5.00 per day for skate rental plus $2.00 per hour of skating. If the number of hours is represented by "h", which algebraic expression represents the overall rate for "h" hours of skating?

OpenStudy (anonymous):

5d + 2h

OpenStudy (shane_b):

$=$5+2h

OpenStudy (anonymous):

d = day h = hours

OpenStudy (anonymous):

Jon and Lexi are playing a marble game. According to their rules, 6 points are awarded for each red marble collected and 2 points are awarded for each blue marble collected. Which expression represents Jon's total score if he has r red marbles and b blue marbles?

OpenStudy (shane_b):

I assumed 1 day...so yulyullie's formula is better.

OpenStudy (shane_b):

total = 6r+2b

OpenStudy (anonymous):

I would say the same for above.

OpenStudy (anonymous):

okay, thanks. cause i got that.. but wasnt so sure..

OpenStudy (aliahmed):

2t-3=0 2t=3 t=3/2 ?

OpenStudy (shane_b):

I think that probably was just to simplify...since it didn't include an = sign. You can assume 0 but I don't :)

OpenStudy (anonymous):

yeah. if there was an answer I could use the elimination method to find the value of t but simplifying happens in algebraic EXPRESSIONS.

OpenStudy (shane_b):

@TheViper : I think you forgot to distribute the - sign :)

OpenStudy (theviper):

oh yes

OpenStudy (theviper):

5t-3t-3 2t-3

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