Sunday
December 8, 2013

# Posts by Mae

Total # Posts: 131

Question
hi, so i just made a model of an aspirin tablet,and i was wondering if anyone could give me an estimate on how many grams it would be? The diameter is around 23inches. it doesnt have to be exact, i just need a guess. thanks

math
Sally invests some money at 6%/a compounded annually. After 5 years, she takes the principal and interest and reinvests it all at a 7.2%/a compounded quarterly for 6 more years. At the end of this time, her investment is worth 14,784.56.how much did sally originally invest? I ...

Gr.11 Math
Use the formula Sn = a(r^n-1) -------- r-1

but is there any way i can apply that to the formula given?

A ball is dropped from a height of 3m and bounces on the ground. At the top of each bounce, the ball reaches 60% of it's previous height. Calculate the total distance travelled by the ball when it hits the ground the fifth time. Could you please check over my answer? Sn= a...

Math-Gr.11 urgent
oh sorry sorry. i never got that you simplified it. thanks

Math-Gr.11 urgent
for t(10)= a+9d .. where did you get the 9 from? & can you explain how you got 710? thank you

Math-Gr.11 urgent
The 10th term of an arithmetic series is 34, and the sum of the first 20 terms is 710. Determine the 25th term. Can someone please explain how to do this? I don't know which formula to use. TIA