Questions Answered

alphaville:
The rim of the London Eye (a 135m diameter ferris wheel) moves 26 cm/sec, slow enough for passengers to safely get on the wheel from the pla…
 updated one year ago
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alphaville:
Could someone explain how to take the arcsin of both sides (inverse sine) for step #3 of this problem (in order to solve for t?
10 = 12 + 2.…
 updated one year ago
 4 replies
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alphaville:
Trig problem  Could someone show me the steps for solving for t?
720 = 11.895+2.545sin [(2pi/366)(t80.5)]
 updated one year ago
 16 replies
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alphaville:
How should I round up the numbers I have for A and D? Or should I just leave them as they are? My math is a bit rusty...
(This is for a fo…
 updated one year ago
 2 replies
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alphaville:
If I wanted to create a formula to show an additional increase to something, would I use exponential or linear form?
For example: A town…
 updated one year ago
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alphaville:
How would I solve for for x? My math is totally rusty:
160,000 = x / 100 * 12,000,000
 updated one year ago
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alphaville:
I need to create a formula that represents if the food supply growth rate doubled using the following numbers

…
 updated one year ago
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alphaville:
How would I find the formula for the following problem that shows if the town managed to double its food supply growth rates (using linear …
 updated one year ago
 1 reply
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alphaville:
Find the time required for the remaining amount to reach half its initial level. I don't understand how to to solve this step to get t = 13.…
 updated one year ago
 5 replies
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alphaville:
Suppose you take a job teaching college math, for instance, at an
annual salary of $20,000, with promised annual raises of $2000.
…
 updated one year ago
 13 replies
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alphaville:
How would I solve the following problem using the exponential formula y = a*b^x ?
The remaining mass of a decaying radioactive isotope is …
 updated one year ago
 4 replies
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alphaville:
What does the point of intersection between two lines in a graph tell us?
 updated one year ago
 19 replies
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alphaville:
How do I interpret a linear graph?
 updated one year ago
 6 replies
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