In the year 1900, the total number of metric tons of copper produced in the world was
495.000. each year since 1900, the total number of metric tons of copper produced has
increased on average by about 3.25% over the amount produced the previous year.
which function models the total number of metric tons of copper produced in the year that
is x years since 1900?
a
3.
-
..
c(x) = 495,000(1.0325)*
c(x) = 495,000(0.9675)*
c(x) = 495,000x1.0325
c(x) = 495,000x0.9675

22

step-by-step explanation:

if gloria has "carry over" minutes, (that is, any minutes paid for but not used in a month can be applied to her payment for minutes in the next month,) her total usage for the three months is: total minutes = 320 + 243 + 489 = 1052 minutes number of 200 minute blocks = 1052/200 = 5 r52 (that is 5 with a remainder of 52) rounding up the number of 200 minute blocks gives her usage for the three months as 6 blocks. the cost for six blocks is 6 x $25 = $150 she also has 200 - 52 or 148 carry over minutes if gloria pays each month and unused minutes are lost, applying the rounding up procedure to each month gives: first month usage of 320 minutes rounds up to 2 blocks of 200 minutes for a payment of 2 x $25 = $50 second month usage of 243 minutes rounds up to 2 blocks of 200 minutes for a payment of 2 x $25 = $50 third month usage of 489 minutes rounds up to 3 blocks of 200 minutes for a payment of 3 x $25 = $75 total payments for the three months are $50 + $50 + $75 = $175 get the plan with carry over minutes!

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step-by-step explanation:

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