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GaryK [48]
2 years ago
9

Carlin pays $ 25 for her monthly phone service and $.02 for each minute m of talk time. Which expression represents her monthly

bill?
A. 2m + 25 B. 25m + 0.02 C. .02m + 25 D. 25m + 2
Mathematics
1 answer:
Artemon [7]2 years ago
5 0

Answer:

I think the answer B

If not then, sorry

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Solving Exponential Equations (lacking a common base)<br> (0.66)^k=9
Alexandra [31]

Answer:

k = log9 / log 0.66

k = 5.3

Step-by-step explanation:

Please always remember that, when an exponential equation is given with different bases, the best approach is to take log of both sides.

If you have a calculator handy, that would be pretty fast and easy.

0.66 ^ k = 9

Take log of both sides:

klog 0.66 = log 9

k = log 9 / log 0.66

k = 0.954 / - 0.18

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Maths is fun, let's keep learning

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Minnie has 16 old posters and 25 new posters. Amanda has 25 old posters and 16 new posters. Who has more posters? Explain
Orlov [11]

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Add 25 and 16 posters and Amanda will have a total of 41 posters.

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