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givi [52]
3 years ago
11

I need help with this problem! Thank you !

Mathematics
1 answer:
Romashka [77]3 years ago
4 0
D.  It is the only option that compares the the angles and triangles in the same order.
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Tabitha decided to start saving pennies for a stretch of two months and initially started with 2 pennies. A table showing the nu
svetoff [14.1K]

Answer:

  • after week 7: 4374 pennies
  • 486 pennies: after week 5

Step-by-step explanation:

The sequence values have a first term of 6 and a common ratio of 3, so can be described by the formula ...

  an = 6·3^(n-1)

This can be rearranged to ...

  an = 2·3^n

__

When n=7, the value is ...

  a7 = 2·3^7 = 4374 . . . . pennies saved after 7 weeks

__

To find when there are 486 pennies saved, we can solve the equation ...

  486 = 2·3^n

  243 = 3^n

  log(243) = n·log(3) . . . . . . . take the logarithm

  log(243)/log(3) = n = 5 . . . . divide by the coefficient of n

Tabitha will have saved 486 pennies after 5 weeks.

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What is 25.4067 to the nearest hundredth
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In 20 years, Finn will be 3 times as old as he is right now. How old is he right now?​
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Here are 10 numbers. 3 7 2 4 7 5 7 1 8 8 what is the median
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Answer:    7

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234577788

        ^

the number in the middle is 7

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