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2 years ago

Find the 12th term of the geometric sequence. 15, 30, 60, ...

Mathematics

2 answers:

NeX [460]2 years ago

5 0

Answer:

465

Step-by-step explanation:

The way I thought about it was I subtracted 30 from 15 and got 15. Then I subtracted 60 from 30 and got 20. My conclusion is you continue to add 5 more to what you added before. 15, 30, 60, 85, 115, 150, 190, 235, 285, 340, 400, 465.

nikklg [1K]2 years ago

3 0

⇒ common ratio =r=3 and the given sequence is geometric sequence. Where an is the nth term, a is the first term and n is the number of terms. ⇒ 12th term is 708588 . ⇒Sum=1062880 .

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Shawn earns $12.75 per hour. How many hours does she need to work to earn $102 or more. Write and solve an inequality.

astra-53 [7]

First we divide 102 by 12.75 to get the hours which is 8 hours. So it would take 8 hours

4 0

2 years ago

Solve:<br> 12 + 5 + 3’2 x 10 - 5 = <br> (12 + 5) + 3'2 x (10 – 5) =

kondaur [170]

Answer:

1) 102

2) 62

Step-by-step explanation:

12 + 5 + 3² × 10 - 5

12 + 5 + 9 × 10 - 5

12 + 5 + 90 - 5

17 + 90 - 5

107 - 5

102

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4 0

2 years ago

Read 2 more answers

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Vitek1552 [10]

Answer:

V≈418.88

Step-by-step explanation:

Volume formula: V=πr^2h /3

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7 0

2 years ago

Question 1 of 10

Radda [10]

Answer:

C is correct

Step-by-step explanation:

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8 0

1 year ago

Annika was having fun playing poker. She needed the next two cards dealt to be diamonds so she could make a flush (five cards of

fredd [130]

Answer:

d. 10%

Step-by-step explanation:

1. Information to know

15 cards left in the deck, and 5 are diamond, to find the probability of the next 2 cards being diamond, one has to find the probability of the 1st card as a diamond, and then multiply it by the probability of the 2nd card being a diamond.

Remember, probability is;

$\frac{favorable-outcomes}{total-outcomes}$