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olga2289 [7]
3 years ago
8

What is the common ratio for this geometric sequence 3,12,48,192,... A 16 B. 3 C. 4 D. 9

Mathematics
1 answer:
hram777 [196]3 years ago
3 0

Answer:

4

Step-by-step explanation:

The common ratio is  found by taking the second term and dividing by the first term

12/3 = 4

We can check by taking the third term and dividing by the second

48/12 = 4

The common ratio is 4

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Take the length of the larger divide it by the smaller

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From the top of a vertical cliff 40 m high, the angle of depression of an object that is level with the base of the cliff is 34°
Rama09 [41]

Answer:

object is 59.30m away from the base of the cliff

Step-by-step explanation:

yessir

7 0
3 years ago
Find the seventh term of the sequence which has a first term of 1/2 and has a common ratio of three
prohojiy [21]

The seventh term of the sequence is 364.5

<h3>Geometric progression </h3>

From the question, we are to determine the seventh term of the sequence

Using the formula,

a_{n}  = ar^{n-1}

Where a_{n} is the nth term

a is the first term

and r is the common ratio

From the given information,

a = 1/2

r = 3

Thus,

a_{7}  = (\frac{1}{2}) 3^{7-1}

a_{7}  = (\frac{1}{2}) 3^{6}

a_{7}  = \frac{1}{2} \times  729

a_{7}  = 364\frac{1}{2} \ OR \ 364.5

Hence, the seventh term of the sequence is 364.5

Learn more on Geometric progression here: brainly.com/question/24643676

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3 0
2 years ago
What what is 90% rounded to the thousandths place
Gemiola [76]
Just move the decimal point 2 spaces to the left if you want it in the hundredth place. <span>.900 is the answer.</span>
8 0
3 years ago
Ms. Roth has made 200 headbands and is deciding what price to charge for them.
vodomira [7]

Answer:

I THINK:

There will be 8 grams left after 36 minutes.

Step-by-step explanation:

A half-life is how long it takes for half of the amount to go away. in this case, we see that we have two half-life periods worth, which you can determine by dividing the total time by the half-life time.

36mins/16mins = 2 half lives.

now we can raise 1/2 to the power of how many half lives we have (2). then we multiply that by the amount in the sample.

(1/2)^2 * 36

1/4 * 36

8 grams

5 0
3 years ago
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