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Viefleur [7K]
4 years ago
6

Write an explicit rule for the geometric sequence 4, 8, 16, 32, ..

Mathematics
2 answers:
Alina [70]4 years ago
8 0
8÷4=2
16÷8=2
32÷16=2
multiply by 2
Paul [167]4 years ago
5 0
First term:  a(1) = 4; common ratio:  r = 2

Then:

a(n) = 4(2)^(n-1)

Check:  Predict the 4th term using this formula:

a(4) = 4(2)^3 = 4(8) = 32  (correct)
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Suppose a fair six sided die has been relabeled so that the 6 is replaced with another 5,i.e., the sides read 1,2,3,4,5,5. If th
Anvisha [2.4K]

Answer:

P(rolling five distinct values) = 1/3888

Step-by-step explanation:

We are told that I the fair sided dice, 6 is replaced with 5.

Thus,the numbers are now;

1,2,3,4,5,5.

This means a total of 6 possible numbers appearing.

Now, in these 6 numbers there are only 5 distinct numbers since 5 occurs twice.

P(1) = 1/6

P(2) = 1/6

P(3) = 1/6

P(4) = 1/6

P(5) = 2/6

Thus,probability of rolling 5 distinct values = 1/6 × 1/6 × 1/6 × 1/6 × 2/6 = 1/3888

8 0
3 years ago
The table shown below represents a function. Which of the following values could not be used to complete the table?
11111nata11111 [884]

Answer:

The answer to your question is: letter B

Step-by-step explanation:

Function definition: a function is a relation from a set of inputs to a set of outputs.

The most important about functions is that each input is related to one and only one output. Then there are not repeated values of inputs.

In the exercise, the inputs are -10, -25, -5, and the outputs are 5, 10, 15 and 20.

So, to solve this exercise, look for a number in the options that will not be repeated in the inputs,

Then,  

          - 20 is a possible option because is not repeated

           -5    is not an option to complete the table because 5 already exist.

          - 15 is a possible option because is not repeated previously.

3 0
3 years ago
Which expression is equivalent to 2cos2(x/2)-cos(x)
Pavel [41]

Answer:

B

Step-by-step explanation:

Edge

3 0
3 years ago
A chemical reaction converts a substance Ato a substance Y. At the start of the reaction, the quantity of A present is a grams.
galben [10]

Answer:

y

Step-by-step explanation:

4 0
3 years ago
3/5 feet long by 2/3 feet wide <br>What is the area?​
Jlenok [28]

Answer:

2/5

Step-by-step explanation:

To find Area you have times do length times Width so you would be doing 3/5 times 2/3 which would give you 2/5.

7 0
3 years ago
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