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bija089 [108]
3 years ago
12

2. The table shows the amount

Mathematics
1 answer:
abruzzese [7]3 years ago
3 0
I think the answer might be B
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Find a general term an for the sequence whose first four terms are given.<br> 2, 4, 8, 16, ...
lapo4ka [179]

Answer:

  an = 2·2^(n-1)

Step-by-step explanation:

There are simple tests to determine whether a sequence is arithmetic or geometric. The test for an arithmetic sequence is to check to see if the differences between terms are the same. Here the differences are 2, 4, 8, so are not the same.

The test for a geometric sequence is to check to see if the ratios of terms are the same. Here, the ratios are ...

  4/2 = 2

  8/4 = 2

  16/8 = 2

These ratios are all the same (they are "common"), so the sequence is geometric.

The general term of a geometric sequence with first term a1 and common ratio r is ...

  an = a1·r^(n-1)

Filling in the values for this sequence, we find the general term to be ...

  an = 2·2^(n-1)

7 0
3 years ago
How do you solve this?
Readme [11.4K]
What are you trying to solve i can't see anything

3 0
3 years ago
-4+3b^2=143<br><br> Simplest radical form
Karolina [17]

Answer:

- 4 + 3b {}^{2 }  = 143 \\ 3b {}^{2}  = 143 + 4 \\ 3b {}^{2} = 147 \\ b {}^{2}   =  \frac{147}{3}  \\ b {}^{2}  = 49 \\ b = 7

3 0
2 years ago
The function a represents the cost of manufacturing product A, in hundreds of dollars, and the function b represents the cost of
PSYCHO15rus [73]

The answer is c)

Here’s why:

7 0
3 years ago
Read 2 more answers
A department store's survey suggests that 76% of shoppers buy food, 49% buy clothes, and 28% buy both food and
Artyom0805 [142]

Answer:

0.57

Step-by-step explanation:

Given that:

food = f ; c = clothes

P(f) = 0.76

P(C) = 0.49

P(fnC) = 0.28

Suppose a shopper is selected from the store at random and learn that they buy clothes. What is the probability that the shopper also buys food?

P(f Given C) = P(f | C)

P(f | c) = p(fnC) / p(C)

P(f | c) = 0.28 / 0.49

P(f | c) = 0.5714

P(f | c) = 0.57

7 0
3 years ago
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