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evablogger [386]
2 years ago
7

Which sequence is a geometric progression? A 2 4 6 8 B 1 1 2 3 С 1 2 4 8 D 1 3 5 7

Mathematics
1 answer:
Mars2501 [29]2 years ago
7 0

Answer:

c) 1 2 4 8

Step-by-step explanation:

<u>Explanation </u>:-

<u><em>Geometric sequence</em></u>

The sequence is of the form a , a r , a r² , a r³ ,.......

'a' is the first term

'r' is the common ratio

1 , 1(2) , 1( 2)² , 1( 2 )³ ......  is a geometric sequence

here a = 1

common ratio   r = \frac{a_{2} }{a_{1} } = \frac{2}{1} = 2

                        r =  \frac{4}{2} = 2

                       r =  \frac{8}{4} = 2

<em>The sequence 1 2 4 8 is a geometric sequence</em>

                         

     

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Step-by-step explanation:

5 0
3 years ago
An online health and medicine company claims that about 50% of Internet users would go to an online sight first for
Serggg [28]

Answer:

The claim that less than 50% of internet users get their health questions answered online is correct, given that according to the survey, 45.98% of people do.

Step-by-step explanation:

Since an online health and medicine company claims that about 50% of Internet users would go to an online sight first for information regarding health and medicine, and a random sample of 1318 Internet users was asked where they will go for information the next time they need information about health or medicine; 606 said that they would use the Internet, to test the claim that less than 50% of Internet users get their health questions answered online, the following calculation must be performed:

1318 = 100

606 = X

606 x 100/1318 = X

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Therefore, the claim that less than 50% of internet users get their health questions answered online is correct, given that according to the survey, 45.98% of people do.

6 0
3 years ago
C/9 - 8 = 17<br> Solve the equation and show all work please show steps!!
Amiraneli [1.4K]
<span>C/9 - 8 = 17
------------
Simplify
1/9c - 8 = 17
----------------
Add 8 to each side
1/9c - 8 + 8</span><span> </span><span>= 17 + 8
1/9c = 25
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Multiply each side by 9
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5 0
3 years ago
Simplify your answer as much as possible solve the inequality for X
evablogger [386]

Answer:

3x >   - 11 + 8 \\ 3x >  - 3 \\ x >  - 1

4 0
3 years ago
Read 2 more answers
1) Complete the sentences to explain how to multiply 4.56 x 1,000.
S_A_V [24]

Answer:

The decimal point should be moved 3 units to the right, and the result of the multiplication is 4560.

Step-by-step explanation:

Multiplication of a decimal by the nth power of 10:

In this case, the decimal point should be moved n units to the right.

Division of a decimal by the nth power of 10:

In this case, the decimal point should be moved n units to the left.

In this question:

We multiply the decimal 4.56 by 1000.

1000 is the 3rd power of 10, because 10^3 = 1000. So the decimal point should be moved 3 units to the right, and the result of the multiplication is 4560.

4 0
3 years ago
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