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tatyana61 [14]
4 years ago
6

The sum of the first 6 terms of a geometric sequence is 7, 812. the common ratio is 5. what is the second term of the sequence?

Mathematics
1 answer:
Snezhnost [94]4 years ago
4 0
OH right! I should have realised that!

S6 =  7,812 = a1 * (5^6 - 1)
                               -----------  were  a1 = first term
                                 5 -  1

3906*a1 = 7812
a1 = 7812 / 3906 =  2

Therfore the second term = 2*5  = 10 Answer
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You collect 140 total pieces of candy trick or treating and 35 of them are m&m's. What fraction of the candy is not m&m'
tekilochka [14]

\frac{3}{4} of the candy is not m&m's.

Step-by-step explanation:

Given,

Total pieces of candy = 140

Number of m&m's = 35

Fraction = \frac{Number\ of\ m&m}{Total\ pieces\ of\ candy}

Fraction = \frac{35}{140}

Both 35 and 140 are multiples of 7, therefore,

Fraction of m&m's = \frac{5}{20} = \frac{1}{4}

As the number of m&m's fraction and not m&m's fraction will make a total of 1, therefore

fraction of m&m's + fraction of not m&m's = 1

fraction of not m&m's = 1 - fraction of m&m's

fraction of not m&m's = 1-\frac{1}{4}=\frac{4-1}{4}

fraction of not m&m's = \frac{3}{4}

\frac{3}{4} of the candy is not m&m's.

Keywords: fraction, subtraction

Learn more about fractions at:

  • brainly.com/question/8929610
  • brainly.com/question/8908016

#LearnwithBrainly

7 0
3 years ago
P = $2,000<br> R = 15%<br> T = 2 years<br> Find I.<br><br> PLEASEE HELP MEE ON THIS
crimeas [40]

Answer:

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Step-by-step explanation:

I=PRT

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Write a linear equation in standard form that crosses (4, -3) and (-2, 9): 
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Slope =(9+3)/(-2-4) = 12/-6 = -2
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D is the line asked
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Which is the equation of a line that has a slope of 1/2 and passes through point (-2,3)
Gnesinka [82]

Answer:

y = 1/2x + 4

Step-by-step explanation:

8 0
3 years ago
T. Dr. Sox drives through two stoplights on
kiruha [24]

Question??

Dr. Sox drives through two stoplights on her way to work. The first light is green for 20 seconds out of each minute. The second light is green for 35 seconds out of each minute. What is the probability that Dr. Sox will hit two green lights?

Explanation;

Since this is an AND situation, we MULTIPLY the probabilities.

Answer/Explanation:

First light green:

P

1

=

20

60

=

1

3

Second light green:

P

2

=

35

60

=

7

12

Both lights green:

P

=

P

1

×

P

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1

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×

7

12

=

7

36

Of course, this is assuming that there is no "green wave" policy, or the two probabilities would not be independent

7 0
3 years ago
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