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juin [17]
3 years ago
5

PLEASE HELP, SOLVE THIS PROBLEM AND GIVE ME THE ANSWER!!!

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0

Answer:

(B) is the answer according to my calculations

Step-by-step explanation:

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vladimir2022 [97]

Using a geometric series, it is found that he swims 1897 yards in the first week.

In a geometric series, the quotient between consecutive terms is always the same, and it is called common ratio q.

The general equation of a geometric series is given by:

a_n = a_1q^{n-1}

In which a_1 is the first term.

The sum of the first n terms is given by:

S_{n} = \frac{a_1(1 - q^n)}{1 - q}

In this problem:

  • 200 yards on the first day, thus a_1 = 200.
  • Each day, the distance increases by 10%, since 100% + 10% = 110% = 1.1, q = 1.1.
  • First week is first 7 days, thus n = 7

Then:

S_{n} = \frac{a_1(1 - q^n)}{1 - q}

S_{7} = \frac{200(1 - 1.1^7)}{1 - 1.1}

S_{7} = 1897

He swims 1897 yards in the first week.

A similar problem is given at brainly.com/question/23711475

8 0
2 years ago
Can you please help you have to type in a number her is the screenshot
lyudmila [28]

Answer:

Step-by-step explanation:

Rate = (20½ pounds)/(4 hours) = (5⅛ pounds)/hour

9 hours × (5⅛ pounds)/hour = 46⅛ pounds

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3 years ago
Please answer this multiple choice question only if you know the answer!! 25 points and brainliest!
solniwko [45]

Answer:

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Step-by-step explanation:

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Which points
SIZIF [17.4K]

Answer:

5, 6 and 9 , 10 so E and F.

Step-by-step explanation:

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