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oksian1 [2.3K]
3 years ago
6

in a geometrical progression,the product of the 2nd and 4th term is double the the 5th terms. and the sum of the first four term

s is 80 find the G.p​
Mathematics
1 answer:
ahrayia [7]3 years ago
4 0

Answer:

solve by your self dont depend on other!

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Chelsey put for $450 into an account with a simple interest rate of 2.5% when she withdrew the money she had earned a total of $
fgiga [73]

Answer:

5.66 years

Step-by-step explanation:

450 x 1.025^(n) = 450 + 67.50

450 x 1.025^(n) = 517.50

1.025^(n) =(517.50 / 450)

1.025^(n) = 1.15

n = ln(1.15) / ln(1.025)

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6 0
2 years ago
Please help
pychu [463]

Answer:

<h2>        y = x² - 1</h2>

Step-by-step explanation:

y = -1 for x = 0 {point(0, -1)} means -1 at the end of formula

If we add 1 to y-coordinate of  every given point we get the squares of x-coordinate:

(1, 0):   1² - 1 = 0

(2, 3):   2² - 1 = 4 - 1 = 3

(3, 8):   3² - 1 = 9 - 1 = 8

(4, 15):   4² - 1 = 16 - 1 = 15

So for any x:

(x, y)   y = x² - 1

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3 years ago
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There is 16 ounces in a pound, and #1 is B I believe
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Laura earns $8.50 per hour baby-sitting for her neighbor. How much will Laura
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Answer:

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Step-by-step explanation:

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