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RoseWind [281]
3 years ago
6

Please help me with this math problem. Thank you :)) brainliest if your correct!

Mathematics
1 answer:
Mumz [18]3 years ago
6 0

Answer:

x + 2

Step-by-step explanation:

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An investment of $7,650 at the rate of 5% and is compounded quarterly. What is the investment at the end of 9 years?
ankoles [38]

Answer:

FV = P(1 + r/t)^nt; where P is the initial investment, r is the rate, t is the number of accumulation in a year, n is the number of years.

FV = 7650(1 + 0.05/4)^(9 x 4) = 7650(1 + 0.0125)^36 = 7650(1.0125)^36 = 7650(1.564) = $11,964.17

Step-by-step explanation:

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abruzzese [7]
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=33.056
5 0
3 years ago
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The table shows the precipitation in December, in inches, for Washington state from 2005 to 2013. What was the mean amount of pr
natta225 [31]

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3 years ago
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Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9. x = –1 or 15 x = 1 or 7 x = 4 plus-or-minus S
Scrat [10]

Answer:

x = 4 ± \sqrt{73}

Step-by-step explanation:

Given

(x - 12)(x + 4) = 9 ← expand the left side using FOIL

x² - 8x - 48 = 9 ( ad 48 to both sides )

x² - 8x = 57

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 57 + 16

(x - 4)² = 73 ( take the square root of both sides )

x - 4 = ± \sqrt{73} ( add 4 to both sides )

x = 4 ± \sqrt{73}

4 0
3 years ago
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Find the upper quartile of this data set: 593, 588, 540, 434, 420, 398, 390, 375
ratelena [41]
The answer is D. 564
When you put all the numbers in order from least to greatest and find the median which is between 420 and 434, you can then find your upper quartile which would be between 540 and 588 making it D
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