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fenix001 [56]
3 years ago
8

25

Mathematics
1 answer:
ASHA 777 [7]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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3 years ago
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Jake invested $7,500 in a 5-year CD that
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D. $8,962.50

P stands for principal

R stands for rate

T stands for time

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8 0
3 years ago
The area of a rectangle is 20 cm². The height is 4 cm longer than thrice the width.
Ludmilka [50]

Answer:

width = 2 cm

Step-by-step explanation:

are of rectangle is equal to length times width

x is the width, then length is 3x + 4

so x(3x + 4) = 20

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The formula to solve a quadratic equation of the form ax^2 + bx + c = 0 is equal to x = [-b +/-√(b^2 - 4ac)]/2a

so a = 3

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    c = -20

substitute in the formula

x = [-4 +/-√(4^2 - 4(3)(-20))]/2(3)

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8 0
3 years ago
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