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02-08-2021
Mathematics

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ABCD is a rectangle. AB = 3x+5, AC = 7x-9, BC = 2y+5, BD = 2x+62. Solve for x. (Round your answer to one decimal place, if necessary.)

ABCD is a rectangle AB 3x5 AC 7x9 BC 2y5 BD 2x62 Solve for x Round your answer to one decimal place if necessary class=

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wegnerkolmp2741o wegnerkolmp2741o

02-08-2021

Answer:

x=14.2

Step-by-step explanation:

AC = BD

The diagonals of a rectangle are equal

7x-9 = 2x+62

Subtract 2x from each side

7x-9-2x = 2x+62-2x

5x-9 = 62

Add 9 to each side

5x-9+9 = 62+9

5x= 71

Divide by 5

5x/5 = 71/5

x=14.2

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