The perimeter of a rectangle is 34 units its width is 6.5 Units Write an equation to determine the length(l) of the rectangle.

Length=10.5

Step-by-step explanation: P=34 and W=6.5. This can also be known as Perimeter=W+L+W+L=2(W+L). In this case, it would be 34= 2(6.5 +L). 34=13+2L.(The 2L's are crossed out now because they cancel both out)

 -2L         -2L   (There is a line going down at the equal sign.

34+-2L=13 Subtract 34 from both sides and cancel the two 34's out)

-34        -34

-2L=-21 (Divide both sides by -2) (Cancel out the -2's)

 /-2  /-2

L = 10.5

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step-by-step explanation:

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of