You would use, Order of Operations, A.K.A PEMDAS.
Parenthesis, Exponets, Multiplication, Division, Addition, Subtraction
Follow that order and you do the work yourself, you would never learn by asking other's for the answer. >:)
From: Dark Angel

5 0

3 years ago

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The length of a rectangle is 3 more than twice its width. the perimeter is 48 feet. what is the length and width of this rectang

yanalaym [24]

48 - 3 = 45.
45 divided by 6 = 7.5
That means that the width is 7.5 and the length is 18. Hope it helps! :)

6 0

3 years ago

An account earns 10% annual compound interest. The amount in the account after t years is equal to the principal times the expre

Katarina [22]

Assuming that means 1.10^t:

0.10 is for years. To get months divide by 12.
0.10/12 = 0.0083333...
And (1+0.083333...) = 1.0833333. (You will have to multiply t by 12 also to get it in terms of months)
(1.0833333)^12t

7 0

3 years ago