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2 answers:
Answer:
Step-by-step explanation:
(x + y) 2
x2 + 2xy + y2
Answer:
Step-by-step explanation:
This is an example of "the square of a binomial." There is a formula for such cases;
(a + b)^2 = a^2 + 2ab + b^2 (worth memorizing)
Thus, our (x + y)^2 = x^2 + 2xy + y^2
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Answer:
this is the answer: 28
hope i helped :)
Step-by-step explanation:
First find the perimeter of the rectangle: 2w+2l which is 8+28=36. Then find the square root of 36 which is 6 so that is the answer.
A = 2•3.14•3•8 + 2•3.14•3^2 = 207.34512
Step-by-step explanation:
in this situation
A+B =D
C because if you divide the angle minus the feet you get 120
