Karen is estimating how much flour she needs if each cake requires 2 2/6 cups of flour and she is making 3 cakes. Explain how ma
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Make bottom number same
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)
=
=
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)
The sum of n terms of a geometric series is given by
Substituting the given numbers, you have
There are 6 terms in the series.
Substituting the given numbers, you have
There are 6 terms in the series.