2 answers:
3x^2+1/ (1-x) (x+3) you have to simplify the expression
Answer:
1
Step-by-step explanation:
Please see the attached picture for full solution.
☆5th line
Neumerator:
(a +b)²= a² +2ab +b²
Thus, (1 +x)²= 1² +2(1)(x) +x²
Denominator:
(a -b)²= a² -2ab +b²
Thus, (1 -x)²= 1² -2(1)(x) +x²
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4/5 because if you divide it would be 12/15 so I simplified
Answer:
D. 154
Step-by-step explanation:
Formula
pi×r^2
r=diameter / 2
14/2=r=7
pi×7^2=154
Answer:-11
Step-by-step explanation:
y = cos x
the graph has an amplitude of 1 and a period of 2π and crosses the y-axis at 1 for x = 0 and the x-axis at 0 for x = 
Answer:
The AA similarity postulate???
