Alaina was asked whether the following equation is an identity:
2 answers:
Answer: yerror she made is at the level of the first step if you want me to show it to you ask me in comment
Answer: made a step 1 mistake
Step-by-step explanation:
the step is incorrect because the expansion of (x+1)^2 is x^2+2x+1. But since there’s a minus sign before it , all plus signs should be changed to minus.
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Y=3/4x+1/4 if you take a close look at where the line crosses over the y-axis.
72 ÷ o should be the algebraic expression.
Answer:
OMG what level is this???
Step-by-step explanation:
your answer is
b = 15 pi
length of ypx = circumfrance of circle - 1/4 of circumfrance of circle
= 2pi r - 2pi r/4 = 6 pi r / 4 = 3 pi r / 2
= 3 pi × 10/2 = 15 pi
