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Keith_Richards [23]
2 years ago
13

Barb is making a necklace. She string 1 white bead,then 3 blue beads,then 1 white bead, and so on. Write the numbers for the fir

st eight beads that are white. What is the rule for the pattern?
Mathematics
2 answers:
KiRa [710]2 years ago
8 0
There will be 3 white beads out of the first 8.
omeli [17]2 years ago
7 0
1, 5, 9, 13, 17, 21, 25, 29
You are adding 4 every time. 
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a so-called zero or solution is really just an x-intercept, in which case we set the dependent variable to 0, namely y = h(x) = 0 and solve for x to get it.

\bf h(x)=4x^2-8x-60\implies \stackrel{h(x)}{0}=4x^2-8x-60\implies \stackrel{\textit{dividing by 4}}{0=x^2-2x-15} \\\\\\ 0=(x-5)(x+3)\implies x= \begin{cases} 5\\ \boxed{-3} \end{cases}

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