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Arte-miy333 [17]

3 years ago

8

Ruth is making a necklace for a friend . she has 3 different types of clasps, 2 different chains , and 5 different cnarms. if sh

e only puts one charm on the necklace , how many different necklaces could she make?
a) 3
b) 10
c) 25
d) 30

1 answer:

natita [175]3 years ago

8 0

The answer I think is D)30 because they want to know how many she can make so just multiple 5*2*3

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A country's population in 1994 was 182 million. In 2002 it was 186 million. Estimate the population in 2004 using the exponentia

iogann1982 [59]

$\bf =ae^{kt}\qquad 
\begin{cases}
1994\impliedby \textit{year 0, starting point}\\
t=0\qquad P=182
\end{cases}\implies 182=ae^{k0}
\\\\\\
182=a\cdot e^0\implies 182=a\cdot 1\implies 182=a
\\\\\\
thus\qquad P=182e^{kt}\\\\
-------------------------------\\\\$

$\bf P=182e^{kt}\qquad 
\begin{cases}
2002\impliedby \textit{8 years later}\\
t=8\qquad P=186
\end{cases}\implies 186=182e^{k8}
\\\\\\
\cfrac{186}{182}=e^{8k}\implies ln\left( \frac{93}{91} \right)=ln(e^{8k})\implies ln\left( \frac{93}{91} \right)=8k
\\\\\\
\cfrac{ln\left( \frac{93}{91} \right)}{8}=k\implies 0.0027\approx k\implies \boxed{P=182e^{0.0027t}}$

what's the population in 2004? well, from 1994 to 2004 is 10 years later, so t = 10

plug that in, to get P for 2004

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3 years ago

Write the equation of the line that satisfies the given conditions. Express the final equation in standard form.

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Answer:

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Step-by-step explanation:

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Now This line is perpendicular to y- axis

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GarryVolchara [31]

Let me show you a website that has saved my behind so many times in high-school...

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