I need help with math please and thank you

Mathematics

1 answer:

Harrizon [31]3 years ago

3 0

Answer:

I'm pretty sure its 1/4

Step-by-step explanation:

set up the composite function and evaluate

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100 POINTS NO JOKE

Alenkasestr [34]

Answer: y=18x

Step-by-step explanation:

18$ each. You start off with no profit so.

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3 years ago

Which point represents the solution to the system

Alborosie

Answer:

Step-by-step explanation:

$3x - 2y = 12 \\ 2x + 2y = 3 \\ 2y = 3 - 2x \\ 3x - (3 - 2x) = 12 \\ 3x - 3 + 2x = 12 \\ 5x = 15 \\ x = 3 \\ 2y = 3 - 6 = - 3 \\ y = - \frac{3}{2}$

(3, -3/2)

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3 years ago

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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kvasek [131]

Answer:

0.3

Step-by-step explanation:

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3 years ago

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lisabon 2012 [21]

1:8 because there’s only one green to 8 colours

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3 years ago

Read 2 more answers

I need help with math please and thank you ​

I need help with math please and thank you