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frozen [14]
3 years ago
15

Increase 28 by 7 percent

Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0
7 percent... 7 percent of what?

AnswerP 7 % of 28!

so we need to know what 7% of 28 is:

\frac{7*28}{100} =1.96.

After the increase:

28+1.96=29.96
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Need to know the population in 2015
Margarita [4]
\bf P=1110.9e^{kt}\quad 
\begin{cases}
P=1200 &\textit{in thousands}\\
t=2 &\textit{in 2002}
\end{cases}\implies 1200=1110.9e^{k2}
\\\\\\
\cfrac{1200}{1110.9}=e^{2k}\implies ln\left( \frac{1200}{1110.9} \right)=ln(e^{2k})\implies ln\left( \frac{1200}{1110.9} \right)=2k
\\\\\\
\cfrac{ln\left( \frac{1200}{1110.9} \right)}{2}=k\implies 0.0385755\approx k\implies 0.0386\approx k\\\\
-------------------------------\\\\

\bf P=1110.9e^{0.0386t}\qquad 
\begin{cases}
t=14\\
\textit{year 2015}
\end{cases}\implies P=1110.9e^{0.0386\cdot 14}
\\\\\\
P\approx 1907.0747\implies about\ 1,907,075\textit{ once rounded up}
3 0
3 years ago
Jackson says has an odd number of model cars.he has 6 cars on one shel and 8 cars on another shelf.is jackson correct?explain
grigory [225]
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I hope this helps! If not I'm sorry. 
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Find the value or measure. Round answers to the nearest tenth, as needed.
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Answer:

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Step-by-step explanation:

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If I worked for 1 hour and got paid $10 per hour. How much would I get paid working 8 hours?
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Read 2 more answers
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Step-by-step explanation:

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The depth of the reflector is the distance from the vertex to the directrix. In this case, the vertex is at the origin, so the depth is simply the distance from the origin to the line y = -1.3. Since the directrix is a horizontal line, this distance is simply the absolute value of the y-coordinate of the line, which is 1.3 inches. Therefore, the depth of the reflector is approximately 1.3 inches.

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