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Lina20 [59]
2 years ago
11

By which angle measures can the regular pentagon be rotated so it maps onto itself?

Mathematics
1 answer:
amm18122 years ago
8 0
90• is your answer maybe If it wrong sorry
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PLEASE HELP!!! WILL GIVE BRAINLIEST!!
makkiz [27]

Answer:

Step-by-step explanation:

6 0
4 years ago
I needddddddd helpppppppppp
ale4655 [162]

Answer:

x = 142°

Step-by-step explanation:

The first thing you need to figure out is the missing interior angle of the triangle.

There is 180 degrees in a triangle, there is a 90° and 52° angle listed, so subtract that from 180° to get the missing angle.

180° - 90° - 52° = 38°

Now we want the exterior angle x. Angle x and the interior angle form a straight line when combined which will also be a 180° angle. You can picture this as a half circle (a full circle is 360°).

So subtract the interior angle 38° from 180°

180° - 38° = 142°

3 0
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
3 0
4 years ago
Three runners, Dirk, Edith, and Foley all start at the same time for a $24$ km race, and each of them runs at a constant speed.
kompoz [17]

Answer:

$12$ km

Step-by-step explanation:

IF THIS HELPED YOU PLS MARK ME BRAINLIEST I NEED IT

4 0
2 years ago
What does the word biased mean in math
OLEGan [10]
<span>unfairly prejudiced for or against someone or something.

</span>
8 0
4 years ago
Read 2 more answers
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