3 years ago

Is 2 7/9 (mixed fraction) a

Mathematics

1 answer:

Tresset [83]3 years ago

7 0

2 7/9 is A. real number

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Four of the angle of a Pentagon are 70°,90°,100° and 145°. What is the side of a fifth angle?

dezoksy [38]

Answer: 135°

Step-by-step explanation:

The sum of the angles in a pentagon is equal to 540°, and the sum of the first four angles is 405°.

70 + 90 + 100 + 145 = 405

540 - 405 = 135

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3 years ago

0.03 x 5=<br><br><br> How is this solved?

Nadya [2.5K]

Answer: 0.15

Step-by-step explanation:

Multiply 0.03 by 5.

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3 years ago

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Need to know the population in 2015

Margarita [4]

$\bf P=1110.9e^{kt}\quad 
\begin{cases}
P=1200 &\textit{in thousands}\\
t=2 &\textit{in 2002}
\end{cases}\implies 1200=1110.9e^{k2}
\\\\\\
\cfrac{1200}{1110.9}=e^{2k}\implies ln\left( \frac{1200}{1110.9} \right)=ln(e^{2k})\implies ln\left( \frac{1200}{1110.9} \right)=2k
\\\\\\
\cfrac{ln\left( \frac{1200}{1110.9} \right)}{2}=k\implies 0.0385755\approx k\implies 0.0386\approx k\\\\
-------------------------------\\\\$

$\bf P=1110.9e^{0.0386t}\qquad 
\begin{cases}
t=14\\
\textit{year 2015}
\end{cases}\implies P=1110.9e^{0.0386\cdot 14}
\\\\\\
P\approx 1907.0747\implies about\ 1,907,075\textit{ once rounded up}$

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Which property states that if a = b, then b = a?

yawa3891 [41]

Symmetric or communative

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Solve for x <br> 2x+16 X+16

nydimaria [60]

Answer:

2x(16)+16(16)