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Inessa05 [86]
3 years ago
15

Please help me ........

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0
Its the first one for all three of the questions
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The area of a circle is 113.04 in.^2. What is the radius of the circle?
Lelechka [254]
\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
r=radius\\
------\\
A=113.04
\end{cases}\implies 113.04=\pi r^2
\\\\\\
\cfrac{113.04}{\pi }=r^2\implies \sqrt{\cfrac{113.04}{\pi }}=r
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3 years ago
Johnny invests $8000 in a bank account that obtains a simple interest rate of 4% per year.
horsena [70]

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3 years ago
Find a polynomial function of lowest degree with
ra1l [238]

Answer:

x^3-4x^2+25x-100

Step-by-step explanation:

We have 2 roots -5i and 4. Using the conjugate root theorem for the root -5i, we know that 5i should be another root

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8 0
2 years ago
Can anyone give me a geometric sequence will give brainlinest and need sequence of 6
snow_lady [41]

Answer:

3, 6, 9, 12, 15, 18

Step-by-step explanation:

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3 years ago
Tyler walked 6 miles in 3 hours. What was his walking rate in miles per hour
BARSIC [14]

Answer:

This comes out to 2 mph.

Step-by-step explanation:

Reduce the following fraction:

 6 miles

---------------

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