3 years ago

Katie divided 4.25 by 0.25 and got a quotient of 0.17 what is wrong?

Mathematics

2 answers:

nalin [4]3 years ago

8 0

It should be 17 because 4.25 divided by 0.25 is the same as 425/25 which is 17.

Anna71 [15]3 years ago

5 0

She put the decimal place in the wrong spot. its 17

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The area of circular garden is 530.66 feet2. What is the circumference of the garden? (Use 3.14 for .

iVinArrow [24]

$\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
------\\
A=530.66
\end{cases}\implies 530.66=\pi r^2
\\\\\\
\cfrac{530.66}{\pi }=r^2\implies \sqrt{\cfrac{530.66}{\pi }}=r
\\\\\\
\textit{circumference of a circle}\\\\
C=2\pi r\qquad \implies C=2\pi \left( \sqrt{\cfrac{530.66}{\pi }} \right)$