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AleksAgata [21]
3 years ago
6

One circle has a circumference of 12 pie cm. Another circle has a circumference of 32pie cm. What is the ratio of the radius of

the smaller circle to the radius of the larger circle?
Mathematics
2 answers:
Jet001 [13]3 years ago
7 0
Circumference of a circle = pi * diameter, or 2(pi) * radius.
The first circle with circumference of 12pi means that the diameter is equal to 12. Since radius is just half of diameter 12/2=6. Same goes for the second circle. Half of 32 is 16. The ratio is then equal to 6:16 or 3:8
kirill [66]3 years ago
3 0
The ratio is 8:3
Ur Welcome!

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solniwko [45]
\bf h=-9.8t^2+45t+1.2\implies 64.5=-9.8t^2+45t+1.2
\\\\\\
0=-9.8t^2+45t-63.3\\\\
-------------------------------

\bf \qquad \qquad \qquad \textit{discriminant of a quadratic}
\\\\\\
0=\stackrel{\stackrel{a}{\downarrow }}{-9.8}t^2\stackrel{\stackrel{b}{\downarrow }}{+45}t\stackrel{\stackrel{c}{\downarrow }}{-63.3}
~~~~~~
\stackrel{discriminant}{b^2-4ac}=
\begin{cases}
0&\textit{one solution}\\
positive&\textit{two solutions}\\
negative&\textit{no solution}
\end{cases}
\\\\\\
(45)^2-4(-9.8)(-63.3)\implies -456.36

the discriminant is a negative value, thus no solution for such quadratic, meaning if we use h=64.5 like we did, there's no "t" seconds at which point the ball hits the batting cage.
8 0
3 years ago
Sherry swam the length of the community pool 4 times. The pool is 32 feet long.   What is the total distance Sherry swam, measur
andriy [413]
32 x4 = 128 ft

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Final Answer: 1,536 inches

Hope this helps!! :)
8 0
3 years ago
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Answer and explanation:

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And even though you meant

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sergeinik [125]

Answer:

<abd is 90

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this isnt that hard im in middle school and doing this

Step-by-step explanation:

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Answer:

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