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8090 [49]
3 years ago
6

Arc CD is

"absmiddle" class="latex-formula"> of the circumference of a circle. What is the radian measure of the central angle?
a.) \frac{2\pi}{3}
b.) \frac{3\pi}{4
c.) \frac{4\pi }{3}
d.) \frac{3\pi}{2}
Mathematics
1 answer:
Katarina [22]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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Help! The options are: proportional , not proportional
storchak [24]

Answer:  Not proportional

=======================================================

Explanation:

Let's assume the two fractions are equal.

If so, then,

\frac{0.2}{2.6} = \frac{0.3}{3.6}\\\\0.2*3.6 = 2.6*0.3\\\\0.72 = 0.78

The last equation is false, so the first equation is false.

Therefore, the two ratios are <u>not</u> proportional.

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

Another approach:

Calculate the decimal value of each fraction

\frac{0.2}{2.6} \approx 0.07692\\\\\frac{0.3}{3.6} \approx 0.08333\\\\

The two ratios result in different decimal values, so the two ratios are not equal, aka not proportional.

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2 years ago
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zaharov [31]
N = (6*0.2)/0.06 = 20

The number is 20
3 0
4 years ago
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Lakshmi planted 20 begonias, but her neighbor’s dog ate 7 of them. What percent of the begonias did the dog eat?
adoni [48]
100 / 20 = 5
5 * 7 = 35
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6 0
4 years ago
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What is the solution to 5/6x-1/3&gt;1 1/3
CaHeK987 [17]

Answer:

Step-by-step explanation:

\frac{5}{6}x-1>1\frac{1}{3}\\\\\frac{5}{6}x-1>\frac{4}{3}\\\\\frac{5}{6}x>\frac{4}{3}+1\\\\\frac{5}{6}x>\frac{4}{3}+\frac{3}{3}\\\\\frac{5}{6}x>\frac{7}{3}\\\\x>\frac{7}{3}*\frac{6}{5}\\\\x>\frac{7*2}{5}\\x>\frac{14}{5}\\\\x>2\frac{4}{5}

3 0
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7500 as a percentage ???????
madreJ [45]
X%=100
100%x%=7500/100
solution for 100 is what percent  of 7500
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3 years ago
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