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vovikov84 [41]
3 years ago
5

Which exponential equation is equivalent to the logarithmic equation below?

Mathematics
1 answer:
larisa86 [58]3 years ago
6 0
\log_ab=c\iff a^c=b\\\\therefore\\\\\ln3=c\iff e^c=3\to\boxed{D}
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Priya drew a circle whose area is 25 cm. Dan drew a circle whose diameter is 4 times the radius of Priya's circle. How many time
Vitek1552 [10]

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400

Step-by-step explanation:

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r = \sqrt{\frac{25}{\pi } }

we know the diameter of a circle is 2 times the radius so the diameter of priya's circle is 2x\sqrt{\frac{25}{\pi } }

this means that if the diameter of dan's circle is 4 times bigger it must be

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then use the a=\pi r^{2} equation again

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3 years ago
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iVinArrow [24]

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Step-by-step explanation:

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Show any calculations, including 180 degrees, go step by step pls.​
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Step-by-step explanation:

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