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klio [65]
3 years ago
13

Mary purchased 20oz of peanut butter for $2.79. Calculate the price per ounce

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0
Around 0.139 or 0.40, divide 2.79/20
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Radda [10]

Two main facts are needed here:

1. The logarithm \log x, regardless of the base of the logarithm, exists for x>0.

2. The square root \sqrt x exists for x\ge0.

(in both cases we're assuming real-valued functions only)

By (2) we know that \sqrt{2x-1} exists if 2x-1\ge0, or x\ge\dfrac12.

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3 0
3 years ago
The ratio of side lengths of a quadrilateral is 3 : 5 : 6 : 9, and its perimeter is 9.2cm. What is the length of the longest sid
wolverine [178]

Answer:

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2 years ago
12 out of 15 people in the US like to eat out. if 400 people selected eating out how many people took the survey?
butalik [34]
12/15 = 400/500

500 people took the survey.
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2 years ago
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