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Kryger [21]
3 years ago
10

The formula F=9/5C+32 is used to convert Celsius to Fahrenheit temperature. If the temperature is 20 C what is it in Fahrenheit?

Mathematics
1 answer:
ahrayia [7]3 years ago
5 0
F = C x 9/5 + 32
(20) x 9/5 + 32
= 68
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Step-by-step explanation:

3x + 10x - 14

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$0.30 per ounce, how much would 2 lb cost?
natali 33 [55]
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3 years ago
When two of the three numbers are added at a time, the possible sums are 32, 39, 23. What is the sum of all three numbers?
arsen [322]

Answer:

47

Step-by-step explanation:

Let a, b, and c be those three numbers.

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a+b=32\\ \\a+c=39\\ \\b+c=23

Add these three equations:

a+b+a+c+b+c=32+39+23\\ \\2a+2b+2c=94

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4 0
3 years ago
A researcher is interested in knowing the average height of the men in a village. To the researcher, the population of interest
Anna11 [10]

Answer:

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Step-by-step explanation:

It is provided that the researcher's interest is in knowing the average height of the men in a village.

To the researcher, the population of interest is the <em><u>men</u></em><em> </em>in the village, the relevant population data are the <em><u>height of men</u></em> in the village, and the population parameter of interest is the <em><u>mean height of men</u></em>.

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It is also given that the  sum of the heights of the 18 village men is 104.4 feet.

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\bar x_{H}=\frac{104.4}{18}=7.8\ \text{feet}

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Answer:

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Step-by-step explanation:

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