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coldgirl [10]
2 years ago
6

Suppose you make coffee and it starts off just too hot to drink, so you put it in the refrigerator temporarily to cool it off. I

f the original temperature is 190 degrees Fahrenheit and the refrigerator is 36 degrees Fahrenheit, what will the temperature of the coffee be after 3 minutes? (k = 0.12)
Mathematics
1 answer:
Alex2 years ago
5 0

Answer:

Step-by-step explanation:

f(x)= 36( 1 - 0.12)^x. F(x)= 36(0.88)^3. f(x)= 95.04    190-95.05 = 94.95 degree.

Because the temperature is going down, we will use (1-0.12) instead of (1+0.12). X=3 because it is what temperature after 3 min. x= time.

I don't understand the question that well, but please don't report me. I will fix it if I can.

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Fudgin [204]
It is 10, 24 , 26 :) 
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3 years ago
during normal sleep, a bears heart beats about 50 times a minute. in its deepest state of hibernation a bears heart may beat 50
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The bear beats its heart 50/6 times a minute during deep hibernation.

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lisov135 [29]

Answer:

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Troy sold 28 bags of popcorn and 40 candy bars and made $282. Jake sold 17 bags of popcorn and 20 bags of candy and made $160.50
Ghella [55]
One bag of popcorn would cost $6.50

To solve this, we can set up equations:
28p+40c=$282
17p+20c=$160.50

To solve this system, we would need to make either the candy bars the same or the bags of popcorn the same. Since we are solving for bags of popcorn, we will make the candy bars the same:
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40(17p+20c=$160.50)

Which would give you:
560p+800c=$5,640
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Subtract them:
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_________________
120p=$780

Now divide by 120 to get the price of one bag of popcorn:
120p=$780
_________
       120

p=$6.50
3 0
3 years ago
A sinusoid with amplitude 7 has a maximum value of 23. <br><br> What is its minimum value?
saveliy_v [14]

Answer:

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Step-by-step explanation:

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