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Llana [10]
3 years ago
7

The table below shows the preferences of 86 members of the national honor society at Mosley high school

Mathematics
1 answer:
Otrada [13]3 years ago
3 0
Prefers sports = 37
 Prefers movies = 28
 Total students = 86
 We will calculate the percentage for each case:
 sports:
 N = (37/86) * (100) = 43.02%
 movies:
 N = (28/86) * (100) = 32.56%
 Therefore, the highest percentage is found in students who prefer sports.
 Answer:
 
No, the percentage of students who prefer sports is higher than the percentage of students who prefer movies
 
option C
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A calculator is required to obtain the final answer on this question. A solid metal sphere at room temperature 20oC is dropped i
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Answer:

T = 47.1875°C

Step-by-step explanation:

Given:

Surrounding temp, Ts = 100°C

Initial Temperature ,T0= 20°C

Increase in temperature = 15°C

Final temperature, T = 20 + 15 = 35°C

Time, t = 9 seconds

Let's take Newton's law of cooling:

T - Ts = (T_0 - Ts)e^k^t

We'll solve for k

35 - 100 = (20 - 100)e^9^k

-65 = (-80)e^9^k

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k = -0.02307104053

Let's now find the temperature of the ball after 18 seconds in boiling water.

Use the Newton's equation again:

T - Ts = (T_0 - Ts)e^k^t

T - 100 = (20 - 100)e^-0.0^2^3^0^7^1^0^4^0^5^3^*^1^8

T - 100 = (-80)e^-0.0^2^3^0^7^1^0^4^0^5^3^*^1^8

T - 100= -52.8125

T = 100 - 52.8125

T = 47.1875°C

Temperature of the ball after 18 seconds in boiling water is 47.1875°C

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