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AURORKA [14]
3 years ago
14

Please help me?!!!!!!!!!!!

Mathematics
2 answers:
geniusboy [140]3 years ago
6 0

Answer:

10% of 2,000=200

Step-by-step explanation:

The mistake she make was that she used the wrong kind of math to get the answer

MrRa [10]3 years ago
5 0
10% of 2000 is 200

Hopes it help
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Step-by-step explanation:

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Find a 5% commission for $18,000 in sales?
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What property is -7 + 8 minus + 2
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8 0
3 years ago
A calculator is required to obtain the final answer on this question. A solid metal sphere at room temperature 20oC is dropped i
yKpoI14uk [10]

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

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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

Divide both sides by -5

13 = (16)e^9^k

9k = ln (\frac{13}{16})

k = \frac{1}{9} ln (\frac{13}{16})

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

5 0
3 years ago
Please solve these 3 questions
ivolga24 [154]

Answer:

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Step-by-step explanation:

hope this helps

5 0
2 years ago
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