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Gnesinka [82]
3 years ago
6

Sathish is going on a 2000 kilometer road trip with two friends. The car consumes 6 liters of gas for every 100 kilometers, and

gas costs $1.20 per liter.
If Sathish and his two friends want to split the cost evenly, how much should they each pay?
Mathematics
2 answers:
levacccp [35]3 years ago
4 0
6*1.20 is the cost in dollars per 100 kilometers. If each friend pays for one third (666.66 repeating kilometers), then they would have to pay (6*1.20)*6.66 repeating which equates to $48 per person and $144 total.
Zepler [3.9K]3 years ago
3 0

Answer:

$64.80

Step-by-step explanation:

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How can you explain the answer 4 divided by 5
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Step-by-step explanation:

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aleksandr82 [10.1K]

Answer:

(a)8.0mg

(b)36.87 hours

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Step-by-step explanation:

The amount of Valium in that person's bloodstream at any time can be modeled with the exponential decay function A ( t ) = 10 e^{ -0.0188 t (t in hours)

(a)After 12 Hours

A ( 12) = 10 e^{ -0.0188*12}\\=7.98\\\approx 8.0 mg $(to the nearest tenth of a milligram)

(b)If A(t)=5mg

Then:

5= 10 e^{ -0.0188 t}\\$Divide both sides by 10\\0.5=e^{ -0.0188 t}\\$Take the natural logarithm of both sides\\ln (0.5)=-0.0188 t\\t=ln (0.5) \div (-0.0188)\\$t=36.87 hours (to two decimal places.)

(c)

A ( t ) = 10 e^{ -0.0188 t}\\A'(t)=10(-0.0188)e^{ -0.0188 t}\\A'(t)=-0.188e^{ -0.0188 t}\\$At 6 hours, the rate at which the amount of Valium is decaying therefore is:\\A'(6)=-0.188e^{ -0.0188*6}\\$=-0.168 ( to three decimal places)

3 0
3 years ago
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7 0
3 years ago
I got this problem wrong and I have no idea how to solve it.<br>Help please ☕​
astra-53 [7]

Answer:

Step-by-step explanation:

8 0
2 years ago
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