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natka813 [3]
3 years ago
15

Terry had his car repaired at ace auto. He was charged $50 per hour of labor plus $150 for parts. It's total bill for the repair

tax was $375. How many hours of labor was terry charge for?
Mathematics
1 answer:
amid [387]3 years ago
5 0

Answer:

Terry was charged for 4.5 hours of labor.

Step-by-step explanation:

50x + 150 = 375

Where x = hours

50x = 375 - 150

50x = 225

Divide both sides by 50 to isolate x

x = 4.5

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A 22 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1011. Find the substance's half-
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 <span>Formula for exponential decay is: 

N = No * e^-kt 

N = 1/2(45) = 22.5 

No = 45 

k = 0.1109 
The solution to your problem is as follows:

Let's try to solve the half-life if it is 45 grams, after which, you will now have an idea on how to solve the problem.

22.5 = 45 * e^(-0.1109t) 

1/2 = e^(-0.1109t) 

ln(1/2) = -0.1109t 

t = (ln(1/2))/(-0.1109) = 6.25 days


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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Answer:

To figure out the change, we subtract the original temperature by the following after temperature.

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