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Alex787 [66]
3 years ago
6

What the answer 40 points plz and brainliest

Mathematics
2 answers:
steposvetlana [31]3 years ago
7 0

Answer:

Number of widgets made per hour by Machine A: 30/6=5

Number of widgets made per hour by Machine B: 64/8=8

Number of widgets made per hour by Machine C: 18/3=6

Machine B was the fastest.

pantera1 [17]3 years ago
4 0

Answer:

Widget per hours for A: 5

Widgets per hour for B: 8

Widgets per hour for C: 6

Widget B is the fastest

Step-by-step explanation:

A: 30 /6 = 5

B: 64/8 = 8

C: 18/3 = 6

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Step-by-step explanation:

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If a race car averages 138 miles per hour for 4 ​hours, how far does the car​ travel?
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552 miles :)

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2 years ago
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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-
Eddi Din [679]
 <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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4 0
3 years ago
-8-n=-3(2n-4) solve for n<br> please help
Masja [62]
-8-n=-6n+12
+8. +8
-n=-6n+20
+6n +6n
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3 years ago
A cat weighs 3.5 ounces when born. The cat grows 0.5 ounces each week. After
ehidna [41]

Answer:

10 weeks

Step-by-step explanation:

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