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Answer:
11.9
Step-by-step explanation:
390=290e^(.025x)
x=11.85 which rounds to 11.9
Their earnings would be the same after 4 hours
Let the number of hours be x, and the weekly earning be y
So, the given parameters are:
<u>Kimi</u>
- Earnings = $9 per hour
- Weekly allowance = $8
So, the equation for Kimi's weekly earning is:

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<u>Jordan</u>
- Earnings = $7 per hour
- Weekly allowance = $16
So, the equation for Jordan's weekly earning is:

Equate both equations

Collect like terms


Divide both sides by 2

Hence, their earnings would be the same after 4 hours
Read more about linear equations at:
brainly.com/question/13729904
Answer:
See below
Step-by-step explanation:
(-12)²=144 while -(12²)=-144
Answer: The answer here is x=2
Step-by-step explanation:
This is a linear equation, take 5x to other side ut will change a sign then solve for x.
2x+5=21
2x=21-5
2x=16
Lastly divide by 2 both sides to get 2