Mathematics, 08.02.2022 08:00 michellemonchez103
If someone does this work problems can you please put the steps of solving this, thanks
1- Maria has a goal of earning $80 per week at her after school job. Last week, she was within $7.50 of her goal. Which inequality models Maria's salary, s, last week?
A. |s-7.50| β₯ 80
B. |s-7.50| β€ 80
C. |s-80| β₯ 7.50
D. |s-80| β€ 7.50
2- Carla invested. $500 in an account that earns 4% annual interest. In approximately how many years will she have boubled her investment?
A. 14
B. 18
C. 21
D. 24
3- A company sells bags of cookies. Each bag of cookies should have a mass of 60 grams. Any bag that within 7 grams of mass cannot be sold. If x is the mass of bag of cookies, which inequality can be used to determine whether the bag can be sold?
A. |x - 7| β€ 60
B. |x - 7| β₯ 60
C. | x - 60 | β€ 7
D. | x - 60 | β₯ 7
4- plans to use a local Rent-A-Tool to rent a saw. The first hour of rental is priced at $35, while each additional hour is $20. Based on the number of hours (h) the saw is rented, which equation can be used to find the average cost (A) per hour to rent the saw?
A. A= 20h+15/h
B. A= 35 +25h/h
C. A= 20h + 15/h +35
D. A= 35+ 20(h-1)/h
5- Christa's $10 deposit in a bank pays 5% interest compounded anually. She notes that at the end of N years the balance of her account will be B=10(1.05)^N. About how many years will it take for her intial deposit to boubled in value?
A. N= log20/10log1.05
B. N= log2/log1.05
C. N= 10/1.05
D. N= log20/10.5
6- Which equation results when 100e^0.125t is solved for t?
A. t=In(16)
B. t=In(256)
C. t=8In(100)
D. t=0.08In(200)
7- What is the solution to the equation 3e^4t=60
A. t=In(5)
B. t=In(20)/4
C. t=In(60)/12
D. t=In(60)/4In(3)
8- Erin invests in an account that earns 9% anually. If she invests $500 initially, which expression can be used to find the approximate amount in the account after m months?
A. 500 (1Γ007)^m/12
B. 500 (1Γ007)^m
C. 500 (1Γ075)^m/12
D. 500 (1Γ0.75)^m
9- What is the solution to the equation 2^t = 14?
10- For what value of x is it true that e^3x+5 =20
11- What is the solution to the equation 3e^4t = 60
If someone does this work problems can you please put the steps of solving this, thanks
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If someone does this work problems can you please put the steps of solving this, thanks
1- Maria h...
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