Steve will earn $160 interest after four years ⇒ 1st answer
Step-by-step explanation:
The formula of the simple interest is I = Prt, where
- P is the initial deposit
- r is the annual rate in decimal
- t is the time of investment
∵ Steve opens a bank account with a simple annual interest rate of 5%
∴ r = 5% = 5 ÷ 100 = 0.05
∵ His initial deposit is $800
∵ He will put the money for four years
∴ t = 4
- Substitute all these values in the formula above 
∵ I = 800(0.05)(4)
∴ I = 160
Steve will earn $160 interest after four years
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Answer:
Step-by-step explanation:
-3y = 4x +9 
y= -3/4x -3
 
        
             
        
        
        
Answer: 81
Step-by-step explanation: 9 times 9 = 81
 
        
                    
             
        
        
        
<span>The correct answer is 11 ft. 
Explanation: 
The diagonals of a parallelogram bisect each other. This means that the portion marked x+4 is the same length as the portion marked 2x-7; this gives us the equation x+4=2x-7. 
Subtract x from each side: 
x+4-x=2x-7-x
4=x-7. 
Add 7 to both sides: 
4+7=x-7+7
11=x</span>