Answer:
Start from coordinate 0, the exact center where the lines meet, then count down four, leave your point at -4 on the middle line.
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R = 3%/year
Equation:r = (1/t)(A/P - 1)
Calculation:Solving our equation:r = (1/7)((5445/4500) - 1) = 0.03r = 0.03
Converting r decimal to R a percentageR = 0.03 * 100 = 3%/year
The interest rate required to get a total amount, principal plus interest, of $5,445.00 from simple interest on a principal of $4,500.00 over 7 years is 3% per year.
1. "Jim is 2 years older than 3 times his little brother, Tommy."
J = 2 + 3T
"Together, their ages add up to 18."
J + T = 18
J = 18 - T, so
18 - T = 2 + 3T
4T = 16
T = 4, J = 14 (which is 2 more than 3 * T)
<span>C. Subtraction Property of Equality; Multiplication Property of Equality
For the first one, you are subtracting 7 from both sides (step b), to help isolate the y
since you are both subtracting, and "both sides" (meaning there is a equal sign) it is <em>Subtraction Property of Equality.</em>
For the second one, you are multiplying 2 from both sides (step d), to help isolate the y
since you are multiplying, and "both sides" (meaning there is a equal sign), it is <em>Multiplication Property of Equality</em>
hope this helps</span>
