Answer:
The area of a square is simply the side length squared and we are given that the area is 125.
Step-by-step explanation:
s^2=125
s=√125
s=5√5
Using the area equation, and adding 1 inch to s we have:
A=(s+1)^2, and using s found above we have:
A=(5√5+1)^2
A=125+10√5+1
A=126+10√5 in^2
A≈148.36 in^2 (to the nearest hundredth of a square inch)
The student forgot to distribute the P into rt as well in the second line.
So, to solve for r correctly:
A=P(1+rt)
A=P+Prt
A-P=Prt
r=(A-P)/Pt
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The answer is 4, 6, 8, 9, and 10. The following numbers (1, 2, 3, 5, and 7) are prime numbers.