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Answer:
Step-by-step explanation:
y/4 - 4 = 3
Add four to both sides | y/4=7
We know that 7*4=28 so therefore y must be 28 | 28/4=7
7=7
Therefore y=7
Answer: 1: parrallel
2:perpendicular
3; neither
4; perpendicular. 5: parrallel
Step-by-step explanation:
We have to apply the simple interest formula:
I = p x r x t
Where :
I = interest
p = principal amount
r= interes rate ( in decimal form, percentage divided by 100)
t= time (years)
Replacing with the values given:
I = 750 x (7/100) x 3
I = 750 x 0.07 x 3
I = $157.7
