Answer:
(2x + y)(2x - y)
Step-by-step explanation:
1. Simplify the square 4x²:
(2x)² - y²
2. Apple the difference of two squares formula <em>x² - y² = (x + y)(x - y)</em>:
(2x + y)(2x - y)
hope this helps!
Answer:
21(2x+1)
Step-by-step explanation:
42x+21=21(2x+1)
Answer:
x=25
Step-by-step explanation:
2x+40=90
90-40=50
50 divided by 2 is 25
x=25
Answer:
I think it is 1 student per 15 min
Step-by-step explanation:
Answer:
Principal (p) = $775
Rate of interest (r) = 4.24% = 0.0424
No of years/time (t) = 4 years
Simple interest = ptr
= 775 × 4 × 0.0424
= 131.44 dollars
Hence simple interest after 4 years is $131.44
Amount = simple interest + principal
= 775 + 131.44
= 906.44 dollars
Hence amount after 4 years is $906.44
RESULT
906.44 dollars
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