E and F
note that x² + 8x + 16 is a perfect square which factors as ( x + 4 )², thus
(x + 4 )² = 7 ( take the square root of both sides )
x + 4 = ± √7 ( note plus or minus )
subtract 4 from both sides )
x = ± √7 - 4
x = √7 - 4 → E
x = - √7 - 4 → F
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Answer:
No, the two ratios are not the same.
Step-by-step explanation:
When we are saying "apples to oranges", mathematically it means:
,
Which could be 2:3 or 3:2, which in fractional from are written as and respectively.
We see that
In words the ratio 2:3 says "for every two apples there are three oranges", and 3:2 says "for every three apples there are two oranges". Again we see that the two sentences are not saying the same thing, therefore the ratio 2:3 is not same as 3:2.
Answer:
Step-by-step explanation:
- Deposit = $5000
- Interest rate = 2% simple
- Time = 5 years
<u>Interest amount is:</u>