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Reminder :
![(x + a)(x + b) = {x}^{2} + (a + b)x + (a \times b) \\](https://tex.z-dn.net/?f=%28x%20%2B%20a%29%28x%20%2B%20b%29%20%3D%20%20%7Bx%7D%5E%7B2%7D%20%2B%20%28a%20%2B%20b%29x%20%2B%20%28a%20%5Ctimes%20b%29%20%5C%5C%20%20)
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![{v}^{2} + ( - 7s {u}^{2} + s {u}^{2})v +( ( - 7s {u}^{2})(s {u}^{2} )) = \\](https://tex.z-dn.net/?f=%20%7Bv%7D%5E%7B2%7D%20%2B%20%28%20-%207s%20%7Bu%7D%5E%7B2%7D%20%2B%20s%20%7Bu%7D%5E%7B2%7D%29v%20%2B%28%20%28%20-%207s%20%7Bu%7D%5E%7B2%7D%29%28s%20%7Bu%7D%5E%7B2%7D%20%29%29%20%3D%20%20%5C%5C%20%20%20%20%20)
![{v}^{2} - 6s {u}^{2} v - 7 {s}^{2} {u}^{4} \\](https://tex.z-dn.net/?f=%20%7Bv%7D%5E%7B2%7D%20%20-%206s%20%7Bu%7D%5E%7B2%7D%20v%20-%207%20%7Bs%7D%5E%7B2%7D%20%7Bu%7D%5E%7B4%7D%20%20%20%5C%5C%20)
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Answer:
1/2 * 7/4 = 7/8
Thank you and please rate me as brainliest as it will help me to level up
Answer:
C. the average total cost for the first month of a gym membership
Step-by-step explanation:
x=1 is for month 1,
the value of y includes 1-month fee and one off payment, so this is the average total for the first month of membership
Answer: $2,000,000
Explanation: Let X be the amount of Avery's investment. Since she will receive $40,000 every year for the next six years, the most she will earn is
$40,000 × 6 = $240,000.
Since she wants to earn 12% on her investment, her earnings is equal to 12% of X = 0.12X. Since the most she will earn is $240,000,
0.12X ≤ 240,000
X ≤ 240,000 ÷ 0.12 = 2,000,000 (Divide both sides by 0.12)
Hence X ≤ 2,000,000. Therefore, the most amount she should invest is $2,000,000.