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Sophie [7]
1 year ago
12

Solve the rational equation quantity 3 times x minus 5 end quantity divided by 7 equals four sevenths. A: f(n) = f(n − 1) ⋅ 0.3

+ 25, n > 0 B: f(n) = 100 − f(n − 1) ⋅ 0.3 + 25, n > 0 C: f(n) = f(n − 1) ⋅ 0.7 + 25, n > 0 D:f(n) = 100 − f(n − 1) ⋅ 0.7 + 25, n > 0
Mathematics
1 answer:
KengaRu [80]1 year ago
4 0

Answer:

2.8 < x -0

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Take the derivative of V we have:

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2 years ago
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Which values of x and y would make the following expression represent a real number? (4+5i)(x+yi)
algol [13]

Answer:

So x=4 and y=-5 would work.

Step-by-step explanation:

When you multiply complex conjugates, you get a real result.

Example:

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I replace i^2 with -1 since i^2=-1.

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So what is the conjugate of 4+5i?

4-5i

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A multiple of the complex conjugate would work as well.

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Answer: L = R (The second one)

Step-by-step explanation:

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