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prisoha [69]
4 years ago
12

One solution to a quadratic function is -4+7i, what is the other solution?

Mathematics
1 answer:
hodyreva [135]4 years ago
8 0

Answer:

-4 - 7i

Step-by-step explanation:

If a quadratic equation with real coefficients has a complex number as a solution, then the complex conjugate of that number is also a solution.

Assuming the coefficients of the quadratic function are real, then the other solution is

-4 - 7i

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3 years ago
The value of X and Y vary directly, and when X= 4 Y equals -10. Find the value of Y when X equals 10.
ziro4ka [17]

y = - 25

since x varies directly with y then we can express the relationship as

x = ky ← k is the constant of variation

to find k use the given condition y = - 10 when x = 4

k = \frac{x}{y} = \frac{4}{-10} = - \frac{2}{5}

hence x = - \frac{2}{5} y

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multiply both sides by - 5 and divide both sides by 2 )

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7 0
3 years ago
Instructions: Find the measure of the indicated angle to the<br> nearest degree
bixtya [17]

Answer:

? = 33

Step-by-step explanation:

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tan ? = 13/20

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? = 33.02386756

To the nearest degree

? = 33

5 0
3 years ago
Read 2 more answers
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