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Charra [1.4K]
2 years ago
15

Given g(x)= -x-4, solve for x when g(x) =10

Mathematics
1 answer:
dalvyx [7]2 years ago
5 0

Answer:

10 =  - x - 4 \\ 10 + 4 =  -  \times  \\ 14 =  - x \\ x =  - 14

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zhenek [66]

Answer:

For complex numbers,

a + bi and a - bi

they have the interesting property that if you add them you get the real number 2a

and if you multiply them , because of the difference of square pattern, you get a^2 - b^2 i^2

But since i^2 = -1, we end up with a real number as a product.

e.g. 6 - 5i and 6 + 5i are conjugates of each other

sum = 6-5i + 6+5i = 12

product = 36 - 25i^2

= 36 -(-25) = 61

Your question is even easier, since the denominator is a monomial instead of a binomial, so we just have to multiply by i/i

Also I believe, according to the answer, that you have a typo, and you meant

(-5+i)/(2i)

= (-5+i)/(2i) *i/i

= (-5i + i^2)/2i^2)

= (-5i +i^2)/-2

= (-5i - 1)/-2

= (1 + 5i)/2 or they way they have it: 1/2 + 5i/2

5 0
3 years ago
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Determine the nature of the roots:
malfutka [58]

Answer:

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2x^2 + 8x + 3 = 0

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So there are 2 distinct ,real, irrational roots.

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3 years ago
This recipe calls for 12 cinnamon rolls but I need 30 what number do I multiply
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Answer:

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Step-by-step explanation:

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What is equivalent to 25c+15
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The Answer is: 5 (5c+3)

Step-by-step explanation:

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