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Vlad1618 [11]
3 years ago
11

Find the cubic equation that has -1 and 2i as roots

Mathematics
1 answer:
ryzh [129]3 years ago
6 0
The cuic equation is -1 and 2i
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This scatterplot shows the mean number of people per square mile in the US during every tenth year since 1900.
Salsk061 [2.6K]

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C is the closest estimate

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2 years ago
63+d=105 What is this answerrr
Allushta [10]

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42

Step-by-step explanation:

105 - 63 = 42

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A rectangular garden has a walkway around it. The area of the garden is 4​(4.5xplus1.5​). The combined area of the garden and th
Arte-miy333 [17]

Answer:

Walkway is 1.5 units²

Step-by-step explanation:

Just subtract the area of the garden from the combined area:

<u>5.5-4=1.5</u>

Also did you mean difference? I don't know what it means by sum.

8 0
2 years ago
Trigonometry
saul85 [17]

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9.7

Step-by-step explanation:

tan=opposite/adjacent

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tan 43=9/x

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7 0
3 years ago
Simplify.<br> 4/x^2-35 - 1/x+5
Oksana_A [137]
If I understand your question well, I suppose you mean \frac{4}{ x^{2} -35} -  \frac{1}{x+5}
\frac{4}{ x^{2} -35} - \frac{1}{x+5} =  \frac{4}{(x+5)(x-7)}- \frac{1}{x+5} \\ = \frac{1}{x+5}( \frac{4}{x-7}-1) \\ = \frac{1}{x+5}( \frac{4}{x-7}- \frac{x-7}{x-7}) \\ = \frac{1}{x+5}( \frac{4-x+7}{x-7}) \\ = \frac{1}{x+5}( \frac{11-x}{x-7}) \\ = \frac{11-x}{ x^{2} -35}
6 0
3 years ago
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