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Chiamaka A.
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Pre-Calculus
TutorMe
Question:

What is the exact value of cos 45 degrees?

Chiamaka A.
Answer:

Expand (3+4i)^3

Basic Chemistry
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Question:

What is the oxidation number of Mn in KMnO4

Chiamaka A.
Answer:

Which of the following elements has the highest electronegativity a) Mg b) Cl c) Zn d) Fe

Algebra
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Question:

Solve for the value of x: 5x +2 = 7x +3

Chiamaka A.
Answer:

5x+ 6 = 22 11x+7 = 30 Find the value of x

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