5. Prove that (-1)v=-v for every vector v in a vector space.

A: We need to determine which of the sales, 170CDs or 200CDs, yields a higher profit.

A: We have to find h

A: Adding Fractions Step 1: Make sure the bottom numbers (the denominators) are the same. Step 2: Add…

A: We have to solve the given expression for y. The expression is 24=3+y.

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A: Given: R=ℝ,+,×,< C⊆ℝ is definable in R if there is a formula φx such that c∈C if and only if φc…

A: Answer y = 3  solution is given in step 2

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