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Tutor profile: Mai M.

Inactive
Mai M.
Tutor for 3 years, Studied Accounting
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Questions

Subject: Pre-Algebra

TutorMe
Question:

In the following questions, solve for x in each case just by looking at the equation. 1. 18 – x = 12

Inactive
Mai M.
Answer:

x = 6 You can solve this problem through simple inspection. Because 18 – 6 = 12, x = 6.

Subject: Management

TutorMe
Question:

Discuss the various types of accounts and include examples of what information DC Surf Co may be able to provide within each type?

Inactive
Mai M.
Answer:

Income statement Balance sheet Statement cash flows Statement changes in Equity

Subject: Algebra

TutorMe
Question:

For what value of the constant K does the equation K x2 + 2x = 1 have two real solutions?

Inactive
Mai M.
Answer:

Rewrite the given quadratic equation in standard form: Kx 2 + 2x - 1 = 0 Discriminant = 4 - 4(K)(-1) = 4 + 4K For the equation to have two real solutions, the discriminant has to be positive. Hence we need to solve the inequality 4 + 4K > 0. The solution set to the above inequality is given by: K > -1 for which the given equation has two real solutions.

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