Solve the quadratic equation by completing the square.7x2 - 2x - 2 = 0

A. x = 
B. x = 
C. x = 
D. x = -2, x = 


Answer: A

Mathematics

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If A and B are independent events, , and Roman|11|#000000|False|False|False{{{|}}}mathml|CONTAINER_ID_FIELDCogneroEndAlgorithmData&varname=IMPVAR%5F3bc6eeb92f2d4e06a239b37ec&varid=VARIABLE_ESCAPED_ID_FIELD&rnd=725feda382b14d50af3c2d894edc389f" class="Wirisformula" style="vertical-align:-4px;" varid="VARIABLE_ID_FIELD" variablename="IMPVAR_3bc6eeb92f2d4e06a239b37ec" />, find .
?

A.


B.


C.


D.


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Find the limit.

A.
B.
C. 35
D. No limit

Mathematics

Solve the problem.In how many ways can you answer the questions on an exam that consists of 11 true-false questions?

A. 2128 B. 2168 C. 1984 D. 2048

Mathematics

Solve the problem.Suppose a life insurance policy costs $20 for the first unit of coverage and then $5 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?

A. $70 B. $30 C. $65 D. $50

Mathematics