Solve the quadratic equation by completing the square.16x2 = -1 + 3x

A.
B.
C.
D.


Answer: D

Mathematics

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Identify the type of sampling described by the proposal.Based on 9,000 responses from 30,000 questionnaires sent to all its members, a major medical association estimated that the annual salary of its members was $126,500 per year.

A. convenience sample B. cluster sample C. simple random sample D. stratified sample E. systematic sample

Mathematics

Fill in the digits for the given place values in the following whole number.89,114ten-thousands   ones    

A. ten-thousands: 1, ones: 1 B. ten-thousands: 9, ones: 4 C. ten-thousands: 8, ones: 9 D. ten-thousands: 8, ones: 4

Mathematics

Combine like terms whenever possible.6y - 6x4y + 9y - 9x4y

A. 30y - 30x4y B. 15y - 15x4y C. 15y + 3x4y D. -3y - 15x4y

Mathematics

Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.6 ÷ 

A. - 1
B. 1
C. 1
D. - 1

Mathematics