Mathematics, 20.01.2021 18:30 Katie123amazing
What is the value of b if (3 + i) and (3 - i) are complex roots of 2x² + bx + 20 = 0?
A. -12
B. -6
C. 6
D. 10
Answers: 3
Mathematics, 21.06.2019 21:30
Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?
Answers: 1
Mathematics, 22.06.2019 00:30
What is the value of the discrimination for the quadratic equation 0=×2+2+×2
Answers: 2
Mathematics, 22.06.2019 01:00
Can anyone explain to me how to do this? anything will .
Answers: 1
What is the value of b if (3 + i) and (3 - i) are complex roots of 2x² + bx + 20 = 0?
A. -12
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