Mathematics, 23.03.2020 23:22 kkkikibdh

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How do you find the answer to these questions?
What is the sum of the first six terms of the geometric series?

2 – 4 + 8 – 16 + ...
Group of answer choices

-42

42

-420

126
question 2#What is the sum of the geometric series?

-2, 6, -18, 54
Group of answer choices

-122

54

40

-2
question#3What is the sum of the geometric series?

1, 2, 4, 8, 16, 32, 64, 128, 256
Group of answer choices

-511

-72

-144

511

Answers: 1

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Mathematics, 13.10.2019 23:30

Are the lines y=-x-2 and 4x+4y=16 perpendicular? explain a. yes; their slopes have product -1 b. no; their slopes are not opposite...