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Bezzdna [24]
3 years ago
9

Find the next three terms in this sequence: 5120, 1280, 320, 80, ...

Mathematics
1 answer:
dimaraw [331]3 years ago
8 0
This seems to be dividing by 4, so the next numbers are 20, and then 5. If there is a 3rd, it's 1.25
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Question 1: Identify the zeros of the function f(x) = 4x2 − 8x − 1 using the Quadratic Formula. Answers: -1/2 + sqaureroot 5, 1/
Lelechka [254]

Answer:

1.  1/2 +/-√5

2.  1 +/-  i √6/2.

Step-by-step explanation:

1.  f(x) = 4x^2 - 8x - 1

x = [-(-8) +/-√((-8)^2 - 4*4*-1)] / (2*4)

x =[ 8 +/- √80] / 8

= 1 +/- 4√5/8

= 1 +/- √5/2

= 1/2 +/-√5

2. By a similar method the zeros of the the second equation are:

x = [-(-4) +/- √((-4)^2 - 4*2*5)]  / 4

= 4 +/- √(16 - 40) / 4

= 1 +/- √(-24)/4

= 1 +/- i  √6 * 2 / 4

= 1 +/-  i √6/2.

3 0
4 years ago
Which of the following points are solutions to the equation 3x - 4y - 8 equals 12 select all that apply
Veseljchak [2.6K]

3x - 4y - 8 = 12

3x = 12 + 4y + 8

3x = 20 + 4y

X = 20/3 + 4/3y


5 0
3 years ago
What is this I need help ASAP
KIM [24]

Answer:

i think its a 4 and half

Step-by-step explanation:

answer

7 0
3 years ago
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KonstantinChe [14]
Answer is C, 1/4 left to drink. 6/8 reduces to 3/4, so 3/4 + 1/4 = 1 whole, or 8/8
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Matt bought 6 puzzles for 5.98 each how much did he spend in all
ryzh [129]

Answer:

Step-by-step explanation:

6 puzzles for 5.98 each...

6 * 5.98 = $ 35.88 <==

5 0
4 years ago
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