Answer:
6 > x > -7
Step-by-step explanation:
-8 < x - 1 < 5
+1 + 1 + 1
_____________
-7 < x < 6
The above answer is written in reverse, which is the exact same result.
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Answer:
∠ BOC = 40°
Step-by-step explanation:
∠ AOC = 90° , then
5x + 2x + 20 = 90
7x + 20 = 90 ( subtract 20 from both sides )
7x = 70 ( divide both sides by 7 )
x = 10
Then
∠ BOC = 2x + 20 = 2(10) + 20 = 20 + 20 = 40°
P(white) = 27/100 = 270/1000
Therefore, in 1,000 pulls, we eaxpect 270 white beads,
It has 3 zeroes which are

Hope this helped!
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