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Ksenya-84 [330]
4 years ago
12

How to write (0,8] as an inequality

Mathematics
1 answer:
larisa86 [58]4 years ago
3 0
Answer: 0 \ \textless \  x \le 8

What is given to you is interval notation. We have the interval start at 0 and end at 8. The value 0 is not included in the interval as indicated by the parenthesis. So we go with a "less than" sign (instead of a "less than or equal to" sign)

The value 8 is included since a square bracket is used here. The use of "or equal to" is needed to make sure the endpoint 8 is included.

So x can be any number between 0 and 8. It can't be 0 but it can be 8. 
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Travka [436]
Arc length = rθ    [r = radius of the circle, θ = central angle in radians]  ⇒

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8 0
3 years ago
Read 2 more answers
What is the value of angle x°?
erastova [34]

Answer:

64^\circ

Step-by-step explanation:

Please refer to the attached figure for the labeling and construction in the given figure:

Given that minor angle of arc AB is 116^\circ.

Or in other words, we can say that angle subtended on the center O by the arc is 116^\circ.

Now, PA and PB are the tangents so, if we join the center of circle O with A and B, the angles formed are right angles.

i.e.

\angle PAO = 90^\circ\\\angle PBO = 90^\circ

Now, we know that sum of internal angles of a quadrilateral is equal to 360^\circ.

Here, we have the quadrilateral AOPB.

\therefore \angle PAO +\angle PBO+\angle AOB +\angle APB=360^\circ\\\Rightarrow 90+90+116+x=360^\circ\\\Rightarrow x = 360 - 180 - 116\\\Rightarrow x = 64^\circ

Hence, the correct answer is:

x = 64^\circ

3 0
4 years ago
Solve the inequality. c + 5 ≥ 10
anzhelika [568]

Answer:

c≥5

Step-by-step explanation:

hope that helps :)

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alexdok [17]

Answer:

X=27

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