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saw5 [17]
3 years ago
11

Which of the following are examples of acute angles? Choose all that apply

Mathematics
2 answers:
kaheart [24]3 years ago
8 0
An acute angle is an angle that is less than 90*. so, assuming that they are talking about a normal sheet of paper and a normal window, both are out. 

Knives pointed end is right.
Scissors as wide as they can go will be an obtuse angle so no.
A sharpened tip of a pencil will be correct.
irga5000 [103]3 years ago
4 0
D and E. An acute angle is any angle that is less than 90(a right angle). A is an obtuse angle(more than 90). And B + C are right angles. Hope this helps you!
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Answer:

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Step-by-step explanation:

8 0
3 years ago
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lana [24]

Answer:

The proportion of piano prices higher than the electric piano is 98.3%

Step-by-step explanation:

The first thing to do here is to calculate the standard score of the price of the electric piano given.

Mathematically, this is

z-score = (x-mean)/SD

where mean is 3000 and SD is 200, x is 2576

z-score = (2576-3000)/200 = -2.12

Now we proceed to calculate the probability of this z-score

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Using standard score probability calculator or table, we have

P(x>2576) = 1 - P(x<2576)

But, P(x<2576) = 0.017003

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This is same as 98.3%

4 0
3 years ago
Mathematic equation <br> solve q <br> 11=8(3q-1)
pickupchik [31]
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4 0
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