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Alona [7]
3 years ago
5

You randomly choose a jelly bean from a jar. The jar contains 20 jelly beans: 4 red jelly beans, 8 yellow jelly beans, 3 green j

elly beans, and 5 purple jelly beans. Find the probability of selecting a red jelly bean. EXPRESS ANSWER AS A FRACTION! *
Mathematics
1 answer:
9966 [12]3 years ago
6 0

Answer:

1/5 probability

Step-by-step explanation:

1) The total number of jelly beans is 20. This will be your denominator.

2) There are 4 red jelly beans. This is your numerator.

3) Using the numerator and denominator we have, your fraction is 4/20.

4) That can be simplified into 1/5.

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Answer:

25. If you look at angle B from the first figure you see a square that indicates a 90 degrees angle, thus the figure shown is a right triangle. You can also see that angle C is said to have 60 degrees. a right triangle has a total angle of 180 degrees. so, 180 - 90 - 60 = 30 degrees. Therefore, angle A is 30 degrees.

27. Now you want the measure of the hypotenuse, and you know this a right triangle. so, simply use the law of sines to find the measure of AC :

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29. angle z is in the other figure and same stuff, just substract the angles, you have 90 degrees and 30 degrees... 180 - 90 - 30 = 60 degrees

31. Angle Y = 90 degrees

this value is already given, it's the little square that indicates a 90 degrees angle.

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So as you can see all the measurements are the same because if you see at the very top of your figures it says ABC = XYZ which means pretty much that they have the same values (notice that there is a little something added to the = sign, watch out for that because that's what indicates that two figures are equal in terms of angles and measures.

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