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creativ13 [48]
3 years ago
8

ASAP pls help me with this question

Mathematics
1 answer:
otez555 [7]3 years ago
4 0

Answer:

120

Step-by-step explanation:

1. Find the value of x.

The angles in a triangle have a sum of 180 degrees. To find x, add up the other two inside angles and subtract the sum from 180.

87 + 33 = 120

180 - 120 = 60 degrees.

x = 60

2. Angle y is supplementary to angle x, meaning that the sum of the two angles equals 180.

180 - 60 = 120

y = 120

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The wind blew away 24 of your muffins. That was 3/4 of them! How many are left?
forsale [732]
Set up a proportion:

3/4/24 = 1/x

Cross multiply:

3/4x = 24

Divide 3/4 to both sides or multiply by its reciprocal, 4/3:

x = 24 * 4/3

x = 96/3

x = 32

So you had a total of 32 muffins, now subtract this from the amount that blew away to find out how many you have left:

32 - 24 = 8

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3 0
3 years ago
the numbers 1,2,3,4, and 5 are written on slips of paper, and 2 slips are drawn at random one at a time without replacet. find t
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Consider such events:

A - slip with number 3 is chosen;

B - the sum of numbers is 4.

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Pr(A|B)=\dfrac{Pr(A\cap B)}{Pr(B)}.

1. The event A\cap B consists in selecting two slips, first is 3 and second should be 1, because the sum is 4. The number of favorable outcomes is exactly 1 and the number of all possible outcomes is 5·4=20 (you have 5 ways to select 1st slip and 4 ways to select 2nd slip). Then the probability of event A\cap B is

Pr(A\cap B)=\dfrac{1}{20}.

2. The event B consists in selecting two slips with the sum 4. The number of favorable outcomes is exactly 2 (1st slip 3 and 2nd slip 1 or 1st slip 1 and 2nd slip 3) and the number of all possible outcomes is 5·4=20 (you have 5 ways to select 1st slip and 4 ways to select 2nd slip). Then the probability of event B is

Pr(B)=\dfrac{2}{20}=\dfrac{1}{10}.

3. Then

Pr(A|B)=\dfrac{\frac{1}{20} }{\frac{1}{10} }=\dfrac{1}{2}.

Answer: \dfrac{1}{2}.

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
1. Triangle Inequalities in one triangle involves inequalities within the triangle itself. What are the different inequalities y
iren [92.7K]

Answer:

1)https://answers4you-ph.com/math/question513389162

2)https://learning-ph.com/math/question512796522

Step-by-step explanation:

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