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Irina-Kira [14]
3 years ago
13

If x° and 60° are vertically opposite angles , then x° = ?​

Mathematics
2 answers:
mash [69]3 years ago
7 0

Answer:

It is x° = 60 (✿◠‿◠)

Lynna [10]3 years ago
6 0

Answer:

x° = 60

Step-by-step explanation:

Vertically opposite angles are congruent, thus

x° = 60

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One ball is to be selected from a box containing red, white, blue, yellow, and green balls. If the probability that the selected
ZanzabumX [31]

Answer:

30% probability that it will be yellow, or green

Step-by-step explanation:

The urn has red, white, blue, yellow, and green balls.

Each ball is chosen with the following probabilities:

1/10 = 10% probability it is red

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1/5 = 20% probability it is blue.

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The sum of all probabilities is 100%. So

10 + 40 + 20 + p = 100

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5 0
3 years ago
Show that in a group of five people (where any two people are either friends or enemies), there are not necessarily three mutual
sveta [45]

Answer:

Lets call the people A,B,C,D and E. We need to find an example where there are not 3 mutual friends and not three mutual enemies.

Lets start by assuming that A has 2 friends, B and C, and 2 enemies, D and E.

Since we want A,B and C not to be mutually friends, then B and C neccesarily have to be enemies.

Now, since B and C are enemies, they cant be enemies at the same time with D, and they also cant be enemies at the same time with E. Therefore one of them has to be friends with D and one has to be friends with E.

Also, since D and E are enemies with A, they neccesarily need to be friends.

From the fact that D and E are friends, we coclude that they cant have a friend in common, as a consequence, B has to be friends with one of D and E and C has to be friend with the other. We can assume that B is friend with D and C is friend with E. If we use that, we have the following friendship configuration

---------------------

Friends of A: B, C

Enemies of A: D,E

-------------------------

Friends of B: A,D

Enemies of B: C, E

------------------------

Friends of C: A,E

Enemies of C: B,D

------------------------

Friends of D: B,E

Enemies of D: A,C

----------------------------

Friends of E: C,D

Enemies of E:  A,B

--------------------------

As you can check, there is not three mutual friends nor three mutual enemies.

8 0
2 years ago
Which graph best describes this?
NemiM [27]
A, Is the answer according to my calculations.
8 0
3 years ago
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People enjoyed attending the concert in the park. Twice as many men as women attended the concert. If the total attendance was 7
vazorg [7]
Hello! A way we could solve this equation is to divide 714 by three and then multiply the quotient by 2 to get the number of men that attended. 714/3 is 238. There were 238 women that attended the concert. 238 * 2 is 476. 476 + 238 = 714. There. There were 476 men that attended the concert.
5 0
3 years ago
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Jamey took a picture to use as a logo for his company. The picture is 24 in. wide  ×  36 in. high. The logo is 6 in. wide. 
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I believe it would be 9 inches in height.
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hope this helps!
6 0
3 years ago
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