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Oliga [24]
2 years ago
12

I need help on question 4 and 10

Mathematics
1 answer:
nevsk [136]2 years ago
5 0

The equivalent sets are <u>X n Y = { } and X U Y= {5, 6, 7,8, 9, 10, 12 ,14}</u>

<h3>Set theory and notation</h3>

Given the following sets expressed as;

X = {8, 10, 12, 14}

Y = {5, 6, 7, 8,9}

Since union means the combination of all the elements in both sets and intersection is the common elements in the set, hence;

X n Y = { }

X U Y= {5, 6, 7,8, 9, 10, 12 ,14}

Note that the intersection is an empty set since there is no common element

Learn more on set theory here: brainly.com/question/13458417

#SPJ1

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Help I need this ASAP
ddd [48]

Answer:

1. 7:1

2. 1:8

Step-by-step explanation:

1. Start by counting the number of triangles. We see: 56 triangles. Then, count the hearts. We see: 8 hearts.

So, the ratio of triangles to hearts is 56:8 which we simplify to get: 7:1.

2. Start by adding triangles to hearts. We get: 56+8 which equals 64.

The amount of hearts equals 8 so the ratio of hearts to (hearts + triangle) is! 8:64 which equals 1:8.

4 0
3 years ago
8 + 6x - 10x = 16 - 8x
Svetllana [295]
The answer is x=2

Remember, first add/substract the like terms, in this case 6x-10x to get -4x. Then, add 8x to negative 8x to cancel it out and do the same thing to -4x. Do this with all your terms and you should get 4x=8. Then divide both sides by 4 to get x=2.
4 0
3 years ago
If 70% of college students say they have a job what is the probability that 3 randomly selected college students say they have a
dsp73

Answer: 0.343

Step-by-step explanation:

Probability of college students that say they have a job = 70%

Number of randomly selected college students = 3

The probability that 3 randomly selected college students say they have a job will be:

= (70/100)³

= 0.7 × 0.7 × 0.7

= 0.343

4 0
3 years ago
What are the solutions of the equation x^2 =4? Use of the related function
Dmitry_Shevchenko [17]
Well threw my calculations would be <span><span>  x=  0.0000 - 2.0000 i 
</span><span>  x=  0.0000 + 2.0000 i

</span></span>
4 0
3 years ago
Read 2 more answers
Grandma made an apple pie. Josh and his brother joe finished 4/5 of it. Then 3 friends came over and shared the left over. How m
love history [14]

Answer:

The 3 friends ate 1/5 of the pie.

Step-by-step explanation:

The total of this pie is 5/5 so if Josh and his brother ate 4/5 of the pie that means that there was 1/5 pie left so that is what the 3 friends ate.

Hope I helped :)

4 0
3 years ago
Read 2 more answers
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