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Neporo4naja [7]
3 years ago
10

Can you show me the working out for the first list and give me the answers in the simplest forms for the second one

Mathematics
1 answer:
BabaBlast [244]3 years ago
5 0
Sorry about my handwriting...
And I couldn't see thing whole thing...

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No clue what I'm doing help
Umnica [9.8K]
-32=y+4 is the answer
6 0
3 years ago
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. What is the probability that t
Alika [10]

Answer:

The probability is 8 over 15.

Step-by-step explanation:

14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar.

It means n(G and D)=14, n(D)=28, n(G)=18.

Using the formula of Union:-

n(G or D) = n(G) + n(D) - n(G and D).

n(G or D) = 18 + 28 - 14.

n(G or D) = 32.

It says 60 musicians applied for a job at a music school. So n(U)=60.

The probability that the applicant who gets the job plays drums or guitar is = n(G or D)/n(U) = 32/60 = 8/15.

Hence, the probability is 8 over 15.

Read more on Brainly.com - brainly.com/question/12053357#readmore

5 0
3 years ago
A test that is valid must have scores that fit a normal curve A be reliable B be normed on a random sample C predict future beha
sasho [114]

Answer:

A: be reliable

Step-by-step explanation:

4 0
3 years ago
What’s the vertex of the graph of the function y=x^2-8x+12
myrzilka [38]

Answer:

The vertex is 4

6 0
3 years ago
Factorise 2p^2 - p - 10<br> (2p squared)
velikii [3]

2p² - p - 10 = 0

2 = a

- 1 = b

- 10 = c

To factor, find two numbers that multiply to equal a·c and also that have a sum of b

2p² + 4p - 5p - 10 = 0

2p (p + 2) - 5 (p + 2) = 0

<h3>Answer: ( 2p - 5 ) ( p + 2 ) = 0</h3>
3 0
3 years ago
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