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Nastasia [14]
2 years ago
9

Answer ASAP please this is important

Mathematics
1 answer:
saul85 [17]2 years ago
8 0

Answer:

  1. 7 students like art only.
  2. 32 students
  3. 18 students
  4. 4 students
  5. 9 students
  6. x squared - 2
  7. 7x-10
  8. x times 10
  9. 3+ 2x
  10. 2x - (2x squared)
  11. 4+-4=0
  12. 6+6=12
  13. (2 times -2 times 3) squared = -144
  14. 0-5= -5

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On the first day of​ June, there were about 17.71 h of daylight in a city. Five months​ later, there were about 5.30 h of daylig
Andru [333]

Answer:

Percentage increases and decreases, are found by setting the problem up proportionally.

 

You are trying to find what percentage of 17.37 is 8.30 first.

 

so What %/100 = 8.30/17.37

 

Now define a variable:

 

Let x = What%  

 

x/100 = 8.30/17.37

17.37x = 830

x = 830/17.37

x ≈ 47.78

 

8.30 is approximately 47.78% of 17.37, so the percentage decrease is 100% - 47.78% = 52.22%

The percentage decrease is approximately 52.22%

7 0
3 years ago
A company surveyed 2,600 North American airline passengers and reported that approximately 75% said that they carry a smartphone
geniusboy [140]

The probability that exactly six out of ten carry a smartphone when travelling is; <u><em>P(6) = 0.146</em></u>

The missing part of the question is;

The probability distribution of x is the binomial distribution with n = 10 and p = 0.75.

Calculate P(6)

  • This is a binomial <em>probability distribution</em> problem that has a general formula as; P(x) = ⁿCₓ × pˣ × q⁽ⁿ ⁻ ˣ⁾

Where;

p is probability of success

q is probability of failure

n is number of experiments

In this question;

n = 10

p = 75% = 0.75

q = 1 - p

q = 1 - 0.75

q = 0.25

Since six passengers are randomly selected, then applying the formula earlier quoted, we have;

P(6) = ¹⁰C₆ × 0.75⁶ × 0.25⁽¹⁰ ⁻ ⁶⁾

P(6) = 0.146

Read more at; brainly.com/question/24239758

4 0
2 years ago
Is the expression 6(1 + m) equal to 6 + 6m? Why or why not? How do you know?​
lesya692 [45]

Answer:

Yes, they are equal because of distributive property

Step-by-step explanation:

6(1 + m) = 6 + 6m

3 0
2 years ago
Write these nums in order from least to greatest.
Studentka2010 [4]
The answer TO your question is the sequence B
4 0
3 years ago
Margie says the set of numbers, 0.1, -1, -21
rjkz [21]

Answer:

-21, -1, 0.1, 3, 4

Step-by-step explanation: the higher the negative number is the lower the number is for example -30 is lowe then -1

4 0
3 years ago
Read 2 more answers
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