2/9 x - 3(x - 5/4) = 2.25 - 3 7/9 x
2/9 x - 3x + 15/4 = 2.25 - 34/9 x
-25/9 x + 34/9 x = 2.25 - 15/4
x = -1.5
x = -3/2
6= -2(4) +b
6= -6 +b
+6 +6
!2= b
Y= -2x+12
Hope this helps
thanks
Answer:
The expected number of interviews is 3.25.
Step-by-step explanation:
For each person applying for a profissional position, there are only two possible outcomes. Either they land an interview, or they do not. The probability of a person landing an interview is independent of any other person. So we use the binomial probability distribution to solve this question.
Binomial probability distribution
Probability of exactly x sucesses on n repeated trials, with p probability.
The expected value of the binomial distribution is:
In this problem, we have that:
So
The expected number of interviews is 3.25.
Hello there!
|a - b| - |c + d|
|-5 - 4| - |1 +(-3)|
=|-5 - 4| - |1 - 3|
= |-9| - |-2|
Solve for the absolute value
= 9 - 2
= 7
The weight of each small tables and chairs in the United States is 15lbs and 3.5lbs respectively.
<h3>Simultaneous equation</h3>
Let
- Weight of tables = x
- Weight of chairs = y
- Cost of 3 tables and 5 chairs is 62.5lbs
- Cost of 3 tables and 2 chairs is 52lbs
3x + 5y = 62.5
3x + 2y = 52
- Subtract the equation to eliminate x
5y - 2y = 62.5 - 52
3y = 10.5
y = 10.5/3
y = 3.5 lbs
Substitute y = 3.5 into
3x + 2y = 52
3x + 2(3.5) = 52
3x + 7 = 52
3x = 52 - 7
3x = 45
x = 45/3
x = 15 lbs
Therefore, the weight of each small tables and chairs in the United States is 15lbs and 3.5lbs respectively.
Learn more about simultaneous equation:
brainly.com/question/16863577
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