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storchak [24]
3 years ago
7

Find | 3-9x | ,, if x =6

Mathematics
2 answers:
svetlana [45]3 years ago
5 0
|3-9(6)|=51
Because absolute volume always equals positive number. Negative number becomes positive.|-3-54=-52|=positive 52
Nataly [62]3 years ago
3 0
I think you answer should be 51
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Suppose that 10% of the undergraduates at a certain university are foreign students, and that 25% of the graduate students are f
Deffense [45]

Answer:

0.6154 = 61.54% probability that the student is an undergraduate

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Foreign

Event B: Undergraduate.

There are four times as many undergraduates as graduate students

So 4/5 = 80% are undergraduate students and 1/5 = 20% are graduate students.

Probability the student is foreign:

10% of 80%

25% of 20%. So

P(A) = 0.1*0.8 + 0.25*0.2 = 0.13

Probability that a student is foreign and undergraduate:

10% of 80%. So

P(A \cap B) = 0.1*0.8 = 0.08

What is the probability that the student is an undergraduate?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.08}{0.13} = 0.6154

0.6154 = 61.54% probability that the student is an undergraduate

8 0
3 years ago
Which expression is equivalent to -3 1/8 - 2 1/2 = ?
SashulF [63]

Answer:

-45/8

Step-by-step explanation:

4 0
3 years ago
Solve the given system, using the substitution method.
alexandr1967 [171]
Y = 3x - 7 . . . . . (1)
6x - 2y = 12 . . . (2)

Putting (1) into (2) gives
6x - 2(3x - 7) = 12
6x - 6x + 14 = 12
14 = 12

Therefore, there is no solution.
5 0
2 years ago
Read 2 more answers
The value of y varies jointly with the values of x and z. When x=4 and z=10 , the value of y is 360 . What is the value of y whe
Dimas [21]
The answer is four-hundred
6 0
3 years ago
At a school camp there is enough foot for 150 students for 5 days.
weeeeeb [17]

Answer:

<h3 />

Step-by-step explanation:

you need to find how much food is used for 1 person then times that answer by 100 to find how much food is needed

4 0
3 years ago
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