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Margarita [4]
4 years ago
9

What’s the Answer to this I got 24 somehow

Mathematics
1 answer:
Bess [88]4 years ago
6 0

Answer:

0

Step-by-step explanation:

So we have the expression:

\frac{2x+y}{xy-2x}

And we want to evaluate it for x=-4 and y=8.

So, substitute:

\frac{2(-4)+(8)}{(-4)(8)-2(-4)}

Multiply:

=\frac{-8+8}{-32+8}

Add:

=\frac{0}{-24}

Evaluate:

=0

So, our answer is 0.

And we're done!

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A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive
Ksivusya [100]

The question is incomplete! The complete question along with answers and explanation is provided below!

Question:

The age distribution of students at a community college is given below:

Number of students under 21: 416

Number of students 21-25: 402

Number of students 26-30: 210

Number of students 31-35: 55

Number of students over 35: 24

Total number of students: 1107

A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive. Round approximations to three decimal places.

Answer:

Probability of age 26-35 = 0.239 or 23.9 %

Step-by-step explanation:

The no. of students in the age 26-35 = no. of students of age 26-30  + no. of students of age 31-35

The no. of students in the age 26-35 = 210 + 55

The no. of students in the age 26-35 = 265

Total no. of students: 1107

Probability of age 26-35 =  The no. of students in the age 26-35/ Total no. of students

Probability of age 26-35 = 265/1107

Probability of age 26-35 = 0.239

Probability of age 26-35 = 23.9 %

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