What is the answer ? i have to match it

Mathematics

1 answer:

jek_recluse [69]3 years ago

4 0

Answer:

see below

Step-by-step explanation:

As with many multiple-choice questions, the appropriate choices can often be determined with a simple test. Here, you only need to look at the values of the constants. (Those are ringed in blue.)

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In a certain Algebra 2 class of 25 students, 13 of them play basketball and 11 of them play baseball. There are 4 students who p

Flauer [41]

Answer:

$\frac{4}{5}$

Step-by-step explanation:

Given: There are 2 classes of 25 students.

13 play basketball

11 play baseball.

4 play neither of sports.

Lets assume basketball as "a" and baseball as "b".

We know, probablity dependent formula; P(a∪b)= P(a)+P(b)-p(a∩b)

As given total number of student is 25

Now, subtituting the values in the formula.

⇒P(a∪b)= $\frac{13}{25} +\frac{11}{25} -\frac{4}{25}$

taking LCD as 25 to solve.

⇒P(a∪b)= $\frac{13\times 1+11\times 1-4\times 1}{25} = \frac{20}{25}$

∴ P(a∪b)= $\frac{4}{5}$

Hence, the probability that a student chosen randomly from the class plays both basketball and baseball is $\frac{4}{5}$ .

6 0

3 years ago

10,885 divided by 1,555

Nikolay [14]

Yes? 10,885/1,555 is 7

7 0

3 years ago

The sum of two consecutive integers<br> is sixty-five. Find the smaller of the<br> two numbers.

Darina [25.2K]

Answer:

Step-by-step explanation:

We can write an algebraic equation to solve this situation: $x + x + 1 = 65$ , where x = first integer (small number) and x + 1 = the following integer.