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bagirrra123 [75]

2 years ago

7

A French class has a total of 31 students. The number of males is 7 more than the number of females. How many males and how many

females are in the class?

1 answer:

Inessa05 [86]2 years ago

5 0

Answer:

12

Step-by-step explanation:

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If i have a forest composed of 25 species of trees, each with a known abundances, how many events are there in the sample space

Vsevolod [243]

There are 25 species of trees, each with a known abundances. The question is how many possible ways to randomly select one tree there are.
We should calculate the number of combinations. Combinations, because we select item/s from a collection. In this case, when we select only one item, the combination is also a permutation. From set of n objects we select r. In our case: n=25, r=1.
The equation is: n!/r!(n-r)!= 25!/1!*24!=25*24!/24!=25
There are 25 different outcomes (events).

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3 years ago

A rectangular prism has a length of 5 meters, a width of 634 meters, and a height of 312 meters.

olga_2 [115]

The answer is 405,076 meters.

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3 years ago

A leg of a right triangle measures 12 cm. The hypotenuse of the triangle measures 37 cm. What is the measure, in centimeters of

Setler79 [48]

Answer:

<h2>The answer is 35</h2>

Step-by-step explanation:

Since the triangle is a right angled triangle we can use Pythagoras theorem to find the missing side b

Using Pythagoras theorem we have

a² = b² + c²

where a is the hypotenuse

Substitute the values into the above formula and solve

That's

<h3> ${37}^{2} = {b}^{2} + {12}^{2} \\ {b}^{2} = {37}^{2} - {12}^{2} \\ { b}^{2} = 1369 - 144 \\ {b}^{2} = 1225 \\ b = \sqrt{1225}$ </h3>

We have the final answer as

<h3>35</h3>

Hope this helps you

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Step-by-step explanation:

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