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3 years ago

Why do you have a premium? That's :(

Mathematics

2 answers:

tekilochka [14]3 years ago

5 0

Answer:

i dont have a premium

Step-by-step explanation:

GaryK [48]3 years ago

4 0

Answer:

Step-by-step explanation:

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SOLVE Steven had 325 points in 20 games. What was his average points per game?

finlep [7]

Answer:

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3 years ago

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PLZ SOLVE, NEED DONE BY 3:15!!!!!!!!!

Oliga [24]

Answer:

Train A - 80

Train B - 85

Train B is faster.

Step-by-step explanation:

Hope this helps! Pls give brainliest!

3 0

2 years ago

four-fifths of the senior class went to prom. if 324 seniors went to prom, how many are there in the senior class

romanna [79]

The answer to your question is 405, because look divide 324 by 4 becasue thats how many fifths are being used then multiply the answer which is 81 by 405

3 0

3 years ago

A special type of door lock has a panel with five buttons labeled with the digits 1 through 5. This lock is opened by a sequence

belka [17]

There are several ways the door can be locked, these ways illustrate combination.

There are 3375 possible combinations

From the question, we have:

$\mathbf{n = 5}$ --- the number of digits

$\mathbf{r = 3}$ ---- the number of actions

Each of the three actions can either be:

Pressing one button
Pressing a pair of buttons

The number of ways of pressing a button is:

$\mathbf{n_1 = ^5C_1}$

Apply combination formula

$\mathbf{n_1 = \frac{5!}{(5-1)!1!}}$

$\mathbf{n_1 = \frac{5!}{4!1!}}$

$\mathbf{n_1 = \frac{5 \times 4!}{4! \times 1}}$

$\mathbf{n_1 = 5}$

The number of ways of pressing a pair is:

$\mathbf{n_2 = ^5C_2}$

Apply combination formula

$\mathbf{n_2 = \frac{5!}{(5-2)!2!}}$

$\mathbf{n_2 = \frac{5!}{3!2!}}$

$\mathbf{n_2 = \frac{5 \times 4 \times 3!}{3! \times 2 \times 1}}$

$\mathbf{n_2 = 10}$

So, the number of ways of performing one action is:

$\mathbf{n =n_1 + n_2}$

$\mathbf{n =5 + 10}$

$\mathbf{n =15}$

For the three actions, the number of ways is:

$\mathbf{Action = n^3}$

$\mathbf{Action = 15^3}$

$\mathbf{Action = 3375}$

Hence, there are 3375 possible combinations

Read more about permutation and combination at:

brainly.com/question/4546043

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2 years ago

Two number cubes are rolled and the results are added. What is the probability that the sum is equal to 2?

vodomira [7]

Answer:

Well, assuming that these are cubes labeled 1-6, there is a 1/12 chance of the sum equaling 2, since they would both have to land on 1

Step-by-step explanation:

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2 years ago

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