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mojhsa [17]
3 years ago
9

There are nine students in the chess club the club moderator select three of them to go to a chess tournament and how many ways

can she choose three of the nine students
Mathematics
2 answers:
Solnce55 [7]3 years ago
5 0

Answer:

84

Step-by-step explanation:

umka2103 [35]3 years ago
3 0

Answer:

apex: 84

Step-by-step explanation:


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There are 48 DVDs of comedies and dramas on the shelf. If 25% of the DVDs are comedies, how many are dramas?
Mazyrski [523]

There are 36 drama DVD's

<em><u>Solution:</u></em>

Given that there are 48 DVD's of comedies and dramas on shelf

25 % of DVD's are comedies

To find: number of drama DVD's

Total number of dvd = 48

Number of comedy dvd = 25 % of 48

Let us find 25 % of 48

\rightarrow 25 \% \text{ of } 48\\\\\rightarrow 25 \% \times 48\\\\\rightarrow \frac{25}{100} \times 48\\\\\rightarrow 0.25 \times 48 = 12

Thus, number of comedy dvd = 12

Thus we get,

number of drama DVD's = Total number of dvd - number of comedy dvd

number of drama dvd = 48 - 12 = 36

Thus there are 36 drama dvd's

4 0
3 years ago
What does it mean to cube something, thank you
nadezda [96]
To multiply it by itself three time eg 2x2x2
5 0
3 years ago
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Add. Write in simplest form.<br>-4/5 + (-3/8)
oee [108]
The answer to the question

8 0
3 years ago
Help!!! I need the answer ASAP!!!
SIZIF [17.4K]

Answer:  by combining 1/4 and 1/3 and then you find the amount of left over dog food. Multiply the fractions so they have common denominators, then add. You will get 3/12 + 4/12 = 7/12. 12 - 7 = 5, so there is 5/12 of the bag left.

Step-by-step explanation:

6 0
3 years ago
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(-6x3-4x2-8)+(x3-x2-9x+4) add together and simply
Aleksandr [31]

Answer:

-5x³ -5x² -9x - 4

Step-by-step explanation:

(-6x³-4x²-8)+(x³-x²-9x+4)

Add the like terms.

-6x³ and x³ are like terms. -6x³ + x³ = -5x³

-4x² and -x² are like terms. -4x² - x² = -5x²

-8 and 4 are like terms. -8 + 4 = -4

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6 0
3 years ago
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