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mario62 [17]
3 years ago
14

There are 10 board members on the Community Arts Council. In how many ways can a president and treasurer be chosen

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
3 0

Answer:

45

Step-by-step explanation:

This is a combination question: how many ways can you pick 2 people from a group of 10?

Using the notation C(10, 2) for the number of combinations of 10 things chosen 2 at a time...

C(10, 2)=\frac{10!}{2!(10-2)!}=\frac{10!}{2!\cdot 8!}=\frac{10\cdot 9}{2\cdot 1}=45

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Ad libitum [116K]

Answer:

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3 0
3 years ago
What is the answer?<br> It says i should put it in the order and which one comes first
Rudik [331]

Answer:

B. -11

Step-by-step explanation:

ascending order means least to greatest.

-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7,...

3, -1, \sqrt{5}, 13, -11

-11 is the least number because it is the greatest negative number

8 0
3 years ago
ANSWER ASAP FOR BRANINETEST
zalisa [80]

Answer:

2 3/5

Step-by-step explanation:

Simply change the 1st fraction into improper form:

17/5 - 4/5

Then subtract

13/5

Then write into mixed fraction

2 3/5

8 0
3 years ago
Read 2 more answers
How many repeating digits are in 0.ModifyingAbove 536 with bar? 1 2 3 4
Maksim231197 [3]

Answer:

3

Step-by-step explanation:

We want to determine the number of repeating digits in 0.\overline{536}

We can rewrite this number as: 0.\overline{536}=0.536536536536536536536...

Therefore the digits that are repeating are: 536.

Hence the number of digits repeating is 3.

The third choice is correct

5 0
3 years ago
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The ice cream shop sells sundaes for $2 each and banana splits for $3 each. One day, the shop sold 8 more sundaes than banana sp
Nataliya [291]

Answer:

$82 sundaes

$74 banana split

Step-by-step explanation:

Step one :

Given data

Cost of sundaes =$2 each

Cost of banana split =$3 each

Let the number of sundaes bought be x

And the number of banana split bought be y

The total is x+y

The shop sold 8 more Sundaes than the Banana split

x=8+y—-------1

Total amount made = $156

Therefore the system of equation for the situation is

x=8+y----—----------1

2x+3y=156---------2

But x=8+y

8+y+y=156

8+2y=156

2y=156-8

2y=148

Divide both sides by 2

y=148/2

y=74

On That day they sold $74 banana split

And also they sold x=8+74=$82 sundaes

4 0
3 years ago
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