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fgiga [73]
2 years ago
8

Need help answering i would really help

Mathematics
1 answer:
algol [13]2 years ago
5 0

Can you answer the question i just posted?

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A high school club has 10 members who are seniors and 8 members who
Taya2010 [7]

Answer:

The probability that the person will not  be a senior

P(E⁻) = 1 - P(E)

       =  1- \frac{5}{9} = \frac{4}{9}

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given A high school club has 10 members who are seniors and 8 members who  are juniors

n(S) = 10 + 8 = 18

If a member is randomly selected to be the club president

Let 'E' be the event that the person will  be a senior

The probability that the person will  be a senior

      P(E) = \frac{n(E)}{n(S)}

     P(E) = \frac{n(E)}{n(S)} = \frac{10}{18} = \frac{5}{9}

The probability that the person will not  be a senior

P(E⁻) = 1 - P(E)

       =  1- \frac{5}{9} = \frac{4}{9}

     

6 0
3 years ago
The sum of interior angles of a regular polygon is 1980 degrees. How many sides does the polygon have?
Montano1993 [528]
The formula for interior angle sum is 180(n - 2).
Backtrack it from that.
180(n - 2) = 1980.
1980 / 180 = 11 = n - 2.
11 + 2 = 13 = n.
The polygon has 13 sides.
8 0
3 years ago
PLEASEE HELP ANYONE
AysviL [449]
Ithe answer is c bec if there is 3 nuts you have 1 out of 3 chance to pull out a almond or cashew.
7 0
4 years ago
Read 2 more answers
Five more than twice a<br> number is -13. Find the<br> number.
Greeley [361]

Answer:

x = -9

Step-by-step explanation:

2x + 5 = -13

    - 5  =  -5

<u>2x</u>       = <u>-18</u>

2             2

x         =  -9

3 0
4 years ago
Leila and Jo are two of the partners in a business. Leila makes $4 in profits for every $5 that Jo makes. If Jo makes $60 profit
ch4aika [34]

Answer:

<em>Leila would make a profit of $48</em>

Step-by-step explanation:

~ Knowing that there is some sort of proportion that can be formed through Leila and Jo's profit, we could form even a proportionality to compute the profit Leila makes given jo's profit of $60 ~

<em>If is is known that Leila: Jo, 4: 5, we could form such a proportion:</em>

4                5       ⇒     where x - Leila's profit knowing Jo's profit of $60

x               60

<em>Now let us solve for x, through cross multiplication:</em>

5x = 60 * 4,

5x = 240,

x =<em> profit of $48</em>

4 0
3 years ago
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