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Igoryamba
3 years ago
13

A small class has 9 students, 4 of whom are girls and 5 of whom are boys. The teacher is going to choose two of the students at

random. What is the probability that the first student chosen will be a boy and the second will be a girl?
Mathematics
1 answer:
Mazyrski [523]3 years ago
5 0
20/72 = 10/36 = 5/18
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Is 80 a multipul of 10 Asap help or i'll fail
astraxan [27]

Answer:

yes

Step-by-step explanation:

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4 0
2 years ago
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Frank is lending $1,000 to Sarah for two years. Frank and Sarah agree that Frank should earn a real return of 4 percent per year
Montano1993 [528]

Answer:

nominal rate of interest is 31.7 %

Step-by-step explanation:

given data

payment = $1000

time = 2 year

rate = 4%

CPI = 100

CPI final yer = 127.7

to find out

nominal rate of interest

solution

we know nominal rate of interest formula that is

nominal rate of interest = real interest rate + inflation rate    .........1

so here inflation rate is express as

inflation rate = ( CPI final year - CPI )  / CPI  × 100    ...........2

put here value

inflation rate = ( 127.7 - 100 )  / 100  × 100

inflation rate is 27.7 %

so from equation 1

nominal rate of interest = real interest rate + inflation rate

nominal rate of interest = 4% + 27.7%

nominal rate of interest is 31.7 %

7 0
3 years ago
N is a positive intiger. Explain why 2n+1 must be an odd number.​
pogonyaev

Answer:

Because the number would be multiplied by an even number, which is 2. If the number (odd or even) is multiplied by two, then the result would be an <em>even number</em>.

Proof:

2(1) = 2

2(6) = 12

2(7) = 14

2(3) = 6

The number would then be added by an odd number, which is 1. If an even number is added with an odd number, then the result would be an odd number.

Proof:

2 + 1 = 3

12 + 1 = 13

14 + 1 = 15

6 + 1 = 7

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There is 645 girls and 215 boys
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Please help! I'll mark as brainliest
Rudik [331]

Answer:

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7 0
3 years ago
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