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Thepotemich [5.8K]
4 years ago
13

On a math test, 5 out of 20 students got an A. If three students are chosen at random without replacement, what is the probabili

ty that all three got an A on the test?
Mathematics
1 answer:
Y_Kistochka [10]4 years ago
7 0

Answer:

5

Step-by-step explanation:

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calculate the rate of change <br> -24 ,60) ,( -34, 50<br> please help
VLD [36.1K]

Step-by-step explanation:

the rate of change is the slope of the line connecting both points.

the slope is the ratio y/x indicating how many units y changes, when x changes a certain amount of units when going from one point to another.

so, here

x changes by -10 units (from -24 to -34)

y changes by -10 units (from 60 to 50).

the slope or rate of change is -10/-10 = 1/1 = 1

4 0
2 years ago
At the start of the month, Suzanne's clothing store website had 7,278 hits. At the end of the month, it had 50,165 hits. If each
anyanavicka [17]

Answer:

  • <u><em>Option A. 64,500</em></u>

Explanation:

1. First, calculate the number of hits had during the month, by difference:

  • 50,165 hits - 7,278 hits = 42,887 hits

2. Round the result to obtain an approximation = 43,000 hits

3. Multiply by the time that each lasted:

  • 43,000 hits × 1.5 min/hit = 64,500 minutes.

Hence, the answer is the option A.

3 0
3 years ago
A service man deposited his saving of Rs 4500 in a bank. At the end of 3year if he received a amount of Rs 5715 from the bank fi
Nikolay [14]

Answer: financial stabibilities is the answer

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
The heights of 6 randomly selected students in a classroom are 64 inches, 73 inches, 67 inches, 70 inches, 69 inches, and 65 inc
sveta [45]
The answer is 68 inches. The mean is the average, so you would need to add all the numbers (408), and divide by how many there are (6) which will give you 68.
5 0
4 years ago
Read 2 more answers
Ken has a toy chest with hot wheels cars. He has 6 camaros, 2 Lamborghinis, 4 corvettes, 8 Ferraris and 12 mustangs. Ken wants t
ipn [44]
Lamborghini=
fraction = 2/32
Decimal = 0.0625
Percentage= 6.25%

Corvette=
Fraction= 4/32
Decimal=0.125
Percentage=12.5%



Explanation:


Since the problem says “lamborghini OR corvette” you need to add the probability amount of both cars together. There are 2 lamborghinis and 4 corvettes, so 2+4=6. Now, put this number over the total amount of all cars. 6+2+4+8+12=32. So, the probability will be 6/32 which simplifies to 3/16. In decimal form this is .1875, and in percent form this is 18.75% (move the decimal 2 places to the right)
5 0
2 years ago
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