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Crank
3 years ago
12

3. A Card is drawn from the deck and is not put back

Mathematics
1 answer:
N76 [4]3 years ago
8 0

Answer:

dependent

Step-by-step explanation:

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Solve the inequality and state the answer in interval notations 3x-7 ≤ 14
emmainna [20.7K]

Answer:

Step-by-step explanation:

3x-7 ≤ 14

3x≤ 14+7

3x≤ 21

x≤ 21/3 = 7

=> x = (-∞;7]

That means that x can be any negative number and any positivi number (1,2,3...7)

4 0
4 years ago
Assume the amount of caffeine extracted from 8 fluid ounces of coffee brewed in a drip machine is normally distributed. On avera
koban [17]

Answer:

2.3%

Step-by-step explanation:

Imagine a standard normal curve with mean at 100 mg.  One standard deviation above the mean would be 110 mg; two standard deviations 120 mg.

Draw a vertical line through x = 120.  To answer this question, we must find the area under the curve to the left of x = 120 and then subtract this result from 1.00:  

Using a calculator with probability distribution functions built in, we find the area to the left of x = 120 as follows:  

normcdf(-100,120,100,10)  = 0.977 => 1.000 - 0.977 = 0.023

The probability of extracting more than 120 mg of caffeine from 8 fluid ounces of coffee brewed in a drip machine is 2.3%

6 0
3 years ago
Someone please help i think im just over looking it
Nina [5.8K]
Answer: sen = -15; cos= 8

cot is the cotangent which is calculated by dividing cos by sen. So the dominator(15) is sen and the other number is the cos.
Notice that the number is negative which means one of them (sen or cos) is negative. We know that the angule is in the forth quadrant, and that tells us that, in that quadrant, x is a positive number while y is negative.
X is the cos function and Y is the sen. So, if y is negative, so is sen.
3 0
3 years ago
The expression 14p-28 factored using the GCF is
galben [10]

Answer:14

(1p-2)

Step-by-step explanation:

The GCF for 14 is 14

The GCF for 28 is 14

You use this equation  to get 14p-28

Tell me if I have anything incorrect

4 0
3 years ago
Read 2 more answers
Which of the following is an outlier in the set of data below?
Elden [556K]
The answer is choice A) 2

The main cluster of data is the group {12, 12, 14, 17, 18, 19} as they aren't very far apart in distance (plot the values on a number line). The range of this group is 7 since 19-12 = 7. Compare this to the distance from 2 to 12 which is 10 units; a far greater distance than 7. So the value 2 is on its own on an "island" so to speak
5 0
3 years ago
Read 2 more answers
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