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Sunny_sXe [5.5K]
3 years ago
14

You roll a number cube.find each probability p(2)

Mathematics
1 answer:
hram777 [196]3 years ago
7 0

Answer:

they are 6 possibilities in one roll

Step-by-step explanation:

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Given 3X=-15<br> Prove X =-5
BartSMP [9]

Answer:

X = -5

Step-by-step explanation:

3X=-15

Lets solve the equation for x.  We will isolate x by dividing each side by 3

3X/3 = -15/3

X = -5

4 0
3 years ago
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How many solutions does x2 - 10x=-25 have?
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Answer:

4.2 Solving x2-10x+25 = 0 by Completing The Square . This quadratic equation has one solution only. That's because adding zero is the same as subtracting zero.

Step-by-step explanation:

3 0
2 years ago
What is the value of x in the equation -5/8x =-160​
Crank

Answer:

256

Step-by-step explanation:

1. Divide both sides by -5/8

-5/8x/-5/8      -160 divided by -5/8

When you do that you get 256

4 0
3 years ago
Suppose that the probability that a person will develop hypertension over a life time is 60%. Of 13 graduating students from the
Savatey [412]

Answer:

The mean number of the students who develop hypertension over a life time is 7.8.

Step-by-step explanation:

For each person, there are only two possible outcomes, either they will develop hypertension, or they will not. The probability of a person developing hypertension is independent of any other person, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

Probability of exactly x successes on n repeated trials, with p probability.

The expected value of the binomial distribution is:

E(X) = np

Suppose that the probability that a person will develop hypertension over a life time is 60%.

This means that p = 0.6

13 graduating students from the same college are selected at random.

This means that n = 13

Find the mean number of the students who develop hypertension over a life time

E(X) = np = 13*0.6 = 7.8

The mean number of the students who develop hypertension over a life time is 7.8.

5 0
2 years ago
Which shows the graph of the solution set of 6x + 4y &lt; 12? On a coordinate plane, a dashed straight line has a negative slope
natta225 [31]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
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