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Maksim231197 [3]
3 years ago
13

3 + 2(2x + 8) = 1 is equivalent to

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
8 0
3+2 ( 2x + 8 ) = 1 is equivalent to ...


fraction : X = -9/2
Decimal -4.5

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A group of winning ticket holders share equally 90,000,000 lottery. Before the money is divided, three more winning ticket holde
Solnce55 [7]
15 people is the answer to your question
5 0
2 years ago
Assume that you have a binomial experiment with p=0.4 and a sample size of 100. the expected value for this binomial distributio
UkoKoshka [18]
In Binomial distribution, the expected value or mean is given by,
E(X) = np 
where, p = probability of success and n=number of sample size.

E(X) = 100×0.4 = 40 
7 0
3 years ago
Solve the system using elimination.5x-9y=12x-9y=-12
NemiM [27]

Answer:

x = 6

y = 2

Explanation:

To solve the system using elimination, we need to multiply the second equation by -1, so the second equation is equivalent to:

x - 9y = -12

-1 (x - 9y) = -1 (-12)

-x + 9y = 12

Then, we can sum this equation and the first equation. So:

5x - 9y = 12

-x + 9y = 12

4x + 0 = 24

So, we can solve for x, as:

4x = 24

4x/4 = 24/4

x = 6

Then, we can replace x by 6 on the first equation and solve for y, so:

5x - 9y = 12

5(6) - 9y = 12

30 - 9y = 12

30 - 9y - 30 = 12 - 30

-9y = -18

-9y/(-9) = -18/(-9)

y = 2

Therefore, the solution of the system is x = 6 and y = 2

​

4 0
1 year ago
The waiting time at an elevator is uniformly distributed between 30 and 200 seconds. What is the probability a rider must wait b
serg [7]

Answer:

17.65% probability a rider must wait between 1 minute and 1.5 minutes

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is between c and d is given by the following formula

P(c \leq X \leq d) = \frac{d - c}{b - a}

For this problem, we have that:

a = 30, b = 200, c = 1*60 = 60, d = 1.5*60 = 90

P(60 \leq X \leq 90) = \frac{90 - 60}{200 - 30} = 0.1765

17.65% probability a rider must wait between 1 minute and 1.5 minutes

7 0
3 years ago
T/40 = 25.00 What is T
BlackZzzverrR [31]
If you multiply both sides of the equation by 4 you have T=100
5 0
3 years ago
Read 2 more answers
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