Answer: A. 40%
Step-by-step explanation:
to find the percentage decrease, first you have to subtract $6,300 from $10,500, which equals $4,200. This is the amount decreased from the price of the car. Then, to find the percentage that $4,200 is to $10,500, you have to divide 4,200 by 10,500. This should give you 0.4, the percentage is this number multiplied by 100. This should give you the number 40, which means that the percentage decrease of the price of the car; 40%.
Answer:
The median is 10 and the mean is 10.2
Step-by-step explanation:
Median: the middle number -> 6,8,10,11,16
Mean:
6 + 8 + 10 + 11 + 16 = 51
51/5 = 10.2
Using a system of equations, it is found that Debbie worked 45 hours during the week.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
- Variable x: Amount of hours worked by Juan.
- Variable y: Amount of hours worked by Debbie.
Juan and Debbie each earn 9 per hour at their "jobs", and earned a total of 765 for the week, hence:
9x + 9y = 765
Simplifying the expression by 9:
x + y = 85 -> x = 85 - y.
Debbie worked five hours more than juan during the week, hence:
y = x + 5.
Since x = 85 - y, we replace in the expression:
y = 85 - y + 5.
2y = 90.
y = 45.
Debbie worked 45 hours during the week.
More can be learned about a system of equations at brainly.com/question/24342899
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I suppose your answer could be x=5 and y=1....
Answer:
a) This is a discrete probability distribution because between the sample spaces are all between 0 and 5 inclusive and the sum of probabilities is equal to 1.
Step-by-step explanation:
x p(x)
0 0.1663
1 0.3351
2 0.2869
3 0.1497
4 0.0387
5 0.0233
To show that it is a discrete probability distribution, Σ pᵢ = 1
That is, the sum of the individual probabilities for each sample space must equate to 1 at the end.
Σ pᵢ = 0.1663 + 0.3351 + 0.2869 + 0.1497 + 0.0387 + 0.0233 = 1.000
Hence, the probability distribution is indeed a discrete probability distribution.
Hope this Helps!!!
