Answer:
i'm pretty sure the one you have selected in the photo is right
Step-by-step explanation:
Answer:
the correct answer is a. (x = 2, y = 1, z= -2).
you can try inserting each value to all three equations and you'll see that only "a" satisfies all equations.
Step-by-step explanation:
4x+4y+3z=6
4(2)+4(1)+3(-2) = 12-6 = 6
4x + 7y + 5z = 5
4(2)+7(1)+5(-2) = 15-10 = 5
5x + 3y + 3z= 7
5(2)+3(1)+3(-2) = 13-6 = 7
now, you can clearly see that all the equations are satisified with the help of the employment of the three values x=2 , y=1, and z = -2 which makes A the correct answer.
Answer:
This question are you saying that Joe spends 4 dollars or do you mean saves 4 dollars
I’m 99/100% sure it’s 15%
Answer:
a) P(12≤χ²≤24)=0.690
b) k=35.85
c) Median=18.34
Step-by-step explanation:
<em>The question is incomplete: "Use the calculator provided to solve the following problems. Suppose that χ² follows a chi-square distribution with 19 degrees of freedom. Compute P(12≤χ²≤24) . Round your answer to at least three decimal places.</em>
<em>Suppose again that χ² follows a chi-square distribution with 19 degrees of freedom. Find k such that P(χ²>k)=0.025. Round your answer to at least two decimal places.</em>
<em>Find the median of the chi-square distribution with 19 degrees of freedom. Round your answer to at least two decimal places."</em>
Compute P(12≤χ²≤24)
Find k such that P(χ²>k)=0.025
The median of the chi-square is: