Answer:
4) r=7.421
Step-by-step explanation:
All the questions are the same steps but when it asks for the diameter (question 6 and 7) , you would do the same steps just multiply the radius by 2 at the end.
Hope that helped.
Solve the equation for x:
4x+12=48
Subtract 12 from both sides: 4x=36
Divide 4 from both sides to isolate x: x=9
Answer:
The 95% confidence interval is from 64 to 88
Step-by-step explanation:
The confidence interval has two values.
The lower limit, that is the mean subtracted by the margin of error.
The upper limit, that is the mean added to the margin of error.
So the 95% confidence interval is
76-12 to 76+12 = 64 to 88
Answer: [-11,4]
Step-by-step explanation:
yes in brackets
Bill has 12 cards. I figured this out by making a table and drawing an equation: