Check the picture below.
let's check where the quadratic and x = 6 meet, bear in mind we're integrating by "y", so

Answer:
Step-by-step explanation:
The Jones family has saved a maximum of $750 for their family vacation to the beach. It means that whatever they would do during the vacation, they cannot spend more than $750.
The inequality can be used to determine the number of nights the Jones family could spend at the hotel is
750 ≥ 75 + 125h
This can also be written as
75 + 125h ≤ 750
We would solve the inequality for the value of h.
125h ≤ 750 - 75
125h ≤ 675
h ≤ 675/125
h ≤ 5.4
For any value of h greater than 5.4 hours, the inequality will not be true.
Answer:
0.9156
Step-by-step explanation:
In the picture attached, the data is plotted (I made it using MS Excel, you can use similar programmes or a calculator).
The line that best correlates the data has the following equation:
y = 0.1037x + 50.922
and its correlation coefficient is:
R² = 0.9156
Answer:
9.895
Step-by-step explanation:
Answer:
x=57
Step-by-step explanation:
The sum of the angles of a triangle add to 180 degrees
(x-5) + (2x-7) + 21 = 180
Combine like terms
3x +9 = 180
Subtract 9 from each side
3x+9-9= 180-9
3x = 171
Divide by 3
3x/3 =171/3
x =57