He is overestimating because 2.25 * 6 = 13.5, which is less than 11.5
Answer:
B
Step-by-step explanation:
Use the properties of logs.
2. Diagonals of a parallelogram bisect each other.
3. the diagonals bisect each other and px equals to qx.
4. JL bisects QP
5. definition of a parallelogram
Answer: 89.7
Step-by-step explanation:
The mean of a data set is the average of all the information given. Therefore, the total combined score is the number of students multiplied by the mean
The total score of the first 44 students: 96.6*44 = <em>4250.4</em>
The total score of the later 13 students: 66.3*13 = <em>861.9</em>
(4250.4 + 861.9)/(44 + 13) = 89.7
Hope this helped
Solve for x over the real numbers: by completing the square:
5 x^2 - 30 x = 5
Divide both sides by 5:
x^2 - 6 x = 1
Add 9 to both sides:
x^2 - 6 x + 9 = 10
Write the left hand side as a square:
(x - 3)^2 = 10
Take the square root of both sides:
x - 3 = sqrt(10) or x - 3 = -sqrt(10)
Add 3 to both sides:
x = 3 + sqrt(10) or x - 3 = -sqrt(10)
Add 3 to both sides:
Answer: | x = 3 + sqrt(10) or x = 3 - sqrt(10)
