Answer:Jarvis's class average is 75
Step-by-step explanation:
The total possible average score for the math course is 100
a) If the teacher rates homework at 10%, it means that the total possible score for homework
is 10/100 × 100 = 10
If his homework average is 93, then his score would be
(93×10)/100 = 9.3
b) If the teacher rates quizzes at 30%, it means that the total possible score for quizzes
is 30/100 × 100 = 30
If his quiz average is 82, then his score would be
(82×30)/100 = 24.6
c) If the teacher rates test at 40%, it means that the total possible score for quizzes
is 40/100 × 100 = 40
If his quiz average is 72, then his score would be
(72×40)/100 = 28.8
d) If the teacher rates final exam at 20%, it means that the total possible score for quizzes
is 20/100 × 100 = 20
If his final exam is 60, then his score would be
(60×20)/100 = 12
Jarvis's class average would be
9.3 + 24.6 + 28.8 + 12 = 74.7
Approximately 75
For 645 and 738:
For these numbers we have that the difference between both is:
738 - 645 = 93
For 645 and 649:
For these numbers we have that the difference between both is:
649 - 645 = 4
Therefore, comparing the first two numbers of the second two numbers is different because the difference between the first two numbers is much larger.
Answer:
The difference between the first two numbers is much greater than the difference between the second two numbers.
Answer:
the vertex is at (4, -14)
Step-by-step explanation:
Review "quadratic equations." These have three terms, and the highest power of x is x^2. We need to identify the coefficients of the x^2, x and x^0 terms to get info needed to identify the axis of symmetry.
Given f(x) = x^2 - 8x + 2, we see that these coefficients are 1, -8 and 2.
b
The formula for the axis of symmetry is x = - ------
2a
which here is x = -(-8)/[2*1], or x = 8/2 or x = 4: the axis of symmetry.
To find the y-coordinate of the vertex, evaluate the function at x = 4:
f(4) = 4^2 - 8(4) + 2 = 16 - 32 + 2, or f(4) = -14.
Thus, the vertex is at (4, -14). The graph is that of a parabola that opens up, and the parabola is symmetric about the vertical line x = 4.
Post the part one of the problem please and thank you
The coordinates of the inverse function f⁻¹(x) will be swapped of the coordinates of the function f(x).
The complete question is attached below.
<h3>What is inverse of a function?</h3>
Let the function will be
f: X → Y
Then the inverse function will be
f⁻¹: Y → X
If the coordinates of the function f(x) are given.
Then the coordinates of the inverse function f⁻¹(x) will be swapped of the coordinates of the function f(x).
f(x) f⁻¹(x)
(33, 40) (40, 33)
(-19, -15) (-15, -19)
(-28, 47) (47, -28)
(-15, -34) (-34, -15)
(50, 0) (0, 50)
Learn more about inverse function here:
brainly.com/question/19425567
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