Plz hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!The graph shows the relationship between hours worked and total earnings for a store clerk
.
Based on this information, which is the independent variable and the dependent variable?
A)Both hours worked and earnings are dependent variables.
B)Both hours worked and earnings are independent variables.
C)The dependent variable is hours worked, and the independent variable is
earnings
D)The independent variable is hours worked, and the dependent variable is
earnings.
Based on this information, which is the independent variable and the dependent variable?
A)Both hours worked and earnings are dependent variables.
B)Both hours worked and earnings are independent variables.
C)The dependent variable is hours worked, and the independent variable is
earnings
D)The independent variable is hours worked, and the dependent variable is
earnings.
1 answer:
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Answer:
the average of this new list of numbers is 94
Step-by-step explanation:
Hello!
To answer this question we will assign a letter to each number for the first list and the second list of numbers, remembering that the last number of the first list is 80 and the last number of the second list is 96
for the first list
for the new list
To solve this problem consider the following
1.X is the average value of the second list
2. We will assign a Y value to the sum of the numbers a, b, c.
a + b + c = Y to create two new equations
for the first list
solving for Y
Y=(90)(4)-80=280
Y=280=a+b+c
for the second list
the average of this new list of numbers is 94
Answer:
Concept:
Here, we need to know the power of imaginary numbers
i = √(-1)
i² = -1
i³ = -i
i⁴ = 1
Solve:
<u>Given function expression</u>
<u>Given the requirement of the question</u>
To find the expression for f(i)
<u>Substitute values into the expression</u>
<u>Simplify the exponents</u>
<u>Expand the parenthesis</u>
Hope this helps!! :)
Please let me know if you have any questions
Asked and answered elsewhere.
brainly.com/question/9247314
You obviously don't mind using "technology" (Brainly) to answer these questions. A graphing calculator can do quadratic regression on the sequence and tell you its formula.
If you want to do it by hand, you can write the equation
.. y = ax^2 +bx +c
and substitute three of the given points. Then solve the resulting three linear equations for a, b, and c.
.. 4 = a +b +c
.. 7 = 4a +2b +c
.. 12 = 9a +3b +c
Subtracting the first equation from the other two reduces this to
.. 3 = 3a +b
.. 8 = 8a +2b
The latter can be divided by 2, so reduces to
.. 4 = 4a +b
Subtracting the first of the reduced equations from this, you have
.. 1 = a
so
.. 3 = 3*1 +b
.. 0 = b
and
.. 4 = a + b + c = 1 + 0 + c
.. 3 = c
And your equation is
.. y = x^2 +3 . . . . . . as shown previously
brainly.com/question/9247314
You obviously don't mind using "technology" (Brainly) to answer these questions. A graphing calculator can do quadratic regression on the sequence and tell you its formula.
If you want to do it by hand, you can write the equation
.. y = ax^2 +bx +c
and substitute three of the given points. Then solve the resulting three linear equations for a, b, and c.
.. 4 = a +b +c
.. 7 = 4a +2b +c
.. 12 = 9a +3b +c
Subtracting the first equation from the other two reduces this to
.. 3 = 3a +b
.. 8 = 8a +2b
The latter can be divided by 2, so reduces to
.. 4 = 4a +b
Subtracting the first of the reduced equations from this, you have
.. 1 = a
so
.. 3 = 3*1 +b
.. 0 = b
and
.. 4 = a + b + c = 1 + 0 + c
.. 3 = c
And your equation is
.. y = x^2 +3 . . . . . . as shown previously