The function that describes the fund that was raised is 0.05³ - 30x - 12425
<h3>How to solve for the function</h3>
The revenue is R (z) = 0.05x³ + 75
the cost = C(z) = 30x + 12,500.
Please note that the equation for revenue missed a sign in the question so I made use of the plus sign
We would have revenue - cost
Hence ( 0.05x³ + 75) - (30x + 12,500)
We would open the bracket
0.05x³ + 75 -30x -12500
We would take the like term to
0.05³ - 30x -12500 + 75
0.05³ - 30x - 12425
The function that describes the fund that was raised is 0.05³ - 30x - 12425
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For this case, we propose a rule of three, since with \ frac {2} {3} of gallons it covers 3% of wall, then:
gallon --------> 3%
1 gallon -----------------------> x
Where the variable "x" represents what percentage of wall can be painted with 1 gallon of paint. So:
Thus, with 1 gallon of paint 4.5% of wall are painted.
Answer:
4.5%
Answer:- Statement 1 and Statement 2
Explanation:-
Properties of a parallelogram:-
- The opposite sides are congruent.
- The opposite angles are congruent .
- The consecutive angles are supplementary.
- If one angle is right, then all angles are right.
- Diagonals of a parallelogram bisect each other.
- Each diagonal of a parallelogram divides it into two congruent triangles.
Thus, statements 1 and 2 are the correct answer to prove that a quadrilateral DEFG is a parallelogram.