15h - m = 13h + q pleas helppp
2 answers:
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Answer:
25 %
Step-by-step explanation:
Percentage is given by :
Original cost of sweater is $32 and sale cost is $24. So,
Hence, 25 % is the markdown on the sweater.
Answer:
Step-by-step explanation:
1. you distrubute the -4 to the -2x and +7.
2.you combine like terms.
3.you get X in one side of the equation.
4.You divide 1 by 6.
Solving a quadratic function, it is found that the ball has a height of 19 feet at t = 0.72 seconds and t = 1.22 seconds.
<h3>What is a quadratic function?</h3>A quadratic function is given according to the following rule:
The solutions are:
In which:
In this problem, the function is:
h(t) = -16t² + 31t + 5
The height is of 19 feet when h(t) = 19, hence:
19 = -16t² + 31t + 5
16t² - 31t + 14 = 0.
Then:
More can be learned about quadratic functions at brainly.com/question/24737967
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