Mathematics, 14.01.2021 08:40 smart57
Solve the following problems with solution.
1. In a class of 50 pupils, 24 are boys. What percent of the class are boys and what percent are girls?
2. A vendor had 200 balloons for sale. If he sold 125 of them, what percent remains unsold?
3. In a class of 50 pupils, 75% practice their math skills using online puzzles and exercises on the internet. How many pupils are on their practice?
Answers: 1
Mathematics, 21.06.2019 15:10
Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours
Answers: 3
Mathematics, 21.06.2019 16:30
A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.
Answers: 1
Mathematics, 22.06.2019 01:40
Amass weighing 16 pounds stretches a spring 8/3 feet. the mass is initially released from rest from a point 2 feet below the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 1/2 the instantaneous velocity. find the equation of motion if the mass is driven by an external force equal to f(t)=cos(2t).
Answers: 2
Solve the following problems with solution.
1. In a class of 50 pupils, 24 are boys. What percent o...
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