Mathematics, 20.05.2021 20:40 angelread53621
In a math competition, there were a total of 15 questions. There are easy questions and hard questions. Easy questions are worth 4 points and hard questions are worth 8 points with a high score of 96. How many EASY questions were there in the contest? *
Answers: 3
Mathematics, 21.06.2019 18:40
Acircle has a circumference of 28.36 units what is the diameter of the circle
Answers: 2
Mathematics, 21.06.2019 19:00
How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons
Answers: 1
Mathematics, 21.06.2019 19:30
When x = 3 and y = 5, by how much does the value of 3x2 ā 2y exceed the value of 2x2 ā 3y ?
Answers: 2
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) ā sinh2(x) = 1 and (b) 1 ā tanh 2(x) = sech 2(x). solution (a) cosh2(x) ā sinh2(x) = ex + eāx 2 2 ā 2 = e2x + 2 + eā2x 4 ā = 4 = . (b) we start with the identity proved in part (a): cosh2(x) ā sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 ā sinh2(x) cosh2(x) = 1 or 1 ā tanh 2(x) = .
Answers: 3
In a math competition, there were a total of 15 questions. There are easy questions and hard questio...
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