Mathematics, 10.05.2021 20:50 rconyers00
To mail some envelopes, Jason needs 16 stamps that cost 32¢ each and 8 stamps that cost 24¢ each. Which number sentence could be used to find c, the total cost in cents of the stamps Jason needs?
Answers: 3
Mathematics, 21.06.2019 17:40
How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation
Answers: 1
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 19:50
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
To mail some envelopes, Jason needs 16 stamps that cost 32¢ each and 8 stamps that cost 24¢ each. Wh...
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