Mathematics, 26.08.2021 06:00 godchaux15395
A shopkeeper sells x pens and y pencils which cost RM3 and RM1 each respectively. The minimum totalsales of the pencils sold is RM900. The number of pencils sold is at least twice the number of pens sold. The maximum number of pencils sold is 900.
question:
write three linear inequalities which represent the above situation.
Answers: 2
Mathematics, 21.06.2019 19:00
Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply
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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
A shopkeeper sells x pens and y pencils which cost RM3 and RM1 each respectively. The minimum totals...
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