Mathematics, 16.02.2022 18:50 Iyana678
An office supply company orders packs of pens for two of its stores. For the first store, the order is for 60 packs of ballpoint pens and 25 packs of gel pens, for a total of $355. For the second store, the order is for 120 packs of ballpoint pens and 30 packs of gel pens, for a total of $570. Create and solve a system of equations to determine the cost of one pack of ballpoint pens and one pack of gel pens.
A The cost of one pack of ballpoint pens Is $3 and the cost of one pack of gel pens is $7.
B. The cost of one pack of ballpoint pens is $4 and the cost of one pack of gel pens is $3.
C. The cost of one pack of ballpoint pens is $7 and the cost of one pack of gel pens is $3.
D. The cost of one pack of ballpoint pens is $3 and the cost of one pack of gel pens is $4.
Answers: 2
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 21:30, barb4you67
Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls
Answers: 1
Mathematics, 21.06.2019 22:00, KindaSmartPersonn
20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1
Answers: 2
An office supply company orders packs of pens for two of its stores. For the first store, the order...
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