Mathematics, 14.05.2021 22:20 Miles1111
A plumber charges $87.00 per hour plus a $15.00 service charge. If a represents his total charges in dollars, and b represents the number of hours worked, which formula below could the plumber use to calculate his total charges
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 19:50, Sourcandy
Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27
Answers: 1
Mathematics, 21.06.2019 23:30, allisonlillian
The product of sin 30 degrees and sin 60 degrees is same as the product of
Answers: 1
A plumber charges $87.00 per hour plus a $15.00 service charge. If a represents his total charges in...
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