subject
Mathematics, 03.04.2020 02:09 passions3534ovf6dt

The difference between of two numbers, a and b, is 21. The difference of 5 times a and two times b is 18. What are the values of a and b?

ansver
Answers: 1

Other questions on the subject: Mathematics

image
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
image
Mathematics, 21.06.2019 21:30, guill41
Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3
Answers: 2
image
Mathematics, 22.06.2019 02:20, bubba24640
Which graph represents the function f(x)=4[x]?
Answers: 1
image
Mathematics, 22.06.2019 04:00, emilypzamora11
Sean is his dad build a tiled walkway in their backyard. the walkway will be 6060 feet long and 22 feet wide. the local hardware store sells tiles which are 22 by 22 feet and come in boxes of 66. how many boxes of tiles do they need?
Answers: 1
You know the right answer?
The difference between of two numbers, a and b, is 21. The difference of 5 times a and two times b i...

Questions in other subjects:

Konu
Mathematics, 24.04.2020 15:03
Konu
Mathematics, 24.04.2020 15:03
Konu
Mathematics, 24.04.2020 15:03