Choose the replacement for x and y that makes this equation a true statement: 2x + 55y = −214
...
Mathematics, 28.09.2019 02:30 tatilynnsoto17
Choose the replacement for x and y that makes this equation a true statement: 2x + 55y = −214
a.
x = −3 and y = −4
b.
x = −4 and y = 3
c.
x = 3 and y = −4
d.
x = 4 and y = 4
Answers: 2
Mathematics, 21.06.2019 16:30
Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25
Answers: 2
Mathematics, 21.06.2019 19:00
The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?
Answers: 2
Mathematics, 21.06.2019 19:40
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 20:00
A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?
Answers: 2
Computers and Technology, 04.12.2019 03:31