subject
Mathematics, 12.03.2020 01:33 machucagm01

At the beginning of the week Ana has $130 dollars in her account. she spends an average of $7 per day on lunch. what is the initial value in this situation?

ansver
Answers: 2

Another question on Mathematics

question
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
question
Mathematics, 21.06.2019 20:00
Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
Answers: 1
question
Mathematics, 21.06.2019 23:00
Which geometric principle is used to justify the construction below?
Answers: 1
question
Mathematics, 21.06.2019 23:30
Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)
Answers: 1
You know the right answer?
At the beginning of the week Ana has $130 dollars in her account. she spends an average of $7 per da...
Questions
question
Mathematics, 29.01.2020 07:40
Questions on the website: 13722359