Mathematics, 01.12.2020 09:10 jenfantroy9892

A cellphone store has 120 cell phones in stock. Of these, 45 have keyboards. The manager of the store wants to add more cell phones with keyboards so that 40% of the stock has keyboards.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:00

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Answers: 2

Answer

Mathematics, 21.06.2019 18:00

Two students were asked if they liked to read. is this a good example of a statistical question? why or why not? a yes, this is a good statistical question because a variety of answers are given. b yes, this is a good statistical question because there are not a variety of answers that could be given. c no, this is not a good statistical question because there are not a variety of answers that could be given. no, this is not a good statistical question because there are a variety of answers that could be given

Answers: 1

Answer

Mathematics, 22.06.2019 03:30

Similarly fie each expression 18,19,20

Answers: 2

Answer

Mathematics, 22.06.2019 03:40

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?

Answers: 3

Answer

You know the right answer?

A cellphone store has 120 cell phones in stock. Of these, 45 have keyboards. The manager of the stor...

Questions

Mathematics, 24.06.2019 14:00

Your mother is out of toothpicks, and suggests you use cotton swabs instead. you measure them, and they are 7.4 cm tall. how many cotton swabs tall wi...

Mathematics, 24.06.2019 14:00

Apainter has a 24 foot ladder that he is using to paint a house. for safety reasons, the ladder must be placed at least 8 feet from the base of the si...