Mathematics, 25.10.2021 14:00, holycow4916

The cost to mail a first-class letter used to be $0.40 the first ounce. Each additional ounce costs $0.20. Fractions of an ounce are rounded up to the next whole ounce. How much would it cost to mail a letter that weighs 3.7 ounces?
• $0.60
O $1.00
O $0.90
O $1.20

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:00, maria5633

Could somebody me with this radical simplification?

Answers: 1

continue

Mathematics, 21.06.2019 21:00, monij4

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

Answers: 1

continue

Mathematics, 21.06.2019 23:50, kordejah348

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before

Answers: 2

continue

Mathematics, 22.06.2019 00:30, tremainecrump1466

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

Answers: 2

continue

Do you know the correct answer?

The cost to mail a first-class letter used to be $0.40 the first ounce. Each additional ounce costs...