Mathematics, 09.10.2019 09:30 kanerobertrosss2213

1.) in a class of 45 students , 80% received a’s on a math test . how many students received an a?

2.) mary spent 15 dollars. if this was 20% of her earnings, how much money did she earn ?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:30, hinacat87

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, paulesparsa6

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Answers: 1

continue

Mathematics, 21.06.2019 22:30, foreignlove1039

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Answers: 2

continue

Mathematics, 21.06.2019 22:50, Yangster9305

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Answers: 3

continue

You know the right answer?

1.) in a class of 45 students , 80% received a’s on a math test . how many students received an a? <...