Mathematics, 27.08.2019 08:00 juliana211

Expand and simplify:
1.(n-2)(3n+7)+2n(2n+3)
factor each expression fully:
2. 4xsquared-25

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:10, trint4

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Answers: 2

continue

Mathematics, 21.06.2019 15:00, vanessadaniellet21

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31 ,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28 ,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b. the means of the data sets are within 3 units from eachother. c. the data sets have the same standard deviation. d. the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

Answers: 3

continue

Mathematics, 21.06.2019 19:40, love0000

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

Answers: 3

continue

Mathematics, 21.06.2019 21:40, jasmine8142002

Atransformation t : (x, y) (x-5,y +3) the image of a(2,-1) is

Answers: 1

continue

You know the right answer?

Expand and simplify:
1.(n-2)(3n+7)+2n(2n+3)
factor each expression fully:
2. 4xsqu...