Mathematics, 01.11.2019 11:31 dustinquiz255

Solve the system using elimination 3x+3y=-9 3x-3y=21 a. (3,6) b. (-5,2) c. (3,3) d. (2,-5)

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:30

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

Answers: 3

Answer

Mathematics, 22.06.2019 04:50

Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40

Answers: 3

Answer

Mathematics, 22.06.2019 04:50

The random variable x has probability density function f (x) = k(−x²+5x−4) 1 ≤ x ≤ 4 or =0 1 show that k = 2/9 find 2 e(x), 3 the mode of x, 4 the cumulative distribution function f(x) for all x. 5 evaluate p(x ≤ 2.5). 6 deduce the value of the median and comment on the shape of the distribution.

Answers: 3

Answer

Mathematics, 22.06.2019 05:00

Super easy just create a two way frequency table to answer my question im begging someone. a restaurant did a survey among 100 customers to find their food preferences. the customers were asked about their preferences for pasta or rice. out of the total 30 people who liked pasta, 10 liked rice also. there were 40 people who liked rice. ok so all i need is someone to fill these in: like pasta and rice: like pasta, do not like rice: do not like pasta, like rice: do not like pasta or rice:

Answers: 2

Answer

You know the right answer?

Solve the system using elimination 3x+3y=-9 3x-3y=21 a. (3,6) b. (-5,2) c. (3,3) d. (2,-5)...

Questions

Mathematics, 13.11.2020 20:40

Who can help me? (All drop down options are the same)