subject
Mathematics, 06.06.2020 01:03 jayjay5246

The table shows the soil density of several soil samples at different depths. Depth (m)156810121421232428
Soil density ( )
10451063110211401191123212491254126 512681273

(a)Write the quadratic regression equation that models the data. Let x = depth below the surface and let y = soil density.
(b)Use the equation to estimate the soil density of a sample at a depth of 20 m.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the
Answers: 1
question
Mathematics, 21.06.2019 18:50
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
Answers: 1
question
Mathematics, 21.06.2019 20:00
Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take
Answers: 1
question
Mathematics, 21.06.2019 21:30
Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price
Answers: 2
You know the right answer?
The table shows the soil density of several soil samples at different depths. Depth (m)156810121421...
Questions
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Physics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Physics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
Mathematics, 17.09.2020 04:01
question
English, 17.09.2020 04:01