Mathematics, 30.03.2021 21:20 ale1910
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3. The table shows the soil density of several soil samples at different depths.
Depth (m) 1 5 6 8 10 12 14 21 23 24 28
Soil density ( )
1045 1063 1102 1140 1191 1232 1249 1254 1265 1268 1273
(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 26 m. Show your work.
Answers: 3
Mathematics, 21.06.2019 17:30
The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.
Answers: 3
Mathematics, 21.06.2019 21:30
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
Mathematics, 22.06.2019 01:00
Given the numbers c = β3 and d = 4, which statement is true? a. |βc| = 3 and |βd| = β4 b. |βc| = 3 and β|d| = β4 c. β|c| = β4 and β|d| = 3 d. |βc| = 3 and β|d| = 4
Answers: 1
Mathematics, 22.06.2019 02:30
6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.
Answers: 3
PL HELP WILL GIVE BRAINLIEST
3. The table shows the soil density of several soil samples at differe...
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