Explanation Given: Radius of cone, r = 3 times of height of come = 3h Formula used: Volume of cone = 1 3 πr 2 h Calculation: Part a: Amount of sand required when height of cone is 2 feet We have volume of cone = 1 3 πr 2 h Here we have radius of the cone r = 3h ⇨ Volume = 1 3 π ( 3 h ) 2 h = 3 πh 3 = 3 π x 2 3 = 24 π = 75.40 ft 3 Part b: Height of dirt cone from 1000 ft 3 dirt We have volume of cone = 1 3 πr 2 h = 3...

Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)

6th Edition

ISBN: 9780321914620

Author: Jeffrey O. Bennett, William L. Briggs

Publisher: PEARSON

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In the study of the conic section of the geometry, An ellipse is a plane curve surrounding two focal points, or foci where the set of all locus of points in the plane has their sum of the distances to the two foci is constant. On the ellipse curve, it is…

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Chapter 10.B, Problem 95E

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The amount of sand hold by a sand cone of 2 ft height and radius of 3 times of the height of the cone, also amount of sand grains in that sand cone. Determine the height of dirt cone of same proportion made from 1000 ft³ of dirt.

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Chapter 10.B, Problem 94E

Chapter 10.B, Problem 96E

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>tt 1:32 > trend.1m 1m (sales > summary(trend.1m) - tt) #3###23 (i) #### Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2107.220 57.997 36.332e-16 *** tt -43.500 3.067 -14.18 7.72e-15 *** > trend = ts (fitted (trend.1m), start-start (sales), freq-frequency (sales)) sales trend ###23%23 (ii) #### as.numeric((1:32 %% 4) > X > q1 > q2 > q3 > 94 = = = = - as.numeric((1:32 %% 4) as.numeric((1:32 %% 4) as.numeric((1:32 %% 4) == 1) 2) == == 3) == 0) > season.lm = 1m (resid (trend.1m) 0+q1 + q2 + q3 + q4) #3##23%23 (iii) #### > summary(season.1m) Coefficients: Estimate Std. Error t value Pr(>|t|) q1 -38.41 43.27 -0.888 0.38232 92 18.80 43.27 0.435 0.66719 q3 -134.78 43.27 -3.115 0.00422 ** 94 154.38 43.27 3.568 0.00132 ** > season = ts (fitted (season.lm), start=start (sales), freq=frequency (sales)) > Y X season %23%23%23%23 (iv) #### >ar (Y, aic=FALSE, order.max=1) #23%23%23%23 (v) #### Coefficients: 1 0.5704 Order selected 1 sigma 2 estimated as 9431 > ar(Y, aic=FALSE,…

Chapter 10 Solutions

Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)

Ch. 10.A - Prob. 1QQ Ch. 10.A - Prob. 2QQ Ch. 10.A - An acute angle is a. less than 90°. b. exactly...Ch. 10.A - 4. A regular polygon always has a. four sides. b....Ch. 10.A - 5. A right triangle always has three equal-length...Ch. 10.A - 6. The circumference of a circle of radius r...Ch. 10.A - The volume of a sphere of radius r is a. \[\pi...Ch. 10.A - Prob. 8QQ Ch. 10.A - If you triple the radius of a sphere, the volume...Ch. 10.A - Suppose you cut a large stone block into four...

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The amount of sand hold by a sand cone of 2 ft height and radius of 3 times of the height of the cone, also amount of sand grains in that sand cone. Determine the height of dirt cone of same proportion made from 1000 ft 3 of dirt.

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The amount of sand hold by a sand cone of 2 ft height and radius of 3 times of the height of the cone, also amount of sand grains in that sand cone. Determine the height of dirt cone of same proportion made from 1000 ft3 of dirt.

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Chapter 10 Solutions

The amount of sand hold by a sand cone of 2 ft height and radius of 3 times of the height of the cone, also amount of sand grains in that sand cone. Determine the height of dirt cone of same proportion made from 1000 ft³ of dirt.