Use the figure at the right for problems 4-7.114. m26 • m27 + m/8 =5. If m26 = x, m27 = x - 20, and m/11 = 80,then x =9.7106. If m28 = 4x, m27 = 30, and m29 = 6x -20,%3D%3Dthen x =7. m29 + mz10 + mz11 =

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Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Consider the following model of a market for hats in which Qs is quantity of hats produced, Qd is quantity of hats purchased and P is the price of a hat. Qs=5+12P Qd=50-3P if production conditions change so that Qs=-10+12P, what will be the change in Q*? compared to the value 41, such that Q*=Qs=Qd remains true? a. 4 b. -3 c. -4 d. 3
21. 2x1 4 %3D = 5 X1 + 3x2 3x1 + 2x2 + 3x3 = 12
The arrows can only be dragged to z scores that are accurate to 1 place after the decimal point (these values correspond to the tick marks on the horizontal axis). Select from the drop down menu to shade to the left, to the right, between or left and right of the z-score.
The arrows can only be dragged to z scores that are accurate to 1 place after the decimal point (these values correspond to the tick marks on the horizontal axis). Select from the drop down menu to shade to the left, to the right, between or left and right of the z-score.
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. xx 11.8 8.6 6.6 3.8 2.4 2.6 2.3 0.8 yy 13.9 11.1 9.9 7.1 6.4 6.4 5.8 4.7 xx = thousands of automatic weaponsyy = murders per 100,000 residentsUse your calculator to determine the equation of the regression line. (Round to 2 decimal places)A) Determine the regression equation in y = ax + b form and write it below. Answer=? B) How many murders per 100,000 residents can be expected in a state with 2.7 thousand automatic weapons?Answer = ? Round to 3 decimal places. C) How many murders per 100,000 residents can be expected in a state with 7.2 thousand automatic weapons?Answer = ? Round to 3 decimal places.
The arrows can only be dragged to z scores that are accurate to 1 place after the decimal point (these values correspond to the tick marks on the horizontal axis). Select from the drop down menu to shade to the left, to the right, between or left and right of the z-score.
10. What is the value of the variable h in this equation: -7/h-1=-50 ? С. 7 A. -7 В. —49 D. 49 11. Which of the following has a solution of 5? A. 2x +14 = 10 c. 2/3y-1+4=12 В. 2х -14 %3D10 D. 2/3y+1+4=12 12. What is the index in this expression di(ax+b) ? А. с С. п В. d D. (ax+b) 13. Which of the following is NOT a radical equation? V10 c. x-2 = 5 D. Vk-4 =1 A. X= B. V2x-10 = Vx 14. How do you call(ax+b)' in this expression di(ax +b) ? A. coefficient B. index C. radical D. radicand 15. What is the extraneous root of v2-x =x- 2? С. 3 D. none А. 1 В. 2
4. If x - 2y = -1 and x + 2y = 3, then x +y is equal to
Many times property value appraisers estimate the value of specific properties with minor or sometimes major difference. A company that builds apartment buildings in Athens considers two appraisers, A and B. who give an estimate of the sale price of their apartments. The sales department of the company has observed that in most cases appraiser A gives smaller value estimates of their apartments. The company would like to know if this is true for estimated values of apartments of other companies. Let X₁ be the appraisal value of an apartment of other companies by appraiser A. Let X2 be the appraisal value of an apartment of other companies by appraiser B. Also, let D=X₂-X₁. The company selected a random sample of apartments of other companies. Let be the appraisal value of each apartment in the sample by appraiser A. Let *2 be the appraisal value of each apartment in the sample by appraiser B. The measurements and *2 are in thousands of euros and are given below. Let d=x₂-x. At the 5%…

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Use the figure at the right for problems 4-7. 11 4. m26 • m27 + m/8 = 5. If m26 = x, m27 = x - 20, and m/11 = 80, then x = 9. 710 6. If m28 = 4x, m27 = 30, and m29 = 6x -20, %3D %3D then x = 7. m29 + mz10 + mz11 =