Concept explainers
Given that
a)
b)
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Elementary Geometry for College Students
- In Exercises 7 through 12, express each of the following lengths as indicated. w12. a. 186 inches as feet_________________ b. 2023 yards as feet_________________ c. 9.25 feet as inches_________________ d. 243 inches as yards_________________arrow_forwardWhich part hypothesis or conclusion of a theorem determines the a Drawing? b Given? c Prove?arrow_forwardWhich type of path straight, curved, circular, or scattered is determined by: a a roller coaster? b a pencil? c a carousel? d darts thrown at a dartboard?arrow_forward
- Given: FHGSKM and FGHK . Determine the value of 1, 2 and 3 for these values of 4.arrow_forwardZZ = ? B. U C. T OAarrow_forwardA company that relies on Internet-based advertising linked to key websites visited wants to understand the relationship between the number of different Internet-based ads used and revenue (in $). Complete parts a through c below. a) Which variable is the explanatory or predictor variable? O A. Since the company wants to predict revenue from ads used, the explanatory variable is ads used. O B. Since the company wants to predict revenue from ads used, the explanatory variable is revenue. O C. Since the company wants to predict ads used from revenue, the explanatory variable is ads used. O D. Since the company wants to predict ads used from revenue, the explanatory variable is revenue. b) Which variable is the response variable? O A. Since the company wants to predict revenue from ads used, the response variable is ads used. O B. Since the company wants to predict revenue from ads used, the response variable is revenue O C. Since the company wants to predict ads used from revenue, the…arrow_forward
- A. .381B. 159.18C. 1.344D. .6875arrow_forwardThe boxplots below show the real estate values of single-family homes in two neighboring cities (in thousands of dollars). Statstown Medianville 0 20 40 60 80 100 120 140 Annual Income Which city has more households? A. Statstown B. O Medianville C. O Both cities have the same number of households. D. It is impossible to tell from the boxplots.arrow_forwardIn a recent year, a research organization found that 487 of 806 surveyed male Internet users use social networking. By contrast 619 of 919 female Internet users use social networking. Let any difference refer to subtracting male values from female values. Complete parts a through V below. Assume that any necessary assumptions and conditions are satisfied. Find the proportions of male and female Internet users who said they use social networking. A. What is the difference in proportions? B. What is the standard error of the difference? C. Find a 95% confidence interval for the difference between these proportions.arrow_forward
- The employee's salary is an example of ...variable. Select one: a. characteristic O b. quantitative C. category d. qualitativearrow_forwardAre these figures similar? 50 25 28 19 C 38 14 F O Yes ONo Not Enough Information E. B.arrow_forwardb) O AND PROPORTION PROPORTION ATIO SPEED ECTIVES F21:2x = 7:10, find x. ATE A. ¢930.00 B. ¢1,550.00 C. ¢1,743.75 D. ¢2,790.00 E. ¢2,906.25 8. If 1: x is equivalent to 625, find x. A 3 C 15 D. 35 (1992 (1990, Q 9) E 50 Vis a point on the line segment AB such that JAB] = A. 4 В. 5 C. 6.25 D. 24 E. 100 9. A man has three children wh years and 24 years. Find th A. 1:2:3 B. 1:2:4 C. 2:3: D. 3: E. 3 10. Ten th bem and JAX = 4cm. Find the ratio JAXI : |XB| A 5:3 В 32 C 5:4 D. 1:1 E 2:3 The length of a field, 1.2 km long is represented on a map by a line 40 mm long. What is the scale of the map? A 1:100 B 1:300 C 1:1000 D. 1:3000 E 1:30000 (1990, Q 10) Kwa pour ul t he c (1990, Q38) A map of a large town is drawn to the scale of 1100,000. What is the distance in kilometres (km) epresented by a line segment 4cm along the map? A 0.04km B 0.4km C 4km D.40km E 400km ell Ok di (1991, Q20) and Ama share c600.00 between them in thearrow_forward
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