The side length of an equilateral triangle is 5 centimeters. Find the length of an altitude. Round your answer to the nearest tenth. The length of the altitude is about centimeters.
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A: Here, given BC=12, CD=5, We have to find BD.
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A: Solved below
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A: We can solve the problem as follows:
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A: We will draw the angle bisector of the given angle R.
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A: Perimeter is nothing but sum of all sides.
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A: Here we will find a,b,c,
Q: Find the value of x.
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A: Note:- question no. 1 have wrong options, i have solved it and write the correct statements you can ...
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Q: K L. 105° 58 °
A: We can find the measure of arc LM in the following steps.
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Q: 1.2 Points A(4, -6, 2), B(-2, 0, 3), and C(10, 1, -7) form a triangle. Show that rAB CA = 0.
A: rab = B-A = (-2,0,3) -(4,-6,2) = (-6,6,1) rbc = C -B = (10,1,-7) - (-2,0,3) = (12,1,-10) rca = A -C ...
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A: Follow the procedure given below.
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A: Use sine to solve
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Q: What is the measure of angle 44 86 44 86 130 65
A: m∠1=12(44°+86°)m∠1=12(130°)m∠1=65°
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Q: 3) Find mTv 34° 26°
A: Angle outside the circle theorem : According to this, m∠R =(1/2) (m∠TV - m∠SW)
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- 22. Is there multicollinearity in the model? Yes, No or Cannot be determined?A school Psychologist is interested in the effect of violent television programs on a child's agression depending on if the show is a cartoon or not. Eighty children were recruited and were divided into equal groups. Half of the children watched a violent television program while the other half watched a non- violent program. Half of the children watched a cartoon while the other half watched a show that was not a cartoon. The children were then placed in a small group and the researcher measured the level of agressiveness of each child. A) z- test B) t - test C) test independent samples D) T - TEST RELATED SAMPLES E) ANOVA F) FACTORIAL ANOVA G) repeated measures ANOVA H) pearson correlation i) chi squareQ) Create a conceptual model and also develop null and alternate hypotheses of the following. The labor force heterogeneity enhances more to organizational effectiveness because each group brings its own special expertise and skills to the workplace. Collaboration can be leveraged, however, only if managers know how to tackle the special talents of the different working group; otherwise, they will remain unexploited.
- The variable with the largest positive Pj – Zj value is the a. artificial variable b. entering variable c. slack variable d leaving variableA manager wants to see if geographical region (Cape Town, Durban and Gauteng) is related with ownership of a tablet (“Have a tablet” and “No tablet”). Define the null hypothesis and the alternative hypothesis. A. H1: Geographical region and ownership of a tablet are independent vs H0: No relationship exists between Geographical region and ownership of a tablet B. H0: Geographical region and ownership of a tablet are independent vs H1: A relationship exists between Geographical region and ownership of a tablet C. H1: Geographical region and ownership of a tablet are independent vs H0: Geographical region is dependent on ownership of a tablet D. H0: A relationship exists between Geographical region and ownership of a tablet vs H1: No relationship exists between Geographical region and ownership of a tabletOnce QBA 362 final exam is done, it will be time to reward Professor Hong with a well-deserved vacation. As a state employee, professor Hong hasn’t seen a raise since... well, ever.Thus, an important criterion, in fact the most important criterion is to find an exoticregion that can be visited inexpensively. There are three states of nature that could impact costs in these five areas of interest. Professor Hong has determined the average cost per day to visit each region under each of the possible states of nature. This table, which should not be construed as actual vacation advice, appears below. (Remember they are costs. Lower is better. For example, the most optimistic case is the one with lowest cost.) Region Strong Dollar Middling Dollar Weak Dollar Eastern Europe 33 54 57 Southeast Asia 41 56 36 Australia 45 44 58 Galapagos Islands 37 35 26…
- The production department of Celltronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, two employees were assigned to assemble the subassemblies. They produced 15 during a one-hour period. Then four employees assembled them. They produced 25 during a one-hour period. The complete set of paired observations follows. Number ofAssemblers One-HourProduction (units) 2 15 4 25 1 10 5 40 3 30 The dependent variable is production; that is, it is assumed that different levels of production result from a different number of employees. Click here for the Excel Data File Draw a scatter diagram. On the graph below, use the point tool to plot the point corresponding to the first Number of Assemblers and her Production (No of Assemblers1). Repeat the process for the remainder of the sample (No of…The Greer Tire company manufactures a new steel-belted radial tire to be sold through a national chain of discount stores. Because the tire is a new product, Greer’s managers believe that the mileage guarantee offered with the tire will be an important factor in the acceptance of the product. Let X = miles that the tires last: X~N(60,000 2,500) Find the mileage guarantee that ensures this company will repair no more than 15% of its product for free. Assume the distribution of tire mileage is normal.Automobile manufacturer Gruman has identified a vehicle quality issue with the bumpers theyare using on their mid-size sedan. Customers with these vehicles are suffering substantialdamage and repair costs in low-speed impacts to the bumpers. The company has been solicitingproposals for a new collapsible bumper system to upgrade the performance of their sedans to beequal to the industry average of $400 or less in a collision impact of ≤15 miles per hour (mph).Gruman Engineers believe they have found a bumper system that will meet this requirement. Todemonstrate it, they crashed six sedans with this bumper into a barrier at 15 mph, submitted themfor repairs and recorded the cost of the repairs. The mean and standard deviation of the costs arefound to be $458 and $48, respectively. At the α = .05 significance level, does the test datacontradict the manufacturer’s claim that the repair cost does not exceed $400? a)What is known? What information AND data does the problem provide? Provide a…
- The shape of the mean-variance frontier that results from the combination of a riskless and arisky asset is…..:a. Is U-shaped, tilted 90 degrees clockwise.b. Is a straight line passing from the mean-variance points of the two assets.c. Is a hyperbola.d. Consists of two straight lines, each connecting one of the two assets to a risk-freeportfolioThe relationship between the independent variable (IV) and the dependent variable (DV) is likely to be mediated by a third variable (MV). With regard to the statement above, which of the following is most likely to be correct? A IV = Students’ performance (i.e., marks) in the formative assessment; DV = Students’ performance (i.e., marks) in the summative assessment, and MV = Students’ level of comfort with the venue of the assessments B IV = Students’ performance (i.e., marks) in the summative assessment; DV = Students’ performance (i.e., marks) in the formative assessment, and MV = Students’ level of preparation for the assessments. C IV = Students’ performance (i.e., marks) in the formative assessment; DV = Students’ performance (i.e., marks) in the summative assessment, and MV = Students’ level of preparation for the assessments D IV = Students’ performance (i.e., marks) in the summative assessment; DV = Students’ performance (i.e., marks) in the formative assessment,…An aircraft company wanted to predict the number of worker-hours necessary to finish the design of a new plane. Relevant explanatory variables were thought to be the plane’s top speed, its weight, and the number of parts it had in common with other models built by the company. A sample of 27 of the company’s planes was taken, and the following model was estimated:y = β0 + β1x1 + β2x2 + β3x3 + εwherey = design effort, in millions of worker-hoursx1 = plane’s top speed, in miles per hourx2 = plane’s weight, in tonsx3 = percentage number of parts in common with other modelsThe estimated regression coefficients were as follows:b1 = 0.661 b2 = 0.065 b3 = -0.018and the estimated intercept was 2.0.Predict design effort for a plane with a top speed of Mach 1.0, weighing 7 tons, and having 50% of itsparts in common with other models.
