Questions

Which Newspaper Features Distinctive Portraits Called “dot-drawings” Instead Of Actual Photos?

Which newspaper features distinctive portraits called “dot-drawings” instead of actual photos? Answer The Wall Street Journal still uses dot drawings instead of actual photos. They began producing these dot drawings in 1979 and call them Hedcuts. Newspaper cartoons are a powerful means of gripping the attention of a large number of readers. It’s the pictures …

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Which Compound Would You Expect To Have Greater Surface Tension, Acetone [(Ch3)2co] Or Water (H2o)?

Which compound would you expect to have greater surface tension: acetone [(CH3)2CO] or water (H2O)? Explain. Answer: Tension of water is higher than acetone. Explanation Intermolecular bonds between multiple water molecules are hydrogen bonds, since water has a hydrogen atom attached to an electronegative atom (oxygen), and that hydrogen atom binds to an oxygen atom …

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What Three Guidelines Help Management Accountants Provide The Most Value To Managers?

What three guidelines help management accountants provide the most value to managers? Answer Three guidelines that help management accountant to provide the most value to managers are: (1) employ a cost\u2013benefit approach, (2) give full recognition to behavioral and technical considerations, and (3) use different costs for different purposes. Cost-Benefit Approach: Managers continually face resource-allocation …

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Find A Vector Function, R(T), That Represents The Curve Of Intersection Of The Two Surfaces.

Find a vector function that represents the curve of intersection of the two surfaces. The cylinder x^2+y^2=4 and the surface z=xy Answer: r(t) = 2 sin t, 2 cos t, 2 sin 2t. Explanation Rationalization. We know that one way of the parametrization of a circle of radius r in R^2 centered at the origin …

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If The Period Of The Oscillator Doubles, What Happens To The Wavelength And Wave Speed?

An oscillator creates periodic waves on a stretched string. a. IF the period of the oscillator doubles, what happens to the wavelength and wave speed? The wavelength doubles but the wave speed is unchanged. The wavelength is halved but the wave speed is unchanged. The wavelength is unchanged but the wave speed doubles. b. If …

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There Is A Common Misconception That Traditional Taxonomy Is Based On Morphology

There is a common misconception that traditional taxonomy is based on morphology, while cladistics is based on genetic data. How is this misconception incorrect? Answer Taxonomy is a branch of science that specializes in classification, especially in the classification of organisms. Cladistics is an approach to the classification of organisms in biology. The method uses …

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Calculate The Ratio Of Effusion Rates For Ar And Kr.

Calculate the ratio of effusion rates for Ar and Kr. Answer Mar = 39.948 g/mol – Determine the molar mass of argon. Mkr – 83.798 g/mol – Determine the molar mass of krypton. Substitute these molar masses into Graham’s law to determine the ratio of effusion rates.

A Rectangular Package To Be Sent By A Postal Service Can Have A Maximum Combined Length And Girth

A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross-section) of 108 inches. Find the dimensions of the package of maximum volume that can be sent. (Assume the cross-section is square.) Answer 108 – 4x*y 108-4x=y There is a max at x = …

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What Is The Preferred Steering Method To Help Reduce The Possibility Of Losing Control?

What is the preferred steering method to help reduce the possibility of losing control? A. One-hand steering B. Hand-over-Hand Steering C. Push-pull steering D. No hand steering Answer: Push-pull steering is the preferred steering method to help reduce the possibility of losing control. Explanation To assist decrease the likelihood of losing control, the push-pull steering …

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Suppose We Are Testing Ho: P=.20 Vs Ha: P Does Not Equal .20 And Ts=2.34. What Is The P-value?

Suppose we are testing Ho: p=.20 vs Ha: p>.20 and TS=2.34. What is the p-value? Answer Given (TS = test statistic z) The P-value is the probability of obtaining the value of the test statistic, or a value more extreme when the null hypothesis is true. Determine the P-value using the normal probability table in …

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