Exams & Certification

Many lottery games for very large prizes include guessing which numbers will appear from a random sample of the numbered balls. In Minnesota’s Gopher 5 lottery, there are five balls numbered 1-47. If a player matches at least two balls, she wins a prize (see table below). If the cost of playing is $ t […]

When a vinegar and oil salad dressing separates into two layers, the oil floats on top of the vinegar. The density of the oil ___________ a) is less than  (B) Cannot be compared to  (c) S the same as (D) is greater than The density of the vinegar The Correct Answer and Explanation is :

Give two other names for WQ^(harr ). Give another name for plane V. Name three points that are collinear. Then name a fourth point that is not collinear with these three points. Name a point that is not coplanar with R,S and T. The Correct Answer and Explanation is : Now, let me illustrate these

What is the mass of 4.00 moles of glucose CsH12O6? The Correct Answer and Explanation is : To determine the mass of 4.00 moles of glucose (C₆H₁₂O₆), we need to use the concept of molar mass. The molar mass is the mass of one mole of a substance, and it is usually given in grams

Iron(III) ion (Fe3+) reacts with thiocyanate ion (SCN) to form a red complex ion with the formula [FeSCN2+. The net ionic equation describing this reaction is given in Equation 10. Fe3+ (aq, It. yellow) + SCN-(aq, colorless) = (FeSCN]2+ (aq, red) (Eq. 10) A student studying this equilibrium begins with an equilibrium mixture that is

(Bernoulli/continuity/Pitot tube) Two Pitot tubes and two static pressure taps are placed in the pipe contraction shown in the figure below. The flowing fluid is water, and viscous effects are negligible. Determine the two manometer readings, h and H.Air The Correct Answer and Explanation is : In fluid mechanics, Pitot tubes are essential instruments for

A 6-inch nominal diameter mild steel pipe (I.D.= 6.065 inch ; O.D.=6.625 inch) has an inside-surface temperature of 500°F. The pipe is covered with a 2-inch layer of 85% magnesia insulation which has a surface temperature of 200°F.Determinea ) The heat loss, q in Btu/hr per 100 ft of pipe?b.) The temperature of the outside

Organic intellectual disability is caused by a genetic disorder or brain damage. being raised by poorly educated parents. an impoverished intellectual environment. traumatic experiences in early childhood. The Correct Answer and Explanation is : The correct answer is: a genetic disorder or brain damage. Explanation: Organic intellectual disability refers to intellectual disabilities that have a

Identify and describe the parts of the Motherboard. The Correct Answer and Explanation is : The motherboard, often referred to as the mainboard or logic board, is the central printed circuit board (PCB) in a computer that houses the primary components of the system. It provides connections for all other hardware components, ensuring they work

Beamish Inc., which produces a single product, has provided the following data for its most recent month of operations:Number of units producedVariable costs per unit:2,90064$Direct materialsDirect laborS 60Variable manufacturing overhead$ 7Variable selling and administrative expenseS 10Fixed costs:Fixed manufacturing overhead$110,200Fixed selling and administrative expense$214,600There were no beginning or ending inventories. The absorption costing unit product cost