Numerade

Questions asked

BEST MATCH

How many ways are there to rearrange the letters in the word exam, including the word itself? Question 6 options: 4 16 24 36

View Answer

BEST MATCH

Which of the following has the lowest energy and the most stable form of butane? Eclipsed Staggered Both eclipsed and staggered None of these

View Answer

BEST MATCH

Let X be a normally distributed random variable representing the amount of an individual claim of a policyholder covered by a group health policy. You are given that Var(X)=250,000 and P[X<1000]=0.3446. Calculate the difference between the 90th percentile of X and the median of X.

View Answer

BEST MATCH

Three particles are connected together via three rigid rods. For this planar system, one can use the Cartesian coordinates of each particle to describe the configuration of this system

View Answer

BEST MATCH

What is the primary mechanism of antisense technology in plant biotechnology? Inserting a foreign gene into the cell to produce more proteins. Blocking gene transcription by modifying the DNA sequence. Using complementary mRNA to prevent translation of the targeted gene into protein. Overexpressing the original gene to enhance protein production.

View Answer

BEST MATCH

A certain sample of hydrogen gas exerts a pressure equal to 749 mmHg and occupies a volume of 16.7 L. The temperature of the sample was originally 32.8 oC, but was heated to 43.5 oC. What new volume, in L, does this sample occupy after the temperature change?

View Answer

BEST MATCH

Required information A 1,150-kg car moving east at 80.0 km/h collides head-on with a 1,650-kg car moving west at 30.0 km/h, and the two cars stick together. How much KE is lost in the collision? (Round the final answer to one decimal place.) $\Delta KE_{lost} = $ __ kJ

View Answer

BEST MATCH

For a first order decay of [A], if 258 mg remains of an initial sample of 1.2349 g after 256 min, what is the half life (in minutes)?

View Answer

BEST MATCH

(30 pt) A steel long-cylinder ($\alpha$=1.5x10$^{-6}$ m$^2$/s, k=30 W/m.$^\circ$C, c=500 J/kg.$^\circ$C, p=5000 kg/m$^3$) having radius of 30 cm, initially at uniform temperature of 600 $^\circ$C, is suddenly immersed in a water bath at 25 $^\circ$C. The convection heat transfer coefficient between the water and the cylinder surface is 1000 W/m$^2$.$^\circ$C. a. Find the centre temperature of the cylinder after 30 minutes. b. Calculate the energy (Q) removed per unit length of the cylinder during 30-minute period.

View Answer

BEST MATCH

Determine the interval(s) for which the function shown below is decreasing.

View Answer

sabrina l.