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Questions (66)

Which major political and economic problems does North Korea face because of its autocratic policies and nuclear weapons
1. 11 answers
2. 5,318 views
Coprecipitation involves:A. Precipitation of 2 insoluble substancs simultaneously from the same solution. B. Precipitation of a
1. 1 answer
2. 558 views
A spherical tank of radius 100ft is full of gasoline weighing 40 pounds per cubic feet how much work is done in pumping the
1. 1 answer
2. 812 views
If two bar magnets are brought together, north to north and south to south is the resultant pole strength of the combination
1. 0 answers
2. 629 views
2 plane mirrors are at a right angle facing each other. A laser is beamed into one of the mirrors at an incident angle of 30
1. 0 answers
2. 646 views
When a bar magnet is cut into 2, the two halves repel each other. Why?What becomes the original north and south poles of that
1. 0 answers
2. 465 views
If 2 bar magnets are brought together, north to north and south to south is the resultant pole strength of the combination equal
1. 1 answer
2. 600 views
Are there magnets with a single magnetic pole? Is it possible for the pole strength to be different for the north and south
1. 0 answers
2. 519 views
When a bar magnet is cut into two halves repel each other. Why? What becomes of the original north and south poles of that
1. 0 answers
2. 548 views
How would you hook up 3 resistors in a circuit to get the maximum current and the minimum current?
1. 5 answers
2. 2,239 views
When does electrostatic force appear? Does moving a bent finger closely to a van degraff generator considered to exhibit
1. 0 answers
2. 569 views
A 5 ohms resistor is connected in parallel with the series assemvly of 2 ohms and 3 ohms resistors. The voltage drop across the
1. 2 answers
2. 876 views
A resistance r1=12ohms is connected in series with another resistance r2= 8 ohms. What resistance r3 must be connected in
1. 2 answers
2. 911 views
When does electrostatic force appear? Does moving a bent finger closely to a van degraff generator considered to exhibit
1. 0 answers
2. 462 views
During when does electrostatic force appear? Does moving a bent finger closely to a van degraff generator considered to exhibit
1. 0 answers
2. 525 views
How many electrons should be removed from the van de graaff generator so that its electric charge reaches 1.6 uC?
1. 2 answers
2. 1,399 views
If a current of 10.75 milliampere passes through a resistor of 5.5k ohms find the voltage drop aross the resistor. Is it v=IR
1. 1 answer
2. 584 views
1. Which factors led to the downfall of Ghana? Select all that apply.A. Ghana was engaged in conflict with people to the north.
1. 5 answers
2. 2,548 views
Which of the following do the conflicts in both Darfur and Rwanda illustrate?A. The environmental issues many African nations
1. 27 answers
2. 4,848 views
Tell which number is prime: 19, 28, 49, 63.A.63*** B.49 C.28 D.19
1. 14 answers
2. 2,938 views
In which part of the plant would you expect to find cells with the most chloroplasts?A.leaves*** B.roots C.xylem D.cambium
1. 28 answers
2. 9,596 views
Which part of the plant is responsible for absorbing water and nutrients?A.leaves B.stem C.roots*** D.xylem
1. 44 answers
2. 10,594 views
Compare and contrast the US and Canadian forms of government. Give a basic framework for each government.
1. 4 answers
2. 671 views
calculate the volume needed to make 2.20 x 10^2 ml of 0.100M cacl2. what would be the total concentration of the final (Cl-)
1. 0 answers
2. 494 views
What are the major species in solution during the titration of citric acid with a strong base?
1. 0 answers
2. 801 views
What are the major species in a solution during the titration of citric acid with a strong base such as NaOH?
1. 0 answers
2. 714 views
A triangular park has a perimeter of 45 meters. What is the measurement of one side if each of the other two equal sides measure
1. 2 answers
2. 1,288 views
Calculate the molar concentration for each of the following.a)The concentration of a brine solution containing 225 g for pure
1. 1 answer
2. 897 views
How to write three linear system that are equivalent to the linear system shown?5x-4y= -3 2x + 7y= 5
1. 0 answers
2. 455 views
What is the value of x in the system shown?y=1/5x+2 y=x-4
1. 5 answers
2. 410 views
What is the value of y in the system shown?y=12x-3 y=-2x+4 Thanks
1. 4 answers
2. 597 views
Can someone show me and explain a step by step process how to do this problem? Thanks1) Two equal but opposite charges re
1. 1 answer
2. 907 views
how do you find the hypotenuse of a triangle
1. 3 answers
2. 365 views
Needing help to get this answer right._c___ 3. What is the relationship between the alpha level, the size of the critical
1. 2 answers
2. 927 views
Needing some help to clarify this problem and help finding the right answer._b___ 2. Which of the following accurately describes
1. 1 answer
2. 601 views
A sample of n = 25 scores has M = 20 and s2 = 9. What is the sample standard deviation?a. 3 b. 4.5 c. 9 d. 81
1. 1 answer
2. 2,046 views
In a population of N = 10 scores, the smallest score is X = 8 and the largest score is X = 20. Using the concept of real limits,
1. 2 answers
2. 3,007 views
A researcher measures eye color for a sample of n = 50 people. Which measure of central tendency would be appropriate to
1. 4 answers
2. 5,548 views
For a negatively skewed distribution with a mode of X = 25 and a median of 20, the mean is probably ____.a. greater than 25 b.
1. 0 answers
2. 1,115 views
One item on a questionnaire asks, "How many siblings (brothers and sisters) did you have when you were a child?" A researcher
1. 1 answer
2. 2,611 views
In a correlational studya. 1 variable is measured and 2 groups are compared b. 2 variables are measured and 2 groups are
1. 2 answers
2. 2,350 views
Can someone please help with this problem to advise how to set up and in the book Essential of Statistics for the Behavioral
1. 2 answers
2. 947 views
If the alpha level is changed from a=.05 to a=.01.a. What happens to the boundaries for the critical region? b. What happens to
1. 1 answer
2. 4,435 views
I bought 16.8 gallons of gas at a cost of $61.47. Estimate the unit price(cost per gallon)
1. 1 answer
2. 446 views
A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the
1. 0 answers
2. 791 views
Sally dilivered 148 newspapers and received $0.03 per paper. What were herearnings?
1. 2 answers
2. 400 views
Larry has an annual return of $213.00 from $3000.00 invested at simple interest. One at 5% and the other at 8%. How much is
1. 1 answer
2. 1,268 views
An empty glass jar weighing 1.54 kg is in the shape of a cylinder which has a radius of 14cm and a height of 20cm. Calculate how
1. 2 answers
2. 620 views
I can not figure these out for the life of me. Any help is appreciated.1. Find the final amount of an investment if $2,000 is
1. 3 answers
2. 559 views
Find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a)I'm not quite
1. 2 answers
2. 632 views
Tuyns et al. (1977) carried out a case-control study of esophageal cancer in the region known as Ille-et-Vilaine in Brittany,
1. 1 answer
2. 813 views
If a small stream of liquid A was strongly deflected by a charged object, liquid B was moderately deflected, and liquid C was
1. 1 answer
2. 724 views
Q. A 10.6 kg weather rocket generates a thrust of 226.0 N. The rocket, pointing upward, is clamped to the top of a vertical
1. 3 answers
2. 659 views
1. A force F = (3.99xi + 2.86yj) N acts on an object as it moves in the x direction from the origin to x = 4.45 m. Calculate the
1. 2 answers
2. 653 views
every physics helpers are not getting any responses. can someone help on physics questions pleases???
1. 7 answers
2. 682 views
Q. A force F = (3.99xi + 2.86yj) N acts on an object as it moves in the x direction from the origin to x = 4.45 m. Calculate the
1. 2 answers
2. 586 views
Q. A 10.6 kg weather rocket generates a thrust of 226.0 N. The rocket, pointing upward, is clamped to the top of a vertical
1. 2 answers
2. 977 views
Q. A person wants to shoot a rocket off of a mountain 3.26 km high so that the rocket, when shot at 31.3¡Æ above the
1. 1 answer
2. 668 views
what's another word for poop?
1. 11 answers
2. 923 views
Pretend the program in Senegal had been reducing infant mortality at a rate of 12.5 % per year. How long would it take for
1. 1 answer
2. 1,110 views
Pretend the program in Senegal had been reducing infant mortality at a rate of 12.5 % per year. How long would it take for
1. 1 answer
2. 1,160 views
a bottle of a soft drink looks pure, but it is not, how could you demonstrate that it is a mixture?thanks
1. 2 answers
2. 594 views
Where do I get started with this?Write a 700- to 1,050-word paper in APA format describing the effects of taxation and price
1. 3 answers
2. 832 views
4^-x=(1/256)I think the answer or I guess the answer I have is: 4^-x=16^-2
1. 1 answer
2. 549 views
I need to predict the acid/base reactions of sodium carbonate with HCl, CH3COOH, NH3, and NaOH.I'm stuck, when I'm writing out
1. 0 answers
2. 1,062 views
The infrared spectrum of CH3CH2NH2 shows two absorptions not shown by bromoethane. Identify the bonds responsible for these
1. 0 answers
2. 567 views

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