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Questions (58)
Compare conduction to radiation in terms of heat transfer.(1 point)
a. Both methods require contact between objects, but only
3 answers
164 views
How did the Intolerable Acts help lead to the American Revolution?(1 point)
Responses They influenced colonists’ ideas on the
1 answer
86 views
Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point)
3 answers
923 views
Which is correct about the Earth-sun system?(1 point)
a. The sun is at one focus of the Earth’s elliptical orbit. b. Newton’s
3 answers
211 views
Which of the following best represents a major role the Roman Catholic Church played in Spanish and Portuguese empire building?
C
1 answer
105 views
In a mixed number or fraction problem, you have dividing and multiplying. Now if you were given a list of multiplying and
3 answers
1,045 views
To make my question clearer,
I will ask: In fraction word problems I have a hard time telling the difference between a
1 answer
800 views
What is the relationship between the equilibrium and changes of state?
You need to be a little more specific. For liquids, for
1 answer
628 views
If the internal energy of a thermodynamic system is decreased by 300 J when 75 J of work is done on the system, how much heat
4 answers
2,942 views
I need to figure out the next two numbers in the following sequences.
A)144, 121, 100, 81, B)3, -12, 48, -192,
3 answers
855 views
Mirk Labs is a British pharmaceutical company that currently enjoys a patent monopoly in Europe, Canada, and the U.S on Zatab,
3 answers
1,094 views
What is the [Pb+2] in a saturated solution of Pb(OH)2 for each of the following initial pH values?
Ksp Pb(OH)2 = 2.8x10-16 a. pH
1 answer
359 views
What is the theoretical yield of aspirin if you have 2g of salicylic acid and 5 ml acetic anhydride?
2 answers
892 views
Determine whether the grapg of the given equation is symmetric with respect to the x-axis, y-axis, and/or the orgin.
f(x)=3x²+1
1 answer
425 views
Use analytical and graphical methods to solve the inequality:
x©ø+10x©÷+31x¡-30 (2x)/(x+1)¡(4)/(x-3)
1 answer
436 views
A nurse wants to add water to 18 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much
3 answers
612 views
A professor wants to supplement her pension with investment interest. If she invests $26,000 at 4% interest, how much more would
1 answer
339 views
statistics (mean, median, mode): X=3 and the first score is 2 points above and the second score is 4 points above how many
1 answer
314 views
What are the steps to figuring out x and y in 3x + 5y = 39.89 and what does x and y equal in the end?
1 answer
354 views
How many rectangles can i make with 12 centicubes? Are there areas and perimeters the same.
1 answer
329 views
I need to use the Gaussian Elimination to solve a system of equations, but I have no idea on how to do that. I remember doing
2 answers
618 views
What is it called where the over pass arching supports meet the ground
2 answers
461 views
How did President Theodore Roosevelt put his progressive activism to work toward big business, conservation, and international
2 answers
501 views
Were dinosaurs multicellular or unicellular?
3 answers
417 views
5x = 14 into an algebraic expression
3 answers
498 views
Consider the vector 𝐴⃑ in the first quadrant, with magnitude
given by 𝐴 = 10, that makes an angle of 𝜃 = 25° with the
2 answers
470 views
Use the given information to find f '(4).
f(x) = 5g(x) + h(x) g(4) = -4 and g'(4) = 6 h(4) = 1 and h'(4) = -5 f '(4) = ____
1 answer
272 views
a rectangular field is to be enclosed by a fence. two fences, parallel to one side of the field, divided the field into 3
2 answers
1,206 views
Suppose the height of the freight elevator in your building is half its width w
when the doors are all the way open. a. What is
3 answers
1,122 views
Elena went on a 6-mile walk. She completed the first half of the walk 1 mi/h faster than usual and the second half of the walk 2
2 answers
684 views
What is the likely formula for a molecule composed of hydrogen atoms and one sulfur atom? Draw the Lewis structure for this
3 answers
967 views
Lincoln is preparing many gifts for a family holiday party. Each gift must either be wrapped with wrapping paper or prepared in
4 answers
2,690 views
Which sample (your bottled water or your swimming pool) has the HIGHER TOTAL KINETIC ENERGY? WHY?
1 answer
189 views
How many grams of O2 would be required to produce 75 grams of SO2
Reaction: 4 FeS + 7 O2 --> 2 Fe2O3 + 4 SO2
3 answers
543 views
how many atoms are there in 6.4 moles of H2
3 answers
534 views
Use rounding or compatible numbers to estimate each product or quotient
5x2 3/5 A: about 10 B: about 10 3/5 C: about 15 D: about
5 answers
616 views
How would where the setting is in a story affect the characters?
1 answer
188 views
Which colonial document was the the first which the signers gave their consent to be governed according to the decisions made by
4 answers
289 views
In which situation would a scalar quantity be sufficient?(1 point)
a. calculating the net force acting on a car as it moves b.
4 answers
279 views
What is the correct action-reaction pair relationship describing Newton's third law? (1 point)
a. ForceA on B = Force B on A b.
4 answers
122 views
What is equal and opposite to the applied force on a spring?(1 point)
a. spring force b. spring constant c. displacement d.
3 answers
138 views
A rocket motor is used for different model rockets that have different masses. The results of tests for a rocket motor are shown
3 answers
201 views
How does the force of impact during a collision change when the time of contact is reduced?(1 point)
a. It decreases. b. It
3 answers
225 views
A student shows the following work to calculate the gravitational force between two identical objects with masses of 740 grams
1 answer
109 views
How does mass affect the vector of gravity?
a. It affects neither the direction nor the magnitude. b. It affects its direction,
1 answer
88 views
A diagram that models a molecule containing carbon and hydrogen to answer the question.
Which statement best describes a correct
1 answer
85 views
Which statement correctly describes how Rutherford thought of the atom based on evidence from his gold foil experiment?(1 point)
1 answer
162 views
What is true about weather?(1 point)
a. The weather behaves randomly, which is why weather predictions are so often inaccurate.
4 answers
290 views
Which statement is evidence justifying why Bode’s law was considered a scientific law and not a theory? (1 point)
A. Certain
1 answer
202 views
Which statement is evidence that the everyday use of the word law refers to rules that can be broken? (1 point)
A. Electricity
4 answers
335 views
A ball is thrown into the air with an initial upward velocity of 60 ft/s. Its height h in feet after t seconds is given by the
1 answer
78 views
Did European empires have technological power and, if so, what did this mean for forms of African armed resistance?
European
1 answer
72 views
How was the Indian economy impacted in the long term by the Industrial Revolution?(1 point)
Responses Economic growth was slower
1 answer
42 views
Which of the following accurately differentiates the political, social, and economic factors that led to the American, French,
1 answer
76 views
Identify the main reason for global migration during the Industrial Revolution.
technology colonization more jobs hopes for a
1 answer
122 views
What was one reason for societal tension during the Industrial Revolution?
Artisans took jobs away from factory workers because
1 answer
103 views
Which of these examples is evidence of total war?
Changes in military strategy and training during World War I became standard
1 answer
156 views
How was Lenin’s Cult of Personality created?
through a fusion of ideology and civil war through a fusion of violence and
1 answer
82 views
