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Questions (1,507)
7. Which technologies and conditions made World War I a new kind of war? Select all that apply.
a. Trench warfare b. Field
2 answers
3,197 views
Question; How has the development of the internet stimulated the world in regards to communication, growth, globalization, and
1 answer
579 views
How has the development of the internet stimulated the world in regards to communication, growth, globalization, and economics?
3 answers
548 views
What is the wavelength of light needed to break double bonded carbons if double bonded carbons have an enthalpy of 602 kJ/mol?
1 answer
660 views
100g of sulfuric acid is added to 100g of zinc. Find the mass of the ionic substance formed.
2 answers
597 views
Which of the following is a requirement of all service sector occupations
A, expertise B, transportation C, haste D, enthusiasm
94 answers
7,342 views
#include <iostream>
using namespace std; int main() { int GPUspeed = 0, CPUspeed = 0, cores = 0, resolutionChoice = 0; float
1 answer
673 views
Playing a video game on a computer can give different experiences based on the performance capabilities of the computer’s
0 answers
846 views
What is the slope of the line who goes through the points (4, 2) and (7, -4) ?
1 answer
464 views
What are at least two or three examples of the first 3 logarithmic properties?
1 answer
714 views
Find the volume of the rectangular prism
A) 23in B) 297in C)318in D) 159in
4 answers
660 views
Review the passage.
During WWI, (Christian) Armenians had been in revolt and had taken control of some Ottoman provinces. As the
1 answer
870 views
i need help with problem d
Graph the arithmetic sequence an = –4, –1, 2, 5, 8, … a. What is the 8th term in the sequence?
1 answer
1,155 views
Are my answers correct?
8. The first, second, and the nth terms of an arithmetic sequence are 2, 6, and 58 respectively, i. Find
3 answers
933 views
b. Alice’s school is selling tickets to the school carnival.
On the first day of ticket sales, the school sold 3 adult tickets
1 answer
596 views
why does dade like seeing movies? Star food quiz
9 answers
2,431 views
What was an effect of the Napoleonic Wars on Europe?
the collapse of the traditional empires of Austria and Russia the spread of
1 answer
711 views
Which of these lines from “Full Fathom Five” makes use of alliteration?
17 answers
5,074 views
Which graph represents the solution to the given system?
y=-x+5 y=1/4x+10 Im rlly behind and need some help on the test .-.
58 answers
18,161 views
Which of the following statements best describes the Galveston hurricane?
A- Advance warning of the storm led many people to
1 answer
1,269 views
5. Which sentence contains a predicate noun?
A. The walk through the tunnel was eerie* B. I bought Mom a cookbook for her
2 answers
1,122 views
19 or 20. Describe the sequence of transformations from quadrilateral ABCD to A’B’C’D’.
The graph is 10 by 10 (the x and
0 answers
1,282 views
Your dad just gave you his old computer running Windows 7. You want to see how many volumes are contained within it. Which tool
1 answer
1,142 views
1.) Which best describes a system of equations that has no solution?
A. Consistent, independent B. inconsistent, dependent C.
53 answers
38,405 views
What is the main job of the U.S executive branch?
A.) To enforce laws B.) To interpret laws C.) To repeal laws** D.) To make laws
20 answers
7,861 views
Your school wants to take out an ad in the paper congratulating the basketball team on a successful season, as shown to the
19 answers
3,901 views
2. The function A(n) = 5 + (n-1) (4) represents an arithmetic sequence. Which of the following formulas represents the same
4 answers
1,156 views
What does it mean to conjugate a verb? This is for Spanish. Also, I have looked up what it means, and I must’ve missed this in
8 answers
957 views
A box which has a mass of 90.8kg is at rest on a rough horizontal floor, A man pushes on the box with a horizontal force of
1 answer
824 views
Hi. I am stuck on this question.
List the subsets of the set: {5, 10, 15} What am I supposed to be doing? I just do not
3 answers
2,007 views
Solve the inequality
-5x<15 x = -2 Is this correct? Are there supposed to be multiple solutions? This confuses me. Thanks.
2 answers
385 views
Hi. I always get this confused so I’d like to confirm I am right.
L ≤ $500 “≤” this means less than or equal to. So,
3 answers
383 views
The number,n (in hundreds), of mosquitoes in a camping area after t weeks can be modelled by the equation
0 answers
681 views
There is a wind blowing from N80oE at 45 km/h. The airspeed of the plane will be 550 km/h.
(a) What direction should the pilot
1 answer
563 views
(6) Consider the vectors Vector a=(1,2,3) and Vector b=(-3,0,2).
(a) Determine the projection of Vector a onto Vector b. (b) A
1 answer
878 views
550^2 = 45^2 + x^2 - 2*45x*cos100°
show step by step on how to find x
1 answer
314 views
Using a specific example, prove the vector property: For vectors u⃗ and v⃗ and scalar p > 1, show p(u⃗ +v⃗ )=pu⃗
2 answers
549 views
Solve using Gauss Jordan method - Write in terms of (x, y, z) = ( )
3y + 2z = 1 2x − y − 3z = 3 2x + 2y − z = 4
0 answers
558 views
Michael Perez deposited a total of $4000 with two savings institutions. Bank A pays interest at the rate of 5%/year, whereas
1 answer
3,110 views
Explain how the Civic virtues of the ancient Romans inspired the founding fathers vision of how citizens should conduct
1 answer
1,676 views
A helicopter is hovering above a road at an altitude of 24 m. At a
certain time, the distance between the helicopter and a car on
1 answer
2,570 views
Water is a greater absorber of IR than CO2, it also makes up 4% of the air by volume. If 0.016% change in CO2 over 100 years can
0 answers
404 views
Orson rides his power boat up and down a canal. The water in the canal flows at 10 km/hr. Orson takes 5 hours longer to travel
0 answers
518 views
The height of a ball thrown up with a velocity of 39.2 m/s is given as a function of time(measured in seconds) by the equation
1 answer
939 views
What is the value of tan (Arc cos 15 seventeenths)?
1. 8/15 2. 8/17 3. 15/8 4. 17/8 Can you guys explain what the Arc means?
1 answer
883 views
Three point charges are placed along a straight line with successive charges being 3.0 m apart. The central one has a charge of
1 answer
1,259 views
Can I use a=qE/m to work this out? Since f=ma and f=qE
1 answer
355 views
An electron has an acceleration of magnitude 2.0 × 10^13 m s−2 in a uniform electric field. What is the magnitude of the
1 answer
543 views
A planet orbiting a certain star is observed to have an orbital period of 65 days with an orbit whose semi-major axis is 3.8 ×
1 answer
764 views
A racing car accelerates from 50 km per hour to 200 km per hour in 3.0 seconds along a straight track, and the acceleration is
2 answers
723 views
The radioisotope radon-222 has a half-life of 3.8 days. How much of a 65-g sample of radon-222 would be left after approximately
1 answer
1,100 views
A car is speeding along the motorway at 40 m s when the driver
observes an accident ahead. He slams on the brakes, the wheels
2 answers
772 views
A cricket jumps vertically upwards, and remains in the air for 1.6 s. At
what speed did it leave the ground?
1 answer
607 views
Patty’s Burgers sells three hamburgers and two milkshakes for three dollars and thirty five cents. One hamburger and one
1 answer
603 views
Copper has a Fermi energy of 7.02 eV. What is its electron number
density? ---------------------- Using Ef=h^2/8m(3n/pi)^2/3 I
0 answers
506 views
A swimmer launches himself upwards from a springboard 5.0 m above
the surface of the water in a swimming pool. His trajectory is
1 answer
942 views
If enough energy were supplied to a diamond would that allow some of its electrons to transition to a higher energy band and
0 answers
453 views
A man stands on the edge of a cliff with hands outstretched horizontally
carrying two stones, one in each hand. At time t= 0, he
1 answer
773 views
A man stands on the edge of a cliff with hands outstretched horizontally
carrying identical pebbles, one in each hand. At time t=
2 answers
875 views
A rocket travels vertically away from the surface of Mars. It is still close to the surface and travelling at a speed of 25 m s
2 answers
648 views
Read these lines from T.S. Elliot's "Preludes."
"Six o’clock./The burnt-out ends of smoky days./And now a gusty shower
4 answers
8,359 views
So a quick question. If im representing a quantum gas with diagrams of the allowed configurations of the gas.
When it comes to
1 answer
679 views
Choose the word or phrase that best defines the italicized word.
"An aged man is but a *paltry* thing,/ A tattered coat upon a
15 answers
14,739 views
Choose the word or phrase that best defines the italicized word.
"An aged man is but a *paltry* thing,/ A tattered coat upon a
1 answer
1,948 views
Very briefly explain the main horizontal and vertical features of the Periodic Table in terms of the electronic structure and
1 answer
938 views
How would electrical current be affected if the time interval over which a charge passes through an area increases while the
0 answers
507 views
A little confused on this question... I think I would need to take the solute and put it over the solvent, and then use molar
1 answer
923 views
Which of the following compounds has the greatest molar solubility?
A) AgBr, Ksp= 5.4 x 10^13 B) Ba3(PO4)2, Ksp = 3.0 x 10^-23 C)
3 answers
3,770 views
What is the boiling point elevation of a solution of NaNO3 (85.0 g/mol, complete dissociation) made by dissolving 10.0 g of
1 answer
3,183 views
Getting my head twisted around by the wording of these two questions, any help would be appreciated. My answers/ideas are below
1 answer
604 views
So I have worked out the 'allowed' configurations for four particles which can occupy 5 different energy levels (1, 3, 5, 7, 9)
2 answers
565 views
A hypothetical gas consists of four indistinguishable particles. Each particle may sit in one of five allowed quantum states,
1 answer
1,390 views
f is a differentiable function on the interval [0, 1] and g(x) = f(2x). The table below gives values of f ′(x). What is the
2 answers
12,554 views
A concave mirror with a radius of curvature
of 1.7 m is illuminated by a candle located on the symmetry axis 3.7 m from the
0 answers
800 views
A concave mirror has a radius of curvature of
1.61 m. Calculate the position of the image produced when an object is placed 2.66
0 answers
567 views
Of the following materials, sound waves travel fastest through...?
Helium at room temperature Air at room temperature Water at
1 answer
953 views
Calculate the focal length of a concave spherical mirror that projects an image 12.0 cm in front of the mirror with a magnitude
0 answers
443 views
A particle of mass 2.00×10^−10 kg is confined in a hollow cubical three-dimensional box, each edge of which has a length,
1 answer
1,492 views
(a) Photoelectrons with a maximum kinetic energy of 7.6eV are emitted from a metal when it is illuminated by ultraviolet
1 answer
1,880 views
Simplify the radical expression. Show all your steps.
\sqrt{363} -3 \sqrt{27}
51 answers
10,139 views
PLEASE HELP PLEASE
Does the series diverge or converge? How do you know? 3+6+12+24+...
1 answer
515 views
Come up with a new linear function that has a slope that falls in the range
−1< m <0 . Choose two different initial values. For
2 answers
932 views
A solution contains 1.4 * 10^−5 mol of KBr and 0.14 mol of KCl per liter. AgNO3 is gradually added to this solution. Which
1 answer
1,808 views
McCarthyism was able to become strong because of the increasing fear of Communism in China and Eastern Europe that came to the
1 answer
752 views
Write an equation for a rational function whose graph has all of the indicated features.
x - intercept of -4 y - intercept of -2
1 answer
1,313 views
Optics/Lens problem. Is the image real or virtual?
A converging lens of focal length f1 = +22 .5cm is placed at a distance d = 60
0 answers
783 views
an 11.5 kg object with a temperature of 25.0 degrees celsius is attached to a pulley mechanism. it is allowed to fall until is
1 answer
445 views
A sample of 8.02×10^−1 moles of nitrogen gas (γ =1 .40) occupies a volume of 2.00×10^−2 m^3 at a pressure of 1.00×10^5
2 answers
883 views
A sealed container of volume V =0 .10m^3 holds a sample of N =3 .0×10^24 atoms of helium gas in equilibrium. The distribution
3 answers
1,001 views
A converging lens of focal length f1 = +22 .5cm is placed at a distance d = 60 .0cm to the left of a diverging lens of focal
1 answer
2,027 views
A 6.50 horsepower self propelled lawn mower is able to travel at 0.56 m/s, starting from rest, in 0.050 s. If the lawn mower has
1 answer
860 views
What is the maximum magnitude of the induced current in mA and how many times does this occur per second?
-----------------------
0 answers
448 views
write unbalanced oxidation and reduction reactions for the following processes:
Mn³⁺(aq) → MnO₂(s) + Mn²⁺(aq)
1 answer
554 views
The prompt for this question is f(x) =sin(x^2)
A)Write the first four terms of the Maclaurin series for f(x) B)Use the Maclaurin
3 answers
1,213 views
How can I sketch a graph of the first two partial sums for the following power series:
Sum(n=1 to infinity) ((2x+5)^n) / (n(4^n))
1 answer
881 views
Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following
1 answer
912 views
The prompt for this question is f(x) =sin(x^2)
A)Write the first four terms of the Maclaurin series for f(x) B)Use the Maclaurin
3 answers
607 views
Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following
2 answers
1,109 views
50 = 1/2 π (4.88)² dr/dt
Can someone solve this?
1 answer
321 views
How do you find the radius of convergence and interval of convergence for the following?
Sum(n=1 to infinity) ((2x+5)^n) /
1 answer
528 views
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