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The Treaty of Versailles, explain what it was and why the United States refused to sign it. Predict how the missing signature of
2 answers
573 views
Calculate the pH of a 2.5x10-5 M lithium hydroxide solution.
3 answers
607 views
3x + 4y = -2 and 2x - 3y = 10
3 answers
278 views
The total charge in an electrical circuit as a function of time is given by q=t/t^2+1 coulombs. Find the maximum charge q.
Please
4 answers
719 views
The strength of a beam with rectangular corss-section is directly proportional to the product of the width and the square of the
3 answers
1,404 views
If a total of 13.5 mol of NaHCO3 and 4.5 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?
3NaHCO3(aq) +
3 answers
2,256 views
Given the consentration of either hrgrogen ion or hydroxide ion, use the product constant of water to calculate the
2 answers
589 views
How do the styles and themes of “Theme for English B” and “Ballad of Birmingham” compare? Answer this question in at
11 answers
1,823 views
Please help not understanding this question.
If the cost of a cell phone has decreased 400% during the past 10 years, does that
1 answer
319 views
Use the formula d=rt to find the value of the missing variable
d=42 feet, t=14 seconds then r= ft. second
4 answers
397 views
Hi helper, I used permutation for the following question. How can i use combination to find the answer? Help me please!
There are
1 answer
437 views
Find the third Derivative of
f(x)=x(3x-7)^3 The answer is 3x-1134 but I attempted the problem multiple times and I keep ending up
3 answers
402 views
A container is in the shape of an inverted right circular cone has a radius of 2 in at the top and a height of 6 in. At the
4 answers
3,480 views
I have to choose the sentence that has no error in italics. (Italicized)
a)Their lawyers are handling the case pro bono and not
3 answers
364 views
In a calorimeter, 100 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed?
33.4 J 334
4 answers
1,412 views
Find the volume of the solid of revolution by roating the region R about the y-axis. Write the answer as a multiple of pi.
y=
1 answer
447 views
Hi Teachers, will you please check my answers?
1. The speaker’s use of many exclamation points and imperative statements in
7 answers
1,544 views
Hi Teachers, will you please check my answers? The arrows indicate my answers. Am I right?
1. The speaker’s use of many
4 answers
1,379 views
Hi Teachers,
I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his
5 answers
387 views
Find the volume of the solid generated by the region in the first quadrant bounded above by the 3x+y=6, below by the x-axis, and
2 answers
487 views
Will someone please help me withthis question I couldn't solve it. What is the length of the segment whose endpoints are A(2, 3)
1 answer
381 views
This is really confusing. I know how to do the equilibrium which also has to do with reaction rates but they didb't give it to
2 answers
1,172 views
They are going to the park and play or they are going to the park to play. Which one is correct.
4 answers
1,189 views
What are the practical uses of scientific notation? Why is scientific notation so important in modern-day society?
4 answers
527 views
I have two similar problems that I need help completing. Please show all your work.
Question: Find the limit L. Then use the
3 answers
546 views
Find an equation of the line that is tangent to the graph of f and parallel to the given line.
Funtion: f(x)=1/sqrt(x-1) Line:
2 answers
545 views
Find if the limit exists.
lim tan(x)/x x->0 Please show how you determined this. Thanks!
1 answer
362 views
Joe drank 4 liters of water on Monday and 4 deciliters of water on Tuesday. How much more water did he drink on Monday than on
3 answers
508 views
The U.S. population is approximated by the function
P(t) = 556 1 + 3.72e−0.5t where P(t) is measured in millions of people and
3 answers
793 views
Is it possible to factor a sum of two squares by using real numbers?
1 answer
344 views
Please help I am so confused...
Question: supposed that y is directly proportional to x. a) use the given info to find constant
4 answers
366 views
please help. I am not sure if this is correct. I need to simplify this to the lowest terms
a^2 - 4b ^2 _____ ______ a+2b a+2b my
3 answers
479 views
simplify by factoring
�ã90 is this correct? ^3�ã10
4 answers
759 views
Please help! I am stuck on this one.
Need to simplify the expression. Assuming all variables are real numbers. ∛(27(x+2)^3) my
1 answer
332 views
please help me on how to complete the table and evaluate f(x)
x=0, x=1, x=2, x=3, x=4 f(x)7/x-1 my answers were -7 for x=0 7/0
1 answer
321 views
How is a quadratic inequality different from a quadratic equation?
1 answer
370 views
which is the easies,t Arithmetic Series or a Geometric Series? and why?
3 answers
313 views
What the general term a_n for the geometric sequence
a_1= -5 and a_2= 15
1 answer
472 views
The Romance World Cruise Line provides special gifts for passengers who are newlyweds, as well as for those who have been
2 answers
656 views
A 6.2 "kil" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.31 m. above the
3 answers
901 views
A man pushes a lawn mower on a level lawn with a force of 192 N. If 50% of this force is directed downward, how much work is
1 answer
1,001 views
How much work does gravity do on a 0.140-kg ball falling from a height of 14.0 m? (neglect air resistance)
4 answers
3,214 views
What is the kinetic energy of a 29 kg dog that is running at a speed of 8.8 m/s (about 20 mi/h)?
4 answers
4,562 views
A 136-lb. student races up stairs with a vertical height of 4.8 m in 6.0 s to get to a class on the second floor. How much power
4 answers
1,925 views
a person weights 550 N rides a bike. the pedals move in a circle of radius 30 cm. if the entire wt acts on each downward moving
1 answer
363 views
a uniform meter stick is balanced at its midpoint with a single support. a 50 N weight is suspended at the 30 cm mark. at what
1 answer
886 views
A landscaper plans to cover a 9-by-18-foot rectangular flower bed with bark dust 3 inches deep.The bark dust he is using costs
1 answer
497 views
1) On a plot of position x versus time t for an object’s motion, what corresponds to the object’s velocity at any given
3 answers
1,120 views
A gull is flying horizontally 8.17 m above the ground at 6.35 m/s. The bird is carrying a clam in its beak and plans to crack
1 answer
499 views
The coefficient of static friction between a block and a horizontal floor is 0.414, while the coefficient of kinetic friction is
2 answers
538 views
A model sailboat is slowly sailing west across a pond at 0.342 m/s. A gust of wind blowing at 28.7° south of west gives the
4 answers
1,005 views
When a baseball is tossed directly upward, what is the slope of a plot of its acceleration versus time during the upward flight?
4 answers
2,040 views
Daily Life Magazine wants an analysis of the demographic characteristics of its readers. The Marketing Department has collected
1 answer
433 views
A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the
1 answer
485 views
A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the
1 answer
621 views
A member of Congress who wants to act on what the majority of his or her constituency thinks on a particular issue would be
1 answer
1,071 views
The term "public opinion" is frequently used in reference to all of American society. This perspective is?
A. accurate, since
4 answers
1,375 views
Centrifuges are commonly used in biological laboratories for the isolation and maintenance of cell preparations. For cell
3 answers
872 views
grain is being poured through a chute at rate of 8 ft^3/min and forms a conical pile whose radius of the bottom is always 1/2
3 answers
1,655 views
find the derivative of g(x)=sin(cos(sin(pi*x)))
1 answer
367 views
find the equation for the line tangent to the curve at the given point.
(x^2)(y^2)-2xy+x=1 at (2, 1/2)
1 answer
348 views
find the derivative of f(x)=3x^2-x using the limit definition.
4 answers
2,207 views
find dy/dx
-x^2y+2xy=3y^2-7
1 answer
242 views
find dy/dx
(-x^2)(y)+2xy=3y^2-7
2 answers
919 views
find dy/dx of
xsiny-ycosx=1
3 answers
1,048 views
A rollercoaster reaches the top of the steepest hill with a speed of 6.0 km/h. It then descends the hill, which is at an average
2 answers
612 views
A spring gun (k = 27.1 N/m) is used to shoot a 51.1-g ball horizontally. Initially the spring is compressed by 16.5 cm. The ball
2 answers
761 views
A worker on scaffolding 65 ft above the ground needs to lift a 390 lb bucket of cement from the ground to a point 20 feet above
3 answers
1,840 views
their are children waiting in the lobby
what is the simple subject
2 answers
628 views
30. A truck of mass 2250 kg is used to pull a 330 kg trunk out of an old quarry as shown below. There is 550 N of rolling
4 answers
1,633 views
what angle does the line y=6/7x make on the xy plane with a positive x axis?
1 answer
272 views
what angle does the line y=6/7x make on the xy plane with a positive x axis?
1 answer
369 views
Find the smallest positive number t such that e^sin(t)=1/2
2 answers
483 views
what would happen if there were no negative feedback control on growth hormone and thyroid hormone?
4 answers
1,255 views
evaluate the expression assuming that cos(x)=1/7, sin(y)=1/3, sin(u)=2/5 and cos(v)=1/3. what is cos(u+v)? sin(x-y)? and
1 answer
304 views
What is the pH of a solution prepared by mixing 10 mL of 0.10 M NH3 and 5.0 mL of 0.24 M NH4+. Assume Ka(NH4+) = 5.56 x 10^-10
2 answers
516 views
N2(g)+3H2(g) -> 2NH3(g)+ 22000 cal
Consider the reaction is at equilibrium. Explain how the equilibrium is shifted when a. more N
3 answers
899 views
A ball is thrown horizontally from the top of a building 17.6 m high. The ball strikes the ground at a point 67.7 m from the
2 answers
588 views
A ball is thrown horizontally from the top of a building 17.6 m high. The ball strikes the ground at a point 67.7 m from the
3 answers
1,002 views
What is the importance of ATP? explain where carbohydrate metabolism occurs in the cell, what additonal ingredient is needed and
1 answer
441 views
x^2-4x-32 / x^2-20x-96
how do you simplify this?
1 answer
332 views
Find the length of the arc along f(x) = integral from 0 to x^3 sqrt(cos t) dt on the set of x [0, pi/3].
1 answer
419 views
A maker of a cubic number blocks packs a rectangular box so that there are 8 blocks along one edge, 10 blocks along the second
3 answers
545 views
I want to open a savings account that earns 1.6% simple interest yearly. I want to earn exactly $288 in interest after 3 years.
1 answer
447 views
2x-3y=6
I did +3y 2x=6+3y 1/2 to both sides(2x=3y/2+6) x=3/2y+6 or does the 1/2 go under the hole equation 0f3/2y+6 making the
1 answer
262 views
Can you please check my answers:)
1. John Gray bought a basic car for $8,250.00, with options that cost $324.00. There's a 6%
1 answer
705 views
Can you please check my answers:)
1. John Gray bought a basic car for $8,250.00, with options that cost $324.00. There's a 6%
4 answers
1,430 views
Use the disk method to find the volume of the solid formed by rotating the region bounded by y=2x and y=x^2 about the y-axis.
1 answer
413 views
Find the area of region bounded by the curves y=sin(pi/2*x)and y=x^2-2x.
4 answers
2,503 views
Use the disk method to find the volume of the solid formed by rotating the region bounded by y=2x and y=x^2 about the y-axis.
2 answers
524 views
Use the shell method to find the volume of the solid formed by rotating the region bounded by y=x^3, y=0, x=0, and x=2 about the
1 answer
427 views
A 1 mF, a 2 mF, and a 3 mF capacitor are connected in series, the combination being connected across a 9 volt battery. Which
4 answers
2,643 views
Three identical capacitors are connected in series to a battery. If a total charge of Q flows from the battery, how much charge
3 answers
2,753 views
A parallel-plate capacitor is charged by a battery and then the battery is removed and a dielectric of constant K is used to
3 answers
1,600 views
Use the disk method to find the volume of the solid formed by rotating the region bounded by y=2x and y=x^2 about the y-axis
2 answers
1,077 views
Use the shell method to find the volume of the solid formed by rotating the region bounded by y=x^3, y=0, x=0, and x=2 about the
2 answers
683 views
find the limit as x approaches 0 (arcsin x)/x
1 answer
345 views
When the switch is closed in a circuit, the wire between the poles of the horseshoe magnet deflects upward. From this you can
4 answers
1,266 views
Mr Shea saved $2500 in April. His monthly salary is two times the amount he saved in April. In May, he saved a certain amount of
2 answers
640 views
Mr Shea saved $2500 in April. His monthly salary is two times the amount he saved in April. In May, he saved a certain amount of
4 answers
1,077 views
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