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sonia

Questions and answers by sonia

Questions (117)

Suppose that ψ1 and ψ2 satisfy the time independent Schrödinger equation for some potential. Which of the following
1. 4 answers
2. 766 views
A fence 5 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the
1. 4 answers
2. 4,407 views
what mass of zinc will be required to react completely with 100cm3 of a 1.0M hcl.
1. 4 answers
2. 1,170 views
can you help me solve this problem using long division? 14 divided by 4what is th volume of a 3 inch cube?
1. 1 answer
2. 381 views
2x2/5y2what is supposed to happen here?
1. 1 answer
2. 313 views
black-body radiation and cosmic microwave backgroundThis is hardly a question.
1. 1 answer
2. 436 views
root 3 ^1/4 times root 3 ^ 1/5the answer is root three ^9/20 i cant seem to figure out why i would have just tought that it
1. 1 answer
2. 827 views
What words and comparisons emphasize Achilles' speed?(question from the iliad)
1. 4 answers
2. 779 views
The following information relates to Dell City, whose first fiscal year ended December 31, 2006. Assume Dell has only the
1. 1 answer
2. 474 views
i have a problem in dis sum from complex numbersprove that (1+sinA+icosA)/(1-sinA-icosA)=i(secA+tanA)
1. 2 answers
2. 518 views
I am doing a project on the 4 seasons by antonio vivaldi and I need some good information please can you help me.Thanks.
1. 2 answers
2. 940 views
I am still on to the four seasons oh by the way thanks to miss sue your a star!But I have a lot of infomation on vivaldi not the
1. 1 answer
2. 461 views
What is divisor. Dividend quotient
1. 2 answers
2. 477 views
The equation of the tangent line to y=f(x) at a=2 can be written in the form y=mx+b where f(x) =4sinx/4sinx+6cosxi already got
1. 4 answers
2. 639 views
Which of the following is NOT true of colligative properties? Colligative properties are...A. responsible for lowering the vapor
1. 3 answers
2. 538 views
i need help figuring out what formaula to use for finding the final velocity of a rocket.Model rocket engines are sized by
1. 2 answers
2. 840 views
How can eliminating abbreviations reduce errors?
1. 4 answers
2. 2,736 views
for a particular event, 812 tickets were sold for a total of $1912. If students paid $2 per ticket and nonstudents paid $3 per
1. 3 answers
2. 752 views
i need stories an example of literary term
1. 1 answer
2. 324 views
8x–22>f(x)>x2+4x–18lim is going to 2 i don't no where to start i keep getting 0
1. 1 answer
2. 389 views
f(x)= 5x^2+8x+7/x^1/2i have to find the derivative and when I do this is what i get.... (x^.5)(10x+8)-(5x^2+8x+7)(-.5x^-3/2)/(x)
1. 1 answer
2. 371 views
Consider the function f(x)=10sqrrootx+5 on the interval [3,10].i found the average slope to be 2.043181217 By the Mean Value
1. 1 answer
2. 448 views
Consider the function f(t)=2sec^2(t)–10t^3. Let F(t) be the antiderivative of f(t) with F(0)=0.Then F(2) my problem is i get
1. 1 answer
2. 433 views
I was wondering if someone had to do a supply and demand curve for the subprime mortgages would they just show how the supply of
1. 4 answers
2. 414 views
If i were to do a simple supply and demand curve for subprime mortagages I know I would do the supply as increasing but what
1. 1 answer
2. 471 views
y=x^2e^x I am suppose to find the dy/dx of this the way i did it was x^2e^x times dy/dx of x^2 and got x^2e^x times 3x^2 this is
1. 1 answer
2. 388 views
explain how you selected organization contribute towards professional knowledge and abilities?
1. 3 answers
2. 583 views
how this knowledge and these abilities can impact your career success.
1. 1 answer
2. 315 views
integral from 1 to 0 dx/x^1/2i am unsure on how to even start would the limit still go to infintiy?
1. 1 answer
2. 335 views
1.how do I find the product of 500 and 3.2.How do I evaluate the expression of thi variable... abc, when a = 4 b = 20 c= 50
1. 6 answers
2. 1,504 views
y=-10x+5 m= what. I came up with 5 am I close
1. 3 answers
2. 316 views
1) during last year a company went through $800,000 worth of net loss. yet its cash increased 300,000 during the same period of
1. 1 answer
2. 382 views
find the slope, if it exists of the line containing the pair of points. (-19.3, 13.4) and (-17.3, 2.1) The slope m= I came up
1. 2 answers
2. 1,025 views
In 1990, the life expectancy of males in a certain country was 66.3 years. In 1997, it was 70.0 years. Let E represent the life
1. 1 answer
2. 489 views
find the slope and the y-intecept f(x)= -9x-7. The slope is_______ and the y-intecept is (0, ___) I came up with the slope is 2
1. 1 answer
2. 423 views
Find the slope- intercept equation of the line that has given characteristics slope 7.7 and y-intercept ( 0,-5). The
1. 3 answers
2. 751 views
find the indicated outputs for f(x)= 4x-5x= f(0)=f(-1)= f(2)=
1. 1 answer
2. 321 views
find the indicated outputs for f(x)= 4x^2- 5x= f(0)=f(-1)= f(2)=
1. 2 answers
2. 860 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y=1/x^2 y=0
1. 1 answer
2. 417 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y=1/x^2 y=0
1. 1 answer
2. 406 views
solve by substitution, 9x+2y=-64
1. 1 answer
2. 382 views
Find the volume of the solid formed by rotating the region enclosed byy=e^4x+3 y=0 x=0 x=0.7 this is my work V = ∫ e^4x dx
1. 4 answers
2. 1,989 views
cos(t)/(5sin(t)+8)^2the answer i got was: xcos(t)/(5sin(t)+8)^2 this is not right when i put it in what did i do wrong?
1. 6 answers
2. 468 views
the question asks to integrate cos(t)/(5sin(t)+8)^2 the answer i got wasxcos(t)/(5sin(t)+8)^2 i think the x is wrong but i am
1. 1 answer
2. 509 views
My professor asked to take the derivative of profit for fun so I just wanted to check if my answer was right.profit=PQ(p,a)-c(q(
1. 3 answers
2. 423 views
the question asks to integrate cos(t)/ (5sin(t)+8)^2 the answer i got was xcos(t)/(5sin(t)+8)^2 this is not right i believe
1. 1 answer
2. 445 views
Our professor gave us a exercise to do for fun where he said to derive profit=PQ(P,A)-C(Q(A))-A (note Q is a function of A both
1. 1 answer
2. 476 views
integral of x^3+65/X^+7x+12 dxwhen i solved i got x^2/2-7x+64ln(x+4)-111ln(x+3)+c however this isn't the right answer....what
1. 1 answer
2. 289 views
for the problem asking to integrate (x^2 - 5x+ 14 )/(x-1) * (x^2+9) I solved getting the answer ln(x-1)-5/3tan^-1(x/3)however
1. 1 answer
2. 349 views
Consider the following data about the goods market in a hypothetical closed economy. Assume that government expenditure is
1. 2 answers
2. 602 views
Consider the following data about the goods market in a hypothetical closed economy. Assume that government expenditure is
1. 2 answers
2. 531 views
can you help me with this questionfor example , i work for one retail company, so i need explain and justify in selecting the
1. 1 answer
2. 514 views
Suppose you inherit $10,000 and decide to use the money to start a lawn-care business. You purchase a truck and a mower for
1. 3 answers
2. 612 views
the question is what % of the offspring will be round ? anf the letters are (Rr x rr) and then a square
1. 2 answers
2. 490 views
write the ratio in simplist form4000 miles to 500miles
1. 1 answer
2. 401 views
24/2=108/nn=? solve for n
1. 1 answer
2. 335 views
3 1/2- = - p 3 p=? (type the whole number or a simplified fraction)
1. 1 answer
2. 346 views
1. if y=mx+1, -mx+y=1, 3x+4y=9 find out the value of m.2. sum of 2 digits is 9. the digit obtained by7 increasing digit in ten's
1. 1 answer
2. 360 views
USE THE GIVEN SET OF POINTS TO PROVE EACH CONGRUENCE STATEMENTE(-3, 3), F(-1, 3), G(-2, 0), J(0, -1), K(2,-1), L(1, 2);<EFG=<JKL
1. 3 answers
2. 644 views
Week 2: Online Presentation: “Tutorials & Guides-1” - Due Date: Day 3 [post to the Main forum]This week you will chose a
1. 1 answer
2. 482 views
find the sum of arthmetic progression 12,15,18,,,,,, 84,a=12 d=3 n=?
1. 4 answers
2. 319 views
the first term of an arthmetic progression is 1 and its last term is 28, find the sum of the progression if their number is 10
1. 1 answer
2. 425 views
a man saved a sum of 200 dinars in the first month, 250 in the second month, 300 in the third month and he continue to save at
1. 1 answer
2. 424 views
a dailly farmer produce 50 tons of rice in the first day, 57 tons in the second day, and 64 tons in the third day. the
1. 2 answers
2. 502 views
i got my data task and i need to now is there a link between the height of the slope and the average speed of the object?
1. 1 answer
2. 265 views
. Investigate the values of  and  such that the system of equationsx + y + z = 6 x + 2y + 3z = 10 x + 2y + z = , may
1. 2 answers
2. 533 views
if you are printing an essay on the comuter....can the essay be double line space?
1. 4 answers
2. 357 views
find the value of pi in the following:sin pi=cos(pi + 40) sin(80 - pi)=cos pi
1. 1 answer
2. 326 views
what is the vertex and directrix of the parabola y=-1/2x^2 + 10 - 46
1. 1 answer
2. 330 views
Let's say I put a very hot 100o C, 41 g cube of aluminum in 71 ml water at room temperature (20o C). What is the temperature of
1. 1 answer
2. 417 views
round the following number to the nearest ten: 53
1. 3 answers
2. 417 views
write the place name for the 4 in the following number 3 624 786
1. 1 answer
2. 334 views
which expression is equal to 6(9+2)?
1. 1 answer
2. 340 views
Given two spheres, if the volume of the first sphere is 36r, and the volume of the second sphere is 288r, what is the relation
1. 2 answers
2. 481 views
Paul has grades of 73 and 86 on his first two tests. What must he score on his third test in order to have an average of at
1. 5 answers
2. 2,368 views
A point charge of -8.4 µC is at the origin.a)What is the electric potential due to this charge at (x,y) = (3.5 m, 0 m) b) What
1. 1 answer
2. 684 views
Four light bulbs (A, B, C, D) are connected together in a circuit of unknown arrangement. When each bulb is removed one at a
1. 2 answers
2. 838 views
in preparing budget for a day care center, you must plan for taxes.as an amployer you must pay part of employees which tax
1. 2 answers
2. 775 views
today ur going to talk about vitamin c with ur class . from which food group you willl choose ur snack?
1. 1 answer
2. 354 views
could u please give answers for exam 40553400. i,m not sure about my answers
1. 3 answers
2. 440 views
A power line carries a current of 110 A at a location where the Earth's magnetic field has a magnitude of 0.37 Gauss (0.37·10-4
1. 2 answers
2. 788 views
The magnetic field in the region shown below is increasing by 5 T/s. The circuit shown (with R=25 , C=55 µF, dimensions 1 m by
1. 2 answers
2. 531 views
The magnetic field in the region shown below is increasing by 5 T/s. The circuit shown (with R=25 , C=55 µF, dimensions 1 m by
1. 2 answers
2. 686 views
A 1.5 m tall man stands 2 m in front of a flat wall mirror. Please find: image distance and height of imageI have the formulas
1. 2 answers
2. 1,222 views
tickets to a school play cost 1.5 in advance and 2.0 at gate. by selling all 200 tickets students got $360. how many tickets did
1. 2 answers
2. 965 views
the number has 7 digits it is evenly divided by 00 the value of one of the digits is 60,000 the digit in the hundredth place is
1. 4 answers
2. 554 views
Virtue ethics regards which of these as virtues? (Points : 1)power envy temperance inconsistency
1. 3 answers
2. 396 views
A fence 5 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the
1. 1 answer
2. 519 views
Find the point on the line 2 x + 6 y + 2 = 0 which is closest to the point ( 2, 0 ).
1. 1 answer
2. 369 views
A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y = 8−x2. What are the dimensions
1. 1 answer
2. 391 views
THE Perimeter of a triangle is 2004.One Side of a triangle = 21 Times the other. the shortest side is integral length. SOLVE For
1. 2 answers
2. 1,145 views
why did john choose the room in the yellow wallpaper?
1. 4 answers
2. 740 views
verify that the function satisfies the hypotheses of the mean values theorem on the given interval. then find all numbers c in
1. 2 answers
2. 551 views
what is the smallest perimeter possible for a rectangle whose area is 1000in^2 and what are its dimensions?
1. 1 answer
2. 442 views
find the radius and height of a cylindrical soda can with a volume of 21in^3 that minimize the surface area.
1. 2 answers
2. 1,064 views
there are 36 carpenters in a crew. on a certain day, 29 were present. what percent showed up for work?
1. 4 answers
2. 2,342 views
walkie talkie phone company charges $18.00 for basic phone service per month and $0.15 per minute for long distance calls. Arena
1. 3 answers
2. 1,249 views
a number that can be expressed as the product of 3 equal factors?a number that can be expressed as the product of 2 equal
1. 1 answer
2. 368 views
please help me with these defintions of math terms please:a number that can be expressed as the product of 3 equal factors? a
1. 1 answer
2. 435 views
We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30
1. 1 answer
2. 409 views

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