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2011
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Questions Asked on
May 1, 2011
) A batter hits a baseball so that it leaves the bat at speed
Vo = 37.0m/s at an angle ao = 53.1°, at a location where g = 9.80
4 answers
asked by
hehe
27,308 views
let R be the region bounded by the x-axis, the graph of y=sqrt(x+1), and the line x=3.
Find the area of the region R
1 answer
asked by
paul
5,308 views
The force exerted by the wind on the sails of a sailboat is 500 N north. The water exerts a force of 150 N east. If the boat
1 answer
asked by
polo Q
5,039 views
Calculate the solubility of AgCl in:
Ksp = 1.6x10^-10 a) 100 ml of 4.00 x 10^-3 M Calcium chloride b) 100 ml of 4.00 x 10^-3 M
3 answers
asked by
Raf
4,419 views
OF2(g) + H2O(g) -> O2(g) +2HF(g) ΔH°rxn = -318 kJ
Using bond energies, calculate the bond dissociation energy of the O-F bond,
2 answers
asked by
Kat
3,990 views
A typical soap molecule consists of a polyatomic anion associated with a cation. The polyatomic anion containd hydrogen, carbon
3 answers
asked by
celina
3,350 views
NaOH(aq)+H3PO4(aq)�¨Na3PO4(pq)+H2O(l)
Please help.
3 answers
asked by
Diana
3,050 views
The value of a new car purchased for $28,000 decreases 8% per year. Write an exponential decay model for the value of the car.
1 answer
asked by
Benjamin
2,909 views
The cloth shroud from around a mummy is found to have a carbon-14 activity of 8.1 disintegrations per minute per gram of carbon
3 answers
asked by
Anonymous
2,832 views
Express as a single logarithm
ln(a)+1/2ln(b) 2ln4-ln2
5 answers
asked by
Jan
2,758 views
The half-life of phosphorus-32 is 14.26 days. The decay constant is k=4.86×10−2/days. If you accidentally spill phosphorus-32
3 answers
asked by
Anonymous
2,411 views
An airplane is 34 ground miles from the end of the runway and 6 miles high when it begins its approach to the airport. To the
4 answers
asked by
sara
2,197 views
I am doing Unit Analysis and I can not fugure out how to set the promble up on these 3. I just need to know how to set it up I
1 answer
asked by
Shawn L
2,043 views
a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building
3 answers
asked by
sara
1,961 views
how many calories to change 100 grams of water at 100 degrees C. to 100 grams of steam at 100 degrees C.?
2 answers
asked by
Crystal
1,918 views
4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g)
If standard enthalpy change is -906.2 kJ, what quantity of heat is evolved or absorbed in
2 answers
asked by
Kat
1,913 views
a bootlenose dolphin jumps out of the water. the path the dolphin travels can be modeled by h=-0.2d^2+2d, where h represents the
1 answer
asked by
bob HELP NEEDED HELP NEEDED HELP NEEDED
1,796 views
OF2(g) + H2O(g) -> O2(g) +2HF(g) ΔH°rxn = -318 kJ
Using bond energies, calculate the bond dissociation energy of the O-F bond,
1 answer
asked by
Kat
1,734 views
Due to a storm, a pilot flying at an altitude of 528 feet has to land early. If he has a horizontal distance of 2000 feet to
12 answers
asked by
A.J
1,732 views
How do you use a Lewis Structure to find the oxidation state of an element. I have this question using the oxidation rule i got
3 answers
asked by
Farah
1,697 views
at the instant shown, the 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the
1 answer
asked by
Anthony
1,605 views
Three 75.0-g samples of copper, silver, and gold are available. Each of these samples is intially at 24.0 degrees C, and 2.00 kJ
1 answer
asked by
Joe Schmo
1,574 views
(c) Tube (c) is again filled with water. A1 and A2 are the same as in part (b). Two pistons apply different forces to the water
3 answers
asked by
d
1,524 views
A $1.2 million state lottery pays $5,000 at the beginning of each month for 20 years. How much money must the state actually
1 answer
asked by
help plzzz
1,522 views
A gneral having formed his soldiers numbering 15400,into a solider square,found he had 24 men left over,how many soliders did
1 answer
asked by
rehmanullah
1,499 views
Can you please check my work. Adjectives, adverbs ad comparisons. Use 5 adverbs and 5 adjectives to write a review. Compare an
31 answers
asked by
icelocsgirl
1,492 views
Calculate the solubility of silver chloride in 10.0 M ammonia given the following information:
Ksp (AgCl) = 1.6 x 10^–10 Ag+ +
2 answers
asked by
Raf
1,453 views
A simple dartboard has three areas…the main board has a radius of 8 inches, there is a circle with a radius of 6 inches, and
2 answers
asked by
Rodney
1,432 views
Mark has 28 10-cent and 20-cent pieces. How many of each coin does he have if their total value is $4.30?
In a class of 26
1 answer
asked by
Maria
1,412 views
What are the benefits and challenges of one technologically based communication modality—e-mail, a web-based forum, and so
6 answers
asked by
bobbi
1,359 views
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting envent, musical performance, or
4 answers
asked by
Tracy
1,354 views
3x^2+9x+4=0 the discriminant is 33, using the discriminant to determine the number of real solutions
1 answer
asked by
kim
1,324 views
he question is:
A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs,
0 answers
asked by
Josh
1,316 views
I think this should be easy but im stuck. Please help:
Suppose a compound could point in any of two directions in the solid and
1 answer
asked by
Jude
1,306 views
The revolt in Hungary (1956), the demonstrations in Czechoslovakia(1968), and the formation of Solidarity in Poland (1980's) are
3 answers
asked by
Molly
1,285 views
A debt of $6000 is to be amortized with 8 equal semiannual payments. If the interest rate is 5%, compounded semiannually, what
1 answer
asked by
ronald
1,274 views
An observer in a hot air balloon some distance away from the aqueduct determines that the angle of each depression to each end
1 answer
asked by
Anonymous
1,265 views
How would you solve this differential equation?
dy/dx=1/2x+y-1
2 answers
asked by
Joe Schmo
1,256 views
The number 4641 can be expressed as the product of two 2-digit whole numbers. What is the sum of these two numbers?
1 answer
asked by
Troy
1,233 views
I just wanted to know if the following alternatives are possible. Thank you.
1) An actor plays the part of a character in a film
1 answer
asked by
Henry1
1,222 views
Find the exponential function of the form y=ax^b whose graph passes through the points (-3, 1/27) and (0,1).
I don't know where
7 answers
asked by
Anonymous
1,196 views
Hello, I have a question for the question to solve, hope your company can help ....
A wife has been carrying out fasakh the in
0 answers
asked by
syah
1,193 views
The Call of the Wild by Jack London
"He was preeminently cunning, and could bide his time with a patience that was nothing less
4 answers
asked by
Misty
1,173 views
Which of the following is true for the transition of electrons from a higher energy to a lower energy state?
Choose one answer.
1 answer
asked by
ashley --- HELP PLEASEE!!!
1,168 views
How to determine which of the compounds will have the lowest boiling point vs the highest boiling point?
5 answers
asked by
Sarah (C)
1,154 views
The terms of a single parent's will indicate that a child will receive an ordinary annuity of $20,000 per year from age 18 to
1 answer
asked by
stuck on this one ?
1,153 views
A couple purchasing a home budget $1700 per month for their loan payment. If they have $15,000 available for a down payment and
1 answer
asked by
ryan
1,126 views
I wrote 5 phrases and several alternatives. Can you please check tif they are grammatical? Thank you. I urgently need them. I
1 answer
asked by
Henry1
1,110 views
Of 29 college juniors at State University, 13 preferred pepperoni pizza, 11 preferred supreme, and 5 preferred cheese. If we
5 answers
asked by
Rodney
1,100 views
Is it in the interest of high-income countries to promote the development of poor countries? Why or why not?
3 answers
asked by
Jon
1,091 views
in the reaction between sodium and water, hydrogen gas is given off and sodium hydroxide is formed. The gas is collected and
1 answer
asked by
Anonymous
1,082 views
Use standard heats of formation in Appendix L to calculate standard enthalpy changes for the following reactions.
1.45 x 10-2 mol
2 answers
asked by
Kat
1,071 views
1) evaluate: integral of
(3x^2 + 5x - 1 + 3/x) dx x^3/3 + x^2/5 - x Is this correct? 2) evaluate: integral of (5e^7x + srqtx) dx
2 answers
asked by
Hannah
1,037 views
I last doubt on the same sentence.
I just want to summarize the use of "leave". We are leaving Turin at ... We are leaving for
1 answer
asked by
Henry1
1,035 views
Suppose an individual makes an initial investment of $1100 in an account that earns 7.5%, compounded monthly, and makes
1 answer
asked by
help me i'm stuck
1,023 views
I left out a few more doubts. Thank you very much.
1)Can you use the plural form with the word family? Example: When my family
1 answer
asked by
Henry1
1,013 views
A train is moving with a speed of 50 miles per hour. A man standing in the rear of a train car throws a ball toward the front of
1 answer
asked by
ashley --- HELP PLEASEE!!!
1,012 views
1) Science is the ______ of temperature
2) a ________ is used to measure temperature. 3) ice is ____ dense than water 4) adding
1 answer
asked by
Crystal
1,008 views
A rectangle park measures 300 ft by 400 ft. A sidewalk runs diagonally from one corner to the opposite corner. Find the length
3 answers
asked by
Steph
1,004 views
a bootlenose dolphin jumps out of the water. the path the dolphin travels can be modeled by h=-0.2d^2+2d, where h represents the
1 answer
asked by
bob
998 views
I am hoping that someone who is good at and likes Spanish grammar can check over my "if-then" (subjunctive-conditional) clauses
2 answers
asked by
Jacqueline
991 views
I still have the following doubts. I really hope you can help me this time, too.
1) She asked: "Have you done your homework yet?
1 answer
asked by
Henry1
980 views
Since 1991, trends seem to indicate improvement with factors involving teenagers in the United States which could translate into
0 answers
asked by
ada
959 views
You
are riding a sled across frictionless ice. It has been given an initial push and is now traveling at a constant velocity, in
2 answers
asked by
SUZY
953 views
A recent graduate's student loans total $13,000. If these loans are at 4.1%, compounded quarterly, for 9 years, what are the
1 answer
asked by
meg
953 views
Law of Gravitation- Find an expression for the magnitude of the initial velocity that a projectile must possess in order to
2 answers
asked by
Dwayne
953 views
Balance the following equation in basic media
CLO3 (-1) +I (-1) --------->CLO2 +I2 please i need the final answer too
4 answers
asked by
Liz frank
952 views
use the product rule to find the derivatives of the given function
y=(3x^2-8)^2
2 answers
asked by
ash
942 views
If $86,000 is invested in an annuity that earns 5.2%, compounded quarterly, what payments will it provide at the end of each
3 answers
asked by
ughh help
932 views
Parents brought a four year old adopted daughter to see a psychiarist. The child was polite i greeting but did not smile and
1 answer
asked by
deb
931 views
1. Blue light and yellow light combine to produce white light because they constructively interfere. Explain why
2. You shine
4 answers
asked by
Quinten
928 views
I have an urgent question:
I have to mention only the countries two tourists went through. I want to be sure that they are
1 answer
asked by
Henry1
911 views
What is the number of "UNBOUND" electrons in H2O...its not 0 or 2....is it 1??
1 answer
asked by
CHEMISTRY
908 views
The problem describes a debt to be amortized.
A man buys a house for $350,000. He makes a $150,000 down payment and amortizes the
0 answers
asked by
angela
902 views
find the height of an image formed in a concave mirror with a 4.0cm focal length if the height of the objact is 2.5cm and it is
0 answers
asked by
Anonymous
893 views
You are standing on the beach and you notice 4 waves travel over your feet in 8 seconds. Your friend is 4 meteres from you in
2 answers
asked by
conner
881 views
You are driving your race car around a circular test track. Which would have a greater effect on the magnitude of your
1 answer
asked by
john
861 views
Solve the equation.
2log3 y = log3 4+ log3 (y+8) Here's what ive got take out the logs and say y^2= 4+ y +8 which simplifies to
2 answers
asked by
Kenya
848 views
A worker in an automobile assembly line who chooses this type of work because of the job security it entails is said to be
3 answers
asked by
Juan
847 views
The period of a simple pendulum is measured to be 4.0 seconds in a frame of reference. Which of the following is correct when
1 answer
asked by
ashley --- HELP PLEASEE!!!
844 views
Which of the following summarizes Rutherford's model of the atom?
Choose one answer. a. Electrons are embedded in a positive
1 answer
asked by
ashley --- HELP PLEASEE!!!
838 views
Put these facts in your only words
*Metacomet is an indian cheif who hated christianity. * He would always turn down offers to
5 answers
asked by
Frances
833 views
Find the area of the region bounded by the graphs of the algebraic functions:
f(y)=y^2+12 g(y)=0 y=-12 y=13
0 answers
asked by
Climothy
831 views
Given the quadratic function f(x) = 16x2 – 64x + 64, find a value of x such that f(x) = 16.
1 answer
asked by
kozy
828 views
Find the inverse of the function y=log8 x
1 answer
asked by
Marta
820 views
what is the output by each psuedocode segments ?
1. a=1 b=2 c=5 while a<c a = a+1 b = b+c endwhile output a, b, c 2. d=4 e=6 f=7
1 answer
asked by
michael
812 views
How a person respond to this type of statement? I am not sure how I would respond to this statement. Do you have any suggestions
3 answers
asked by
Sharon
810 views
Which of the following is correct according to Rutherford's atom model?
Choose one answer. a. Atomic spectra should be line
0 answers
asked by
ashley --- HELP PLEASEE!!!
810 views
A) a 100 gram ice cube is at -10 degrees celcius. how many calories needed to raise it to 0 degrees C.?
B) once its at 0 degrees,
2 answers
asked by
Crystal
806 views
How do you find the inverse of functions? for example how would you find the inverse of y= log8 x
6 answers
asked by
Kenya
792 views
You deposit $800 in an account that pays 5.5% annual interest compunded continuously. Find the balance at the end of 5 years.
Am
1 answer
asked by
Webber
777 views
Find the vertices, center, asymptotes, and foci of the ellipse and sketch its graph: 9x^2-4y^2-18x+8y+41=0
3 answers
asked by
Jim
770 views
The temperature at 1:00 p.m. was 88 degrees farenheight. This was 12degrees warmer then at 8:00 a.m. Earlier on the same day,
4 answers
asked by
cassandra
758 views
Please help me with these factorise algebra questions!!!
1. 9c squared + 30c + 25 - 4d squared 2. 12 + 89 - 4a squared 3. -5x
2 answers
asked by
Jason
756 views
10a^2 + 25a - 15
factor out the GCF.
1 answer
asked by
carol
747 views
in kinglear act 2: who is curan and what position does he hold in society.
2) edgar decide to disguie himself as what? 3) Regan
4 answers
asked by
reem
742 views
couple finances a house valued at $150,000. They make a $10,000 down payment and finance the remainder for 30 years at 6.8%.
3 answers
asked by
lucy
739 views
Suppose a state lottery prize of $2 million is to be paid in 20 payments of $100,000 each at the end of each of the next 20
0 answers
asked by
janet
738 views
A homeowner planning a kitchen remodeling can afford a $200 monthly payment. How much can the homeowner borrow for 3 years at
0 answers
asked by
nicole
733 views
Each year the value of a car decreases by 25% of its value the previous year. After 5 years, what is the value of a car
2 answers
asked by
Joe
723 views
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