Questions Asked on
October 18, 2014

Math Algebra
The coordinates of quadrilateral VXY Are given below. Find the coordinates of its image after a dilation with the given scale factor V(6, 2), W(2, 4), X(3, 2), Y(3, 5) scale factor of 2 This question is confusing me and is worth 3 points please help :)
asked by Jeff 
Calculus
A rectangular field is to be enclosed by a fence and divided into three lots by fences parallel to one of the sides. Find the dimensions of the largest field that can be enclosed with 800 feet of fencing. Help me please!!!!!!!!!!! THANK YOU
asked by Lex 
Chemistry HELP
In a constantpressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 21.73 °C to 25.82 °C. If the solution has the same density and specific heat as water,
asked by wisa bedalie 
college chemistry
When a 5.00g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.642 kJ·K–1, the temperature decreases by 0.340 K. Calculate the molar heat of solution of KCN.
asked by wisa bedalie 
Physics
Nothing in my physics book addresses this question. Can someone please help?? Two ice skaters, with masses of 69kg and 47kg , stand facing each other on a 19mwide frozen river. The skaters push off against each other, glide backward straight toward the
asked by Barogo 
DIFF CALCULUS
A swimming pool is 12 meters long, 6 meters wide, 1 meter deep at the shallow end, and 3 meters deep at the deep end. Water is being pumped into the pool at ¼ cubic meter per minute, and there is 1 meter of water at the deep end. a. What percent of the
asked by JR 
physics please help
A drum (see Figure 10.2) has a radius of 0.40 m and a moment of inertia of 2.3 kg ∙ m2. The frictional torque of the drum axle is A 14 m length of rope is wound around the rim. The drum is initially at rest. A constant force is applied to the free end of
asked by anthony 
chemistry
How many milliliters of a 0.200 M HI solution are needed to reduce 21.5 mL of a 0.365 M KMnO4 solution according to the following equation: 10HI+2KMnO4+3H2SO4 > 5I2+ 2MnSO4 +K2SO4+ 8H2O
asked by Kayla 
Math
A women has $500,000 invested in two rental properties. One yields an annual return of 14% on her investment, and the other returns 10% per year on her investment. Her total annual return from the two investments is $59,000. How much is invested at each
asked by Lost in the math 
calculus
a ladder 6 feet long leans against a vertical building. the bottom of the ladder slides away from the building horizontally at rate of 1/2 ft/sec. A) at what rate is the top of the ladder sliding down the wall when the bottom of the ladder is 3 feet from
asked by fadea 
Chemistry
Weight of empty crucible and cover = 23.104 g Weight of crucible, cover, MgO and Mg3N2 = 24.199 g Weight of crucible, cover, MgOand addition of H2O and heat = 24.290 Calculate the number of moles of Mg3N2.
asked by Jessica 
calculus
A cable runs along the wall from C to P at a cost of $3 per meter, and straight from P to M at a cost of $5 per meter. If M is 16 meters from the nearest point A on the wall where P lies, and A is 50 mters from C, find the distance from C to P such that
asked by RAJ 
chemistry
You need 715 mL of a 45% alcohol solution. On hand, you have a 55% alcohol mixture. How much of the 55% alcohol mixture and pure water will you need to obtain the desired solution?
asked by Gotti 
PHYSICS 1301 (COLLEGE)
As shown in the figure below, two masses m1 = 4.10 kg and m2 which has a mass 50.0% that of m1, are attached to a cord of negligible mass which passes over a frictionless pulley also of negligible mass. If m1 and m2 start from rest, after they have each
asked by Bree 
PHYSICS 1301 (COLLEGE)
A box of unknown mass is sliding with an initial speed vi = 5.10 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 4.20 m long. The coefficient of kinetic friction between the rough section of flooring
asked by Bree 
Chemistry
7. The specific heat of wood is 2.03 J/g∙°C. How much heat is needed to convert 550. g of wood at 15.0°C to 10.0°C?
asked by Nick 
Algebra Help
Form a Polynomial f(x) Degree: 4, Zeros: 2+2i;5, Multiplicity:2 f(x)=a(______________)
asked by Anonymous 
Chemistry
Is there a reaction between Sodium Acetate and Copper (II) Nitrate. If so, what is the balanced equation for it? Also, what type of reaction is it does it form a precipitate?
asked by Cj 
STATISTICS
THE DISTRIBUTION OF THE NUMBER OF VIEWERS FOR THE AMERICAN IDOL TELEVISION SHOW FOLLOWS A NORMAL DISTRIBUTION WITH A MEAN OF 29 MILLION AND A STANDARD DEVIATION OF 5 MILLION. WHAT IS YHE PROBABILITY NEXT WEEKS SHOW WILL: HAVE AT LEAST 23 MILLION
asked by LEIGH 
AP Calc. AB
If a cylindrical tank holds 100,000 gallons of water, which can be drained from the bottom of the tank in an hour, then Torricelli's Law gives the volume of water remaining in the tank after t minutes as V(t)=100,000(1(t/50))^2, 0
asked by Jacke 
Math
Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part
asked by Bethany 
Physics
The blades of a ceiling fan have a radius of 0.393 m and are rotating about a fixed axis with an angular velocity of +1.36 rad/s. When the switch on the fan is turned to a higher speed, the blades acquire an angular acceleration of 1.82 rad/s2. After 0.475
asked by Anon 
Spanish 3
I am having trouble with choosing the correct pronouns for these following questions: 1. Él _______ (a su hermano) da la manzana. se*** 2. Tú ______ lavas. (el coche) lo*** 3. Los niños ______ acuestan a las ocho. se*** 4. El hombre ____ (el libro) da
asked by N.Dennis 
physics
A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is above the ground. What is the mass of the box?
asked by anthony 
chemistry
A dilute solution of sulfiric acid is added to 15g of copper and iron mixture. a) the volume of h2 envolved at standard conditions is 4.48L what is the mass of each of the metals constituting the mixture ? Vm=24l.mol.
asked by alaa 
physics
Consider a cSi solar cell whose fingers have a resistance R=0.1Ω. What would be the finger's resistance (in Ω) if the finger's width is doubled and the finger's height is one third of its initial value?
asked by hari 
Physics
Sanjay's air boat starts from rest and accelerates at 8.7 m/s2 for a distance of 176 meters. How fast is it moving at the end of the 176 meters?
asked by Anonymous 
Business
What is cultural diversity? Why do managers need cultural diversity? Is cultural diversity present in your organization (work, school, church, etc.)? How?
asked by Denise 
physics
A body of mass 4 kg is dropped from a height of 20m .calculate the initial momentum and the momentum just before it strikes the ground (g=10m/s*s)
asked by mariya 
Math
A biologist has a 36% solution and a 14% solution of the same plant nutrient. How many cubic centimeters (cc) of each solution should be mixed to obtain a 25 cc of a 25% solution? I been looking at this for 2 hours please help
asked by Please end my suffering PLEASE HELP 
Chemistry Check
Determine the missing values of deltaH in the diagram shown below ^  ^ N2O3(g) + 1/2 O2(g) (Enthalpy)  ^   deltaH= +16.02       2 NO2(g)    ^  deltaH=?       deltaH=?        N2(g)+202(g)  Answer: Delta H for the right= 66.36
asked by Nancy 
Computer Science
Write a program to compute an employee’s weekly pay and produce a pay slip showing name, gross pay (i.e. pay before deductions), deductions, and net pay (i.e., pay after deductions).
asked by Christopher 
Science Help
1.) A rail gun uses electromagnetic energy to accelerate objects quickly over a short distance. In an experiment, a 2.00 kg projectile remains on the rails of the gun for only 2.10x102 s, but in that time it goes from rest to a velocity of 4.00×103 m/s.
asked by Kenny 
physics
a person of mass 80 kg standing on a boat of mass 320 kg which at rest in still water the person is initially 12m from the shore the person walk on boat for 6 sec with a constant speed 1 m/s toward the shore and then stop distance of the person from the
asked by anjali 
French: ms sue or any French expert
Ecrivez le passé compose ou l'imparfait du verbe pour completer chaque phrase Conjugate the verb in passé compose or imparfait Jouer 1. Nous______ au baseball tous les etes Recevoir 2. Elle _____ un chien pour son troisieme anniversaire. Prendre 3. Nous
asked by Sarah 
Reading
Read the paragraph below . I'll show them that I can write well , "ling thought. Back in china , she had gotten the best grades in English class . But ever since her family had moved to Florida, her reports had been coming back all marked up . Ling asked
asked by Nin 
english
Identify Prepositional Phrases: Last summer our whole family hiked up a mountain.
asked by tom 
calculus
use differentials to determine by approximately how many centimeters does the diagonal of a square table increase if its area is increased from 50 square centimeters to 54.45 square centimeters? Area= s^2 Diagonal= sqrt(2s^2) so, D= sqrt(2A) dD=A^(1/2) dA
asked by anonymous 
Physics
A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the body of the top. The string has a length of 54 cm and is wound around the top at a spot where its radius is 2.2 cm. The thickness of the string is negligible.
asked by Anon 
Math
A bank lent $260,000 to a company for development of two products. If the loan for product A was for $77,000 more than that for product B, how much was lent for each product?
asked by Desperate for help 
Algebra
A tree is 38.5 feet tall casts a shadow that is 9 feet 4 inches long.A utility pole beside the tree casts a shadow that is sixtyfour inches long.Find the height of the utility pole. Show work
asked by Sirena 
math
Point e is located at (2,2) and point f is located at (4,6). Whats the distamce between points e amd f?
asked by tesla 
Calculus
The number of bacteria after t hours in a controlled laboratory experiment is n=f(t). Suppose there is an unlimited amount of space and nutrients for the bacteria. Which do you think is larger, f'(5) or f'(10)? If the supply of nutrients is limited,would
asked by Anonymous 
Physics
Please help!! I know how to work the problem to find velocities, but this one has me stumped! A 2.0kg block slides along a frictionless surface at 1.0m/s . A second block, sliding at a faster 4.4m/s , collides with the first from behind and sticks to it.
asked by Bonnie 
calculus
2 given s(t)=3t +5t+3, find the instantaneous velocity when t i= 5.
asked by Duane 
Calculus
The cost of producing x ounces of gold from a new gold mine is C=f(x) dollars. Do you think the values of f'(x) will increase or decrease in the short term? What about the long term? Explain.
asked by Anonymous 
math
I'm wonder if im correct? Two physics students built a model rocket for a class project. Once the rocket is launched, its height in feet, h(t), can be found using the height function h(t) = 16t² + 96t where t represents time in seconds my work:
asked by Ally 
Algebra
I need help with this problem, and I think it's a perfect square trinomial problem. X^2+22+121y^2 I know 11 is the square of 121.
asked by Nelson 
Math
Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part
asked by Bethany 
physics
Vector A is 10 unit longs and points at 25 degree above the positive x axis. Another vector B is 8 units long and points along yhe positive x axis. Determine the magnitude of A X B.
asked by ain 
chemistry
Situation: You have 100ml of isotopically labelled water 3H2o. That is, the water is made with the radioactive isotope of hydrogen, tritium, 3H. Compounds that contain radioactive isotopes are called "hot." You pour this 100 mL of "hot" water into the
asked by Lila 
Math
A glass of skim milk supplies 0.1 mg of iron and 8.2 g of protein. A quarter pound of lean red meat provides 3.75 mg of iron and 21 g of protein. If a person on a special diet is to have 7.36 mg of iron and 73 g of protein, how many glasses of skim milk
asked by Josh 
physics
How far from a piece of paper must you hold your father’s 2.00 D reading glasses to try to burn a hole in the paper with sunlight?
asked by daniel 
algebra
A boat was purchased for $45,000. Assuming the boat depreciates at a rate of $4700 per year (straightline depreciation) for the first 8 years, write the value v of the boat as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 8. v(t) = ____,
asked by Barbara 
calculus
Find the points of the paraboloid z=x^{2}+y^{2}1 at which the normal line to the surface coincides with the line joining the origin to the point. What is the acute angle betwwen the normal and the zaxis at these points?
asked by RAJ 
math
it is a 3 digit number all the digits are different the first and second digits are multiple of 3 the first digit is greater than the second digit. the sum of the first two digits is 7 more that the third digit the number is not a multiple of 5 the third
asked by Anonymous 
Algebra
find the complex zeros of the polynomial. Write f in factored form: F(x)= 2x^25x^320x^2+115x52=0
asked by Anonymous 
English
1. If your answer is right, you will get one point. 2. If you answer the question right, you will get one point card. 3. If you answer the question rightly, ou will get one point card. (Which sentence is right?)
asked by rfvv 
algebra
A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straightline depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10. v(t)= ____
asked by Barbara 
calculus
Find the points of the paraboloid z=x^{2}+y^{2}1 at which the normal line to the surface coincides with the line joining the origin to the point. What is the acute angle betwwen the normal and the zaxis at these point
asked by RAJ 
physics
A triple beam balance, like the scales we use every week in lab, works using rotational equilibrium. If a 253 g mass is placed on the pan, 1 cm from the pivot, and there are three masses, 1 g, 10 g, and 50 g masses on the other side can be slid back and
asked by John 
calculus
Use polar coordinates to find the volume of the given solid. Inside the sphere x^2+y^2+z^2=25 and outside the cylinder x^2+y^2=1
asked by siri 
math
Mike fills his car's tank up with 20 gallons of regular gas at $2.09 per gallon. His car averages 25 miles per gallon. How many miles can Mike drive on a full tank of gas?
asked by angelica 
Biology check my answers
Please check to see if my answers are right: we need to list the 6 kingdoms with their characteristics and an example each Eubacteria "true bacteria": bacilli Monera prokaryote ,: Cyanobacteria Protista single cell, true nucleus :amoeba Plantae
asked by Grey 
Persuasive Essay
Will someone help me organize my persuasive essay? I've decided to write about the FITNESSGRAM and why high shcool students who have taken the required courses of physical education should be exempt from it.
asked by Victoria 
Math
Tina is trying to choose finger food for her party. She is choosing between 5 types of nuts, 5 types of crackers, and 4 types of cheese. If Tina chooses one of each,how many combinations does she have to choose from?
asked by Brian 
Algebra
CRITICAL THINKING Explain how you know that the slope of the line through (4, 5) and (4, 5) is positive without calculating.
asked by RAJ 
Algebra
Find the complex zeros of the following polynomial function. Write f in the factored form. F(x)=2x^45x^320x^2+115x52
asked by Anonymous. 
engr
the spacecraft is first put into a circular orbit around Mars. The period of the orbit is 110 minutes. Calculate the altitude of the orbit in km.
asked by ... 
Chemistry
1)What could have caused the impurity in the sodium hydroxide solution? 2)Why was it necessary to dilute the hydrochloric acid before carrying out the titration? This was a question from a titration practical in which we had to dilute HCL then use that
asked by Anon 
Math
Find the number 4 three times in the table . Write multiplication sentences and division sentences for each 4 . Answer; 1/1*4=4 2/ 2*2=4 3/4*1=4 1/ 4divide 1=4 2/ 4 divide 2=2 3/ 4 divide 1=4 Q2/Name five numbers that are found only once in the table.
asked by Nnh 
Algebra
Angel service club is selling flowers. Cost if flower is .50. Sales price is cost of flower plus 40%. How many flowers do they need to sell to make profit of $500
asked by Anonymous 
Music
What kind of music does most people listen to?
asked by Skrillex 
Calculus
If G(x)=(x)/(1+2x), find G'(a) and use it to find an equation of the tangent line to the curve y=(x)/(1+2x) at the point (1/4,1/2). My answer: G'(a)=1/(1+2x)^2 Equation of tangent line: y= 4x+0.5
asked by Anonymous 
math
the number 34,459,425 is the product of several consecutive positive odd numbers. what is the greatest of these numbers?
asked by tiffany 
S.S.
13. In Virginia, colonists who could pay their way across the Atlantic were granted 50 acres of land to lease for a modest rental fee. The term for such an arrangement was called A. headright. B. land assurance. C. land granting. D. indenturing.
asked by Sarah 
Math
A man is 1.9m tall and he stands 2.4m from the lampost , which is 3.2m high. Find the lenght of the man's shadow.
asked by shania 
Intermediate Algebra
it takes beth 6 hours to do homework and it takes nina 9 hours. how many hours would it take if they did their homework together?
asked by Jessica 
English
Scherer, K. R., ClarkPolner, E., & Mortillaro, M. (This is the primary source) Elfenbein and Ambady (is a secondary source and the date of this secondary source 2002) I am citing a secondary source (Elfenbein and Ambady) into my paper. The primary source
asked by Sharon 
algebra
sqrt. w^2+13, find A(0)
asked by Barbara 
Physics
Just after hitting the runway, a plane has a speed of 200.0 km/h. The plane decelerates to a stop at a constant rate. a. What is its average speed on the runway in m/s? b. If the plane takes 21 seconds to come to a stop, how much of the runway does it
asked by Andrew D 
Calculus
A pebble is dropped from an open window 100 meters above the ground. a) What is the velocity of the pebble after 2 seconds? b) What is the velocity of the pebble when it hits the ground?
asked by Anonymous 
Math
What does the word benchmark percent means?
asked by Ariana 
English
1. What was Henk Angenent's record?  He finished the race in 6 hours and 49 minutes. 2. What was Henk Angenent's record?  His record was 6 hours and 49 minutes. (Are both answers right?) 3. In 1963, how many percent of the skaters finished the race? 
asked by rfvv 
CHEMISTRY!!!!! HELP!!
I'm looking for a chemistry and applied chemistry textbook that had been published between 20112014. Please help because I couldn't find one on google.
asked by Jane 
Algebra
R(x)=(x^327)/(x^24x+3) find vertical, horizontal, and obliques asymptotes
asked by Anonymous. 
Math
Which of these two sequences form a geometric sequence: 2x, 4x2, 6x4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the sequenced formed? My answer is neither is a GP since they don't have a common ratio. If this is the case, is
asked by Brianna 
history
what is the longest river in Canada?
asked by martide 
physics
What is the velocity of the fallen ball that has 5kg
asked by Anonymous 
ALGEBRA
A(w)= sqrt. w^2 + 13, A(c)=
asked by Barbara 
physics
Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.21 s have elapsed?
asked by Frank 
English
Here is my question. Can I end a sentence with the word (in)? Here is an example of my sentence with the word (in) at the end of my sentence. This alters the way we view lifespan development, as individuals truly never stop evolving and changing their own
asked by Sharon 
calculus
can anyone help me with that question what is the domain of log(log(x)the base is 0.2)
asked by rania 
S.S.
11. Under the _______ system, Spanish conquistadores were rewarded with local villages and control over the local labor force. A. encomienda B. plantation C. impresario D. land reform A?
asked by Sarah 
Human Relation  HELP!!!
Why parents considered as our role models?
asked by John 
chemistry
which of the following is consistent with the line spectrum of the hydrogen atom? one of the choices is the nucleus is udnergoing gamma decay. but this si not one of the answers. Im just wondering what kind of decay happens?
asked by sara 
Algebra
Factor (y+2)^281
asked by George 
algebra
A(w)= sqrt w^2+13, find A(r+1)=
asked by Barbara 
algebra
find the zeros of f:f(x) = 10 − 4x x= ____
asked by Barbara 
math
amy made bags filled with M&M's and skittles. She used 48 M&M's and 30 skittles. she used the same number of each candy in every bag. what is the maximum number of bags she could make?
asked by learning 
Chemistry
What is the maximum velocity (in m/s) acquired by an alpha particle when accelerated between two plates with a potential difference of 580.0 volts? Note: An alpha particle is essentially the nucleus of a helium atom  2 protons and 2 neutrons.
asked by Stephanie 
Criminal Justice/Report Writing
Which of the following is one of the reasons the Uniform Crime Reporting Program __________ in 1982? A. was renamed the Summary Data Reporting System B. discontinued collecting and tracking statistics C. was revised D. broke ties with the FBI I am torn
asked by Pat 
English
I need help annotating please help me In the recent years, the media has shared with the public two very different stories involving children who committed acts of violence. Both minors were charged with murder and sent to adult state prison to serve their
asked by Amy 
physics
Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.42 s have elapsed?
asked by Sara 
Music
Is Sonata by Domenico Cimarosa in binary form?
asked by Anonymous 
algebra
A(w) = sqrt. w^2+13, find A(4)=
asked by Barbara 
Calculus
Find the slope of the curve f(x)=1/(x^2+3). My answer: (2x)/(x^2+3)^2
asked by Anonymous 
S.S.
1. In the southern campaign launched by the British, Cornwallis lost a battle with the Americans under Nathaniel Greene at A. Savannah. B. Cowpens. C. Camden. D. Charles Town. B?
asked by Sarah 
Algebra
(1990,52),(1992,55),(1994,59), (1996,63),(1998,66) With out calculating find a 2year period that had a greater rate of chsnge than 19901992 explain your reasoning
asked by Anonymous 
english
explanation about one touch of nature make the whole world kill"
asked by yenoah 
algebra
g(x)=6x^2+7, find g(c+5)=
asked by Barbara 
pcshysi
a man weighing 80 kg is standing on a trolly weighing320 kg the trolly is resting on a horizontal rails if the man start walking on the trolly along the rails at the speed 1 m/s then after 4s his displacement relative to ground will be
asked by anjali 
Algebra
detremine whether the relation is a function or not 1)y=15 2)x=5 3)((1,0),(1,4),(1,1)) 4)((6,3),(5,2),(2,3)) PLEASE EXPLAIN WITH DEETAILED
asked by RAJ 
algebra
f(x)=x+5; f(a)=9 find smaller value and larger value
asked by Barbara 
calculus
how would you represent the area outside given y= 4cos(2theta) but outside y=4 ?
asked by RAJ 
English
1. When did the Eleven Cities Tour take place in 1997? It took place on January 4. 2. What was the date of the Eleven Cities Tour in 1997?  It was January 4. 3. What was the date of the 1997 Eleven Cities Tour?  It was January 4.  Are
asked by rfvv 
english
elavorate the quote"one touch of nature make the whole world kill"
asked by yenoah 
Art
Who is Neville Brody?
asked by Phoebe 
algebra
Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(0)=__ Q(x),6< x
asked by Barbara 
Physics
Mike is piloting a lear jet traveling at 199.0 m/s. He accelerates at 8.5 m/s2 over a distance of 2240 meters. How fast will the jet be moving at the end of this acceleration?
asked by Jay 
science
all alkalies are bases but all bases are not alkalies
asked by brad