Questions Asked on
May 23, 2011

Chemistry
The value of delta H for the reaction below is 1107kj. 2Ba (s) + O2 (g) > 2BaO (s) How many kJ of heat are released when 5.75 g of BaO (s) is produced? Here is how I approached this problem: 1. Converted 5.75 g of BaO to mol: 5.75g x (1mol BaO/153.3g
asked by Thao 
Chemistry
A 15.5 mL sample of 0.215 M KOH solution requires 21.2 mL of acetic acid in a titration experiment. Calculate the molarity of the acetic acid solution. Please show all steps, I don't understand this.
asked by Tina 
Chemistry
If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the KOH solution?
asked by Tina 
chemistry
how many halflives of radon222 have passed in 11.46 days?
asked by Jerry 
Physics
A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg.
asked by shaquira 
Civics (The American President Movie)
In the movie the American Dream President Andrew Shepard (Michael Douglas) shows the roles of the President. What are examples of him being 1. Chief of State 2. Chief Executive 3. Chief Adminstrator 4. Chief Diplomat 5. Commander in Chief 6. Chief
asked by Katie 
Physics
A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg. What is the wavelength and wave speed
asked by shaquira 
geometry
The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height. I know how to do SA but I don't understand how to find height if you have SA given. The answer is 5 in but I am not able to come
asked by Mary 
Physics
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, the air is compressed to 28.0% of its original volume and the temperature is increased to 36.0°C. a) What is the tire pressure? b) After the
asked by MP 
English
As the headboy of your school write a speech on the send forth party of the principal of your school.
asked by Daniel 
physical science
you are standing on a street corner, and you hear a fire truck approaching. does the pitch of the siren stay constant, increase, or decrease as it approaches you? does the pitch of the siren stay constant, increase, or decrease as it moves away?
asked by erica 
Physics
A student measures the length of a brass rod with a steel tape at 20.0°C. The reading is 95.00 cm. What will the tape indicate for the length of the rod when the rod and the tape are at each of the following temperatures? a)20°C b)60°C
asked by Michael 
physics
Several light bulbs, each of resistance 1.5 Ω, are connected in a series across a 120 V source of emf. If the current through the circuit is 2 A, how many light bulbs are there in the circuit?
asked by ashley  HELP PLEASEE!!! 
Prealgebra
There are eight sprinters competing for first, second, and third place ribbons. How many different ways can the ribbons be awarded?
asked by Alena 
Physics
A child exerts a tangential 43.5N force on the rim of a diskshaped merrygoround with a radius of 2.41 m. If the merrygoround starts at rest and acquires an angular speed of 0.086 rev/s in 3.54 s, what is its mass?
asked by Sarah 
Chemistry
What acid and base must react to form Na3PO4?
asked by Payton 
physics
Three displacement vectors of a croquet ball are shown in figure below, where A = 20.0 units, B = 40.0 units, and C = 30.0 units. Calculate (a) the resultant in unitvector notation and (b) the magnitude and direction of the resultant displacement
asked by Benn 
Geomertry
The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height.
asked by Mary 
Science
I did your corrections. I just wanted to know if all the sentences are correct from a scientific point of view. Thank you. 1) DNA contains instructions which decide which proteins a cell will make and consequently determines the whole chemistry of the
asked by Henry1 
Math
The line 2x+3y=1 intersects the curve x(x+y)=10 at A and B. Calculate the coordinates of A and B.
asked by Noah 
Lit 210
I need help comparing Oedipus Rex and A Raisin in the Sun. This is my outline so far. Please help. I am stuck and could use any advice. Thank you Comparing and Contrasting Oedipus Rex and A Raisin in the Sun The Oedipus Rex was written around 430 B. C in
asked by Mary 
math
amy is 5 feet tall and casts a 4 foot shadow. the pine tree has an 8 foot shawdow. how tall is the pine tree
asked by selena 
math
A box containing Munchkins contains chocolate and glazed donut holes. If Gloria ate 2 chocolate Munchkins, then 1/11 of the remaining Munchkins would be chocolate. If Gloria added 4 glazed Munchkins to the box, 1/7 of the Munchkins would be chocolate. How
asked by Joe 
Chemistry (Electrons in Atoms)
The wavelength of visible light varies from 0.40 μm to 0.70 μm as the color of the light changes from violet to red. Calculate the energy of a photon whose wavelength is 0.67 μm HINT: From the wavelength and the speed of light, we can get the frequency.
asked by Katie 
math
A committee of 4 is chosen from a group of 10 women and 6 men. Determine the probability that at least 2 women are on the committee. Please show your work.
asked by corey 
Math
Henry invests $5,000 in a mutual fund with an annual interest rate of 7.5%. He also has a 4yr, $10,000 loan at 3.75%. When will the amount of interest earned on the mutual fund be equal to the amount of interest paid on the loan?
asked by Branson 
Geometry
Polygon ABCD has vertices A(–4, 0), B(–2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could
asked by Miranda 
physics
A car traveling 90 km/hr is 100 m behind a truck traveling 50 km/hr. How long will it take the car to reach the car?
asked by aayushi vyas 
PreCal
From a point 50 feet in front of a church, the angle of elevation to the top of the steeple is 48 degrees. Find the overall height of the church and steeple.
asked by Sandra 
physics
A skydiver jumps out of a ;lane 3 km in the air and reaches terminal velocity after falling for 15 seconds. If he falls at a constant speed the rest of the way to the ground, how long will he have been in the air total?
asked by 123 
math
A multiplechoice test has 10 questions. Each question has 5 choices. If a student answers each question by guessing randomly, find the probability that the student gets: a) at most 4 questions correct b) at least 7 questions correct Please show your work.
asked by corey 
Spanish 8th gradeCould someone please check this
Mexico DF is the word for Mexico City in Spanish I think that is false because they either say Mexico or el DF referring to Districto Federal, correct? They never say Mexico DF do they?
asked by Rita Z. 
Spanish 7th gradeCould someone help me, please?
I have a question Is the Dia del Santo a day that people celebrate a kind of second birthday. I think that is false because that is a day they celebrate because they share a saint's name, correct and not a second birthday
asked by Emma 
physiscs
in a simple model of a hydrogen atom, the electron revolves in circular orbit around the proton with a speed of 1.1*10^6m/s. determine the radius of the electrons orbit
asked by help help help 
physical science
true/false the force of friction always opposes motion.
asked by peter 
Ethics  Christianbased
What are the pros and cons of using your conscience?
asked by Ramona 
English
I have to answer these questions but i am confused...please help :) As flies to the wanton boys are we to the gods; they kill us for sport Metaphor Personification Hyperbole Litotes None of these I do not understand the sentence itself :( I wish I had a
asked by Sandara 
Biology(HELP ME!!!)
An average person blinks their eyes about 20 times per minute. Estimate the number of times a person will blink in 1 year.
asked by Ashley 
Physical sciences
Potassium dichromate is orange in an acidic medium.it changes colour to yellow in a basic medium.
asked by Tshephiso 
Math
A box containing Munchkins contains chocolate and glazed donut holes. If Gloria ate 2 chocolate Munchkins, then 1/11 of the remaining Munchkins would be chocolate. If Gloria added 4 glazed Munchkins to the box, 1/7 of the Munchkins would be chocolate. How
asked by Joe 
science
. How does the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions, or great earthquakes? In what ways do geologic processes affect a person's daily life? . When astronauts brought
asked by bubba 
SCIENCE(chemistry)
DRAW A TEMPERATURE TIME PLOT FOR ICE STEAM TRANSFORMATION. PLEASE DRAW THE PLOT AS I WAS NOT ABLE TO DRAW IT.
asked by YASH 
Chemistry  DrBob PLEASE
A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at 15C, what is the final temperature of the ice water? (I don't know how to get it.)
asked by Jessica 
Business Law
A firm advertises that it is selling 2000 items of equipment for $230 each. Victoria Perkins orders the entire lot at the stated price, but delivery is refused. Does Perkins have a claim against the company?
asked by Sarah 
math
A car license plate consists of 6 characters. The first 3 characters are letters excluding I, O, Q and U. The last 3 characters are any of the numerals 0 to 9 inclusive. How many different license plates are possible? Please show your work.
asked by corey 
math
There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a president, vicepresident and treasurer can be selected. Please show your work.
asked by corey 
Math
1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area?
asked by Reshma 
Life Orientation
human factors that couses ill health,accidents,crises or disasters ?
asked by Themba 
geometry
Math  Plane Geometry. BC is a diameter of circle O, and radius OE is parallel to chord CD. Help?
asked by Brianna 
math
A car license plate consists of 6 characters. The first 2 characters are any letter. The last 4 characters are odd numbers from 1 to 9 inclusive. How many different license plates are possible? Please show your work.
asked by corey 
math
A company has two factories that manufacture tires. Suppose 65% of the tires are manufactured in factory 1 and 35% are manufactured in factory 2. In factory 1, 5% of the tires are defective. In factory 2, 2% of the tires are defective. a) Determine the
asked by corey 
Economics
The firm currently uses 50,000 workers to produce 200,000 units of output per day. The daily wage per worker is $80, and the price of the firm’s output is $25. The cost of other variable inputs is $400,000 per day. Assume that total fixed cost equals
asked by Angela 
teacher aide
Mike watches a lot of television programs that contain violence. When he sees an older child bullying a younger one in the park, you would expect him to A ignore it B call an adult C come to the aid of the child d join in What I've read would be he would
asked by Mother of two 
geomtry
The radius of the base of a cylinder is 4x cm is 27 cm and its height is 33 cm. Find the surface area of the cylinder in terms of 3.14
asked by Anonymous 
physics
Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?
asked by ashley  HELP PLEASEE!!! 
Math
A plane flies out of city A traveling an average of 325 mph, and reaches city B in 3 hours 24 minutes. On the return flight there is a tail wind that increases the plane's speed so it takes only 3 hours and 15 minutes to fly back to city A from city B.
asked by Hannah Montana 
physical science
true /false for every action, there is an equal and opposite reaction is best defined as Newton's Third Law
asked by peter 
maths
calculate speed,if john travels 220km for 2 hour 30 minutes ,your answer must be in km per hour
asked by karabo 
Genetic engineering and Gene splicing
what's the difference between genetic engineering and gene splicing?
asked by BB 
math
Solve the following equations algebraically for n. Show your working using factorial notation. a) n!/3!(n2)! = 12 b) 8Pn = 6720
asked by corey 
calculus iii
What heading (or direction) and airspeed (speed in still air) are required for an airplane to fly 837 mph due north if a wind of 63 mph is blowing in the direction of S 11.5 degrees E?
asked by miles 
geometry
The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height. I know how to do SA but I don't understand how to find height if you have SA given. The answer is 5 in but I am not able to come
asked by Mary 
math
Math homework help????? please? heres what it says on the paper. Using proportions, you can calculate the dimensions of objects without having to measure them. solve the problems that follow... heres the problem ===================================== amy is
asked by selena 
algebra
12x sqaured minus 11x equals 15
asked by Deon 
Chemistry
What is the concentration of CrO22 4 in 0.0040 M Ba(NO3)2 saturated with BaCrO4. Including the activity coefficients in the expression? The ksp of BaCrO4 is 1.17 x10^10 [CrO4 2]= ? M I want to understand the problem not just the answer please.
asked by Nadia 
Chemistry
A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at 15C, what is the final temperature of the ice water?
asked by Jessica 
Louis Riels summation to the Jury
When I came to the North West in July, 1884, I found the Indians suffering. I found the halfbreeds eating the rotten pork of the Hudson Bay Company and getting sick and weak each day. Although a halfbreed, and having no pretensions to help the Whites, I
asked by Emma 
English
I'd like you to check these sentences grammatically. I also would like you to see if the terminology I used is correct. Help me improve my paragraph, please. 1)DNA contains instructions which decide which proteins a cell will make and consequently
asked by Henry1 
math
There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a committee of 3 students which has at least 1 girl can be selected from the group. Please show your work.
asked by corey 
Algebra
Solve using the substitution method. If the system has no solution or an infinite number of solutions, state this. x + 6y = 54 3x + y = 9
asked by Wayne 
geometry
A rectangular garden plot is to be enclosed with 40 meters of fences and the area of the garden is a function of the demensions of the recangle.
asked by Myrtle 
physics
Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?
asked by ashley  HELP PLEASEE!!! 
Physics
You ride your bicycle down a hill, maintaining a constant speed the entire time. 1. As you ride, does the gravitational potential energy of the Earthbikerider system increase, decrease, or stay the same? 2. Does the kinetic energy of you and your bike
asked by Kathryn 
chemistry
how many grams of h2o are produced when 50.0g znco3 reacts with c6h8o7
asked by laura 
Finite Math
A quiz consists of 10 multiplechoice questions, each with 5 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %
asked by Anonymous 
physics
A 2.7 kg box is released on a horizontal surface with an inital speed of 2.9m/s. It moves on the surface with a deceleration of 0.27m/s^2. Calculate the kinetic friction force on the box?
asked by bob 
Math
A Thunderbird leaves at 12:00pm constantly traveling at 20mph. At 4:30pm a Jaguar leaves from the same place on the same path and reaches the Thunderbird at 9:30pm. How much faster was the Jaguar constantly traveling?
asked by Hannah Montana 
University of Phoenix
I'm taking this math class and I'm suppose to find the vertical, horizontal and oblique asymptote, if any for the following equation... f(x) = 11  (5x/5x^2 + 7x  12) by NOT, i repeat NOT looking at a graph of the function. Thanks...
asked by Armando 
Calculus  You wont get it
Find the local max and local min and saddle points of f(x, y) = x^4 + y^4  4xy +1
asked by Big Deal 
math
if you need 10 quarts of juice and have 2 gallons,do you have enough juice?
asked by Andrew 
Geometry
A cylinder flower pot with open top needs to be painted. The height is 9 inches and radius is 3 inches. If it takes Troy 5 minutes to paint 40 square inches, how long to the minute will it take him to paint the outside of the flower pot.
asked by Mary 
calculus
Find the volume of the solid generated by revolving the region about the given line. The region is in the first quadrant bounded above by the line y= sqrt 2, below by the curve y=secxtanx, and on the left by the yaxis. Rotate the region about the line
asked by ashley 
Business Law
Majorie Long decides to sell her car. She tells Rupert Ames that it is a bargain at $4,780." Ames buys the car and later discovers that the motor is in poor condition and the radiator leaks. Does Ames have a legal claim against Long for fraud?
asked by Sarah 
Vectors/Calc
Find values of a, b, and c which satisfies the following equation: a(2,1,0) + b(3,4,5) + c(2,0,3)= (4,10,7)
asked by Anonymous 
SpanishPlease check
I have to correct these sentences Is this correct? 1.Mi amigo viene de el cine. Mi amigo viene del cine. 2. Yo pono la mesa. Yo pongo la mesa. 3. Yo traer los libros. Yo traigo los libros. Thank you
asked by Christian 
7th math
Simply the expression. 1  (3x + 2)  7x + 8
asked by Justin 
Algebra 2
Find the geometric mean of each pair of numbers. 1/12, 1/18 I understand to multiply 1/12 * 1/18 and take the sqrt of the answer. But, what would be the sqrt of (1/288)? 18, 36 I got 25.46 for my answer.
asked by Jet 
Mat 117
•I am having trouble figuring out this question. Why is (3x + 5) (x  2) + (2x  3) (x  2) not in factored form? Show specifically how to find the correct final factored form. What is this factoring method called? Please help. Thank you.
asked by G 
Prealgebra
8(2j6)>2(4j4)
asked by Ashley 
overview of teaching techniques
8. Which one of the following guidelines should be followed when giving directions to students? A. Don’t allow students to choose the activity—make all decisions yourself. B. Require students to find their own background information and necessary
asked by beth 
ICA Honors
1/log_2(X) + 1/log_3(x) + 1/log_4(x) +1/log_5(x) =log_5(625)
asked by PD 
Physics
A pen placed 13.0 cm from a concave spherical mirror produces a real image 13.5 cm from the mirror. a) What is the focal length of the mirror? Answer in units of cm. b) Calculate the magnification of the image. Assume the pen is placed 28.9 cm from the
asked by Maria 
Math
A train going 60 mph left several minutes before the 63mph train. Traveling on parallel tracks the faster train reaches the slower one in 3 hours. How many minutes head start did the slower train have?
asked by Hannah Montana 
Math
The deficit of a certain government is 977.616 billion dollars. If it paid back $1000 every second, how many 365 day years would it take to pay back its debt assuming no accruing of additional interest or debt?
asked by Hannah Montana 
Math
This bag had 35 green, some black and 3 red marbles. Reaching blindfolded, the probability of picking a red is 1/23. How many black marbles are there.
asked by Hannah Montana 
Urgent Math
A large rectangle is divided into 4 nonoverlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible
asked by Joe 
calculus
Find the centroid for an area defined by the equations: y=2x+4 and y=((2x3)^2)+1
asked by Aleksey 
SCIENCE(PHYSICS)
A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. PLEASE SOLVE THE QUESTION WITH ANSWER AS I WAS NOT ABLE TO GET THE ANSWER
asked by YASH 
English
I forgot to add the following details. I really hope you can have a look at them. 1) In 1903 Emmeline and Christabel Pankhurst set up the Women’s Social and Political Union. They campaigned with other women for more rights and recognition for women’s
asked by Henry1 
math
A large rectangle is divided into 4 nonoverlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible
asked by Joe 
math
What is more? 3 quarts of juice or 10 cups of juice?
asked by Andrew 
Us history
What is the Wilmot proviso?
asked by Ashley 
Geometry
A wheel has a radius of 1 foot. to the nearest foot, how far will the wheel travel in 50 revolutions?
asked by kayla 
Conners
write an expression that tells how to find the perimeter of a triangle with each side 2 inches long
asked by Destiny 
Chemistry
What is the hydrogen ion concentration in a 0.15 molar solution of acetic acid in water at 25 degrees C? Acetic acid is 1.3 % dissociated.
asked by Emily 
Prealgebra
7(3g9)>6(5g6)
asked by Ashley 
Algebra 2
Find the specified term of each geometric sequence ab^2, a^2b^5, a^3B^8, ...; t25 really stumped. I know that r= (a^2b^5)/ab^2 but I don't know what to do next. ab^2 ((a^2b^5)/ab^2)^n1 ??
asked by Jet 
math
there are ___ parabolas that have a vertex (3,4) and pass through the point (1,4)
asked by Anup 
Math
4.5q1.54.4q=0.9q3.2
asked by Tammy 
Human Resources
Describe the historical development of human resource management from its earliest inception to the present.
asked by gdlola 
algebra
Solve the system of equations: what is the yvalue in the solution? 3x  5y = 16 and 2x + 5y = 31
asked by stella 
science
objects of different masses are suspended from a height. which combination of features will have the greatest gravitational potential energy low mass low height low mass high height high mass high height high mass low height
asked by Anonymous 
Math
How do you solve 7x  (6  2x)  x
asked by Jessica 
world history
Neanderthals lived alongside Homo sapiens for thousands of years,
asked by shannon 
Math
A large rectangle is divided into 4 nonoverlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible
asked by Joe 
SpanishSraJMcGin I'm confused at your answerplea
I'm confused by your replyIs Day of the Saint like having a second birthday? I thought it was false but then according to your answer, I'm thinking it is a kind of second birthdayThank you for rechecking Here is the running conversation Posted by Emma
asked by Emma 
Math
When the digits of a two digit number are reversed, it is 9 less than 3 times the original number. The product of the digits is 14. What is the original number?
asked by Hannah Montana 
Math
(Two concentric circles are shown)The smaller circle's circumference is 10pi. The chord's length is 24. What is the diameter of the larger circle.
asked by Hannah Montana 
Math
How do I go about finding the roots (real and complex) of this polynomial: 2x^3 + 7x^2 + 14x + 12
asked by Gustavo 
Chemistry
An electron ps from the 6th to te 3rd energy level in the hydrogen atom: a) calculate the wavelength b) calculate the frequency c) calculate te enrgy d) into which spectral series would the photon be grouped? (i really just need to formulas, then i could
asked by Ella 
Life Orientation
Which institutions/organisations are responsible for pollution that occur in our everyday life?
asked by Gilbert aka MasterG 
english
Pls Rearrange this word aidgact
asked by Dan 
psychology
What are the four central themes in social psychology?
asked by Taofeek 
Algebra II
Translate this equasion 2 units left and 4 units up: 9x^2+ 3x+ 10= 16y^2+ 154+ 3x please show me all of the steps. thank you
asked by Tina 
Algebra I
"A car is traveling at r speed. A plane is traveling at 5r speed. When will they both reach 200 miles?"
asked by Beth 
Algebra
A car rents for $45 per day plus 21 cents per mile. You are on a daily budget of $66. What mileage will allow you to stay within your budget? what is thye solution?
asked by Not to brite 
geometry
find the measure of angle 3 if angle 2 is 5x8 amd angle 4 is 3x10
asked by sally 
algebra
Solve using the addition and multiplication principles. 7+3x
asked by Shelia 
math
i'm in 5th grade what is 9/26 with a remander
asked by angelina 
Chemistry
When 0.4300g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of water is 24.6 degrees celsius and that of the gas is 24.21degress celsius. The atmospheric pressure is 100.72kPa. Calculate the molar volume of N2 at 298.15 K and 100 kPa.
asked by Codec 
algebra 2
93log3.1+65
asked by kayla 
Life Orientation
How drug additction causes ill health,accidents,crises or disaster?
asked by Themba 
Math
t  (4) = 18
asked by Megan 
Life Orientation
what is the importance of making health decision/choices to avoid the consequences ?
asked by Themba 
math
i need help 88/8its sopposed to be a fraaction 88/8+24+(84)+6
asked by sabrine 
Chemistry
When 0.4300g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of water is 24.6 degrees celsius and that of the gas is 24.21degress celsius. The atmospheric pressure is 100.72kPa. Calculate the molar volume of N2 at 298.15 K and 100 kPa.
asked by Codec 
Math
1/2m  7= 4 Does m= 1.5?
asked by IsThisCorrect 
Vectors/Calc
Note: u,v,w,a,b are all vectors Given that u= xa + 2yb v= 2ya + 3yb w= 4a  2b where a and b are collinear, find the values of x and y for which 2u  v =w
asked by Anonymous 
chemistry
Give the formula of lead iodide showing all working. You must use knowledge about atoms and electron configuration to explain answer. Thanx :)
asked by Help 
English
Can you check this very short summary on the second World War, please? 1) On 1st September 1939 Germany invaded Poland. England allied with France against Germany. 2) Germany entered France but British people managed to evacuate most of the English
asked by Henry1 
Prealgebra
9(f6)
asked by Ashley 
math
What is the 8th term of (3x1/2y)^10
asked by corey 
math
It has been determined that 30% of students at a certain high school own a cell phone. If 95 students are randomly selected determine the probability that exactly 20 students own a cell phone. *if using a calculator show syntax used*
asked by corey 
algebra
x+59+y+112=180
asked by rievwe 
Christian Ethics
what are the strengths and weaknesses of using the literal interpretation of the bible? what are the advantages of using the nonliteral interpretation of the bible?
asked by Anique 
physics
if a cannon on top of a trolley was moving at a constant speed, then fired a ball VERTICALLY and the trolley continued at the same speed. Would the ball land infront behind or on top the trolley
asked by lisa 
Linear Equations
Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. 2x  8y = 22 6x  y = 20
asked by Kelli 
Human Resources
The question is describe the process for tracking and evaluating training effectiveness. Not sure what the process is??
asked by Dee 
Prealgebra (DESPRATE NEED OF HELP!)
A triangle has side lengths of (x+4), (4x8), and (2x+8) units. If the perimeter of the triangle is at least 88 units, what is the minimum length of each side of the triangle?
asked by Ashley 
Geometry
Suppose a chord of a circle is 32 millimeters long and is 12 millimeters from the center of the circle. What is the circumference of the circle? btw.. thx fer yall that answer these, aprichiate it. yall are fricken wizards.
asked by kayla 
Physical sciences
Potassium dichromate,concentrated nitric acid 12m,concentrated sodium hydroxide 12.5m and water.set up an experiment to investigate the effects of changing concentration on an equilibrium mixture
asked by Tshephiso 
Human growth and development
Order from least effective to most effective against pregnancy. Condoms, abstinence, sponges, birth control.
asked by Ashley 
Physical sciences(chemistry)
Do not know it
asked by Tshephiso 
history
Neanderthals lived alongside Homo sapiens for thousands of years
asked by shannon 
math
jim's 10foot garage casts a 7foot shadow. his house has a 17.5foot shawdow. how tall is his house
asked by selena 
Human Resources
Describe and discuss the three steps in developing an affirmative action plan.
asked by gdlola 
algebra
Write an algebraic expression for the following: If James spends 5/6 of his weekly allowance (x) on a movie, how much will James have left?
asked by Julie 
Alexis
3 2/5  16
asked by LoveMathmaticz 
Math
I am pretty much clueless with this but would like some help the question i have been given is........How many terms are in the expansion of (a+b+c)^5 after like terms have been combined? Please help me all the way through it if you can. Thankyou
asked by Joe 
Math
The woodpecker found 3069 bugs in a tree and ate two thirds of them.How many bugs were left in the tree?Draw a picture to illustrate the problem.
asked by Trevor 
life orientation
research one of the following human factors that causes ill health.1 smoking.drug addiction
asked by Appreciatte 
geology
Which of the following materials are minerals, and why (or why not)? Water; beach sand; diamond; wood; vitamin pill; gold nugget; fishbone; emerald.
asked by anonymous 
psycology
Identify the concept that is shared by Sigmund Freud and Erik Erikson
asked by tee 
CRIMINALJUSTICE
You are a FBI agent in a counterterrorism unit. You apprehend a known terrorist that knows the whereabouts of a nuclear device that his cell has planted in the country. He refuses to tell you any information. Would it ever be justifiable to use methods of
asked by IOWALYNN 
math
i need help with just one question, and if i get it, ill be able to do the rest. Okay so its saying let height of a box be 4x+1, width be x3, and length be 2x. Find the volume. So what do i do? how do i start solving this? its polynomials
asked by bill 
science
Distinguish between utilitarian conservation and biocentric Preservation
asked by lawanda 
math
when you add a positive and negitive integer and the one with the greater magnatude is negetive, what is the sign of the sum?
asked by Anonymous 
Math
Describe what the graph of interval [7,3)look like
asked by Mary 
math
when you add a positive and negitive integer and the one with the greater magnatude is negetive, what is the sign of the sum?
asked by Anonymous 
English
I left out the following sentences.I hope you can have a look at them. 1) Can you change this 100Euro note into two 50Euro notes, please? 2) I was last in the hospital when I had my tonsils and adenoids out/when I was operated on my knee. 3) April is
asked by Henry1 
English
I have selected the five questions I was unsure of. 1) In 1945 the Labour Party came to power and introduced the welfare state, a system of social services organized and paid for by the government. 2) The National Insurance Scheme was set up in 1946 to
asked by Henry1 
English
I selected the five questions I was truly unsure of. 1) Can you change this 100Euro note into two 50Euro notes, please? 2) I was last in the hospital when I had my tonsils/appendicitis/ adenoids out (or removed?) /when I was operated on my knee/when I
asked by Henry1 
Prealgebra
3(2b+4)>4(b+7)
asked by Ashley 
history
True/false and if false change the word in ( ) The process of handing out jobs to one's supporters is known as the (citizen system) During the american revolution, the (hessians) remained loyal to england.
asked by krystal 
math
what is 9/74
asked by angelina 
algebra
59y2yblank}
asked by Carla 
algebra
x^23x+6 7x0 find and simplisy
asked by mema 
history
True / False If false change the word in ( ) i missed several of these and i need to turn it in again and i don't know which ones i answered right or wrong....plz help In (salutary neglect) a nation colonizes to create wealth for itself and to create
asked by krystal 
chemistry
What is the molarity of hcl is 35 ml is neutralized. By 500 ml of M NaOH?
asked by ray 
algebra
From a base elevation of 6600ft, a mountain peak in Colorado rises to summit elevation of 14,545ft over a horizontal distance of 15,839ft. The grade of the peak is blank%
asked by Sam 
Physics
Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa?
asked by Rachal 
trig
find the least positive value of @. sec (4@+10)cos(3@+17) @=theta
asked by Catherine 
math
write the expression 5i(1 + 3i) as a complex number in standard form.
asked by Anonymous 
science
a player used a hockey stick to increase the speed of a .200 kg hockey puck by 6 m/s in 2 seconds. how much force was exerted on the puck?
asked by ronald 
Chemistry (Electrons in Atoms)
What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to the nf = 3 state?
asked by Katie 
2nd Grade Math
What is the best way to explain 2nd grade kid, how to find one fourth of 7
asked by New 
Life Orientation
What are the consequences of drug addiction?
asked by Themba 
chemistry
Just keep getting different answers when i review this, i can't seem to get the correct one. Calculate [H3O] and [OH] for a sodium hydroide solution having a pH of 12.5
asked by Laura 
chemistry
i have another one i can't get the write answer for... Calculate the pH of the colution that results when 27.38 mL of 0.15 M H2SO4 is mixed with 18.50 mL of 0.19 M Ca(OH)2? Thank you guys so much!!
asked by Laura 
English
Can someone please explain how to do literary technique paragraph for the English regent?
asked by Naviva 
math
solve the equation x2 + 5x = 0.
asked by Anonymous 
med
Making use of the following terms, write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment
asked by mike 
Business Law
Mario Juliano agrees to paint George O' Shea's house for $1500 and to begin work on or before August 1. Juliano begins on August 4. Has she breached her contract?
asked by Sarah 
Chemistry (PLEASE HELP)
How much energy (in joules) is contained in one mole of photons (electromagnetic quanta) of frequency 2.3E+19 Hz?
asked by Julie 
math (inequaultiy)
8x+8
asked by sabrine 
Math
What is the square root of 6 times the square root of 9 if there is no perfect square of 6
asked by Tom 
Prealgebra
8(m+5)>32
asked by Ashley 
DSMA
What does Frank do on Friday? Is does and do used properly?
asked by Nellie 
SpanishPlease recheck from last week
I asked this question last week how to day I plan to go to the movies tomorrow night and you said to correct "a la" and "de el" to "al" or "del"Is the first one correctly written now? Thank you I don't think it is the second one 1.Yo pienso ir al cine
asked by Christian 
Prealgebra
6(p8)>78
asked by Ashley 
Prealgebra
12(g+8)>24
asked by Ashley 
Prealgebra
5(c+15)
asked by Ashley 
Prealgebra
3(4b+8)
asked by Ashley 
science
The president of the United States is elected by the electoral college. What type of system is this?
asked by Anonymous 
Conners
write an expression that tells how to find the perimeter of a triangle with each side 2 inches long
asked by Destiny 
Chemistry
A Sample Of Gas With A Volume Of 825mL Is Measured At 25.0 Degrees Celcius. Find The New Temperature When The Volume Is 135mL. What Is The Mass Of 41.98L Of Ammonia At STP?
asked by Anonymous 
Prealgebra HELP ME PLEASE
A triangle has side lengths of (x+4), (4x8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle?
asked by Ashley 
english
Provide the main idea for the following supporting detail: Ming is even nervous to interview Mrs. Russo.
asked by jihb 
gymsports
variuos types of competition involved in basketball
asked by ted 
english
Can someone please point me in the right direction on these. I have no idea what these mean. Thank you for any help. In each of the following series, circle the phonic element that does not belong in this sort, and then give an explanation for your choice
asked by suzanna 
world history
Earthquake activity didn't play a role in the collapse of _______ civilization
asked by shannon 
physics
A circus motorcylist can ride his motorcyle through a loop with a radius of 15 meters. What is the minimum velocity with which he can accomplist this feat?
asked by Anonymous 
Math
X 2, 0, 3, 4 Y 6, 2, 14, 18 Write the function
asked by Andrea 
math
what does method mean
asked by devin 
math
dy/dx=2/27(x3)√((x^26x+23)/y)
asked by paul 
science
when they talk about proof in regards to alcohol. how is proof determined. how do you proof alcohol.
asked by DEEK 
math
list all the factors of 84
asked by casey 
bowie
preotn with force od 5x10^5N is placed in electric field and displacede 0.15 cm what is potential difference in the situation?
asked by alesha 
unsramble
what does nshniesu spell unsrambled
asked by Anonymous 
physis
in the statement gravity is 9.81 M/S2 what does 9.81 m/s mean?
asked by DEEK 
English
Death is a commonplace in the novel. Do Hal, Mercedes, and Charles deserve their fate? Why or Why not?
asked by Anonymous 
SCIENCE(PHYSICS)
A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE IN 3 SECONDS. FIND THE TIME TAKEN TO PASS A BRIDGE OF LENGTH 540m. PLEASE SOLVE THE QUESTION AND ANSWER IT AS I WAS NOT ABLE TO ANSWER IT.
asked by YASH 
Economics
If the government lowers taxes, and everything else remains constant?
asked by Alexis Muzquiz 
Math
Simplify: 21d  8d^2 + 5d^3  5d^2
asked by Andrea 
Trig
find cos x/2, sin x = 1/4, 360 < x < 450, use halfangle identity
asked by Onedope 
u.s history
What type of change did franklin d. Roosevelt bring?
asked by carter 
Servers
Describe the function and setup of a DHCP server. How is this different from the setup for a DNS server. Under what conditions would you implement the two services on the same machine? How would you set up a firewall and DMZ for the DHCP server? What would
asked by Mary 
math
Can someone solve this and explain it please 4^log2 (2log2 5)
asked by Chuck 
math
Compute the number of elevendigit integers that can be formed using all of seven 1s and four 0s if you never start or end with a 0 and no 0s are ever next to each other.
asked by Joe 
Math
Can someone solve this showing the steps involved 4^log2(2^log2 5)
asked by Chuck 
physis
to DRWLS thanks for the help DEEK./
asked by DEEK 
chemistry
Malarity is to moles of solute over liters of solution as molality is to
asked by anita 
Prealgebra
7(v+5)>56
asked by Ashley 
Prealgebra
12(c6)
asked by Ashley 
Prealgebra
48>3(w+7)
asked by Ashley 
Prealgebra
5(3e2)
asked by Ashley 
Prealgebra
8(4s7)
asked by Ashley 
Grammar
Alot or a lot?
asked by Ashley 
Social Studies
What is a letter that starts with Z?
asked by Hailey 
algebra
Solve. 6y6
asked by Gladys 
world history
i need to figure out who a contemporary figure i could compare to Benjamin Disraeli. who does he alike?
asked by Oceana 
com
Can someone tell me about what are trigger words and gave some examples for my understanding.
asked by mas 
math
What are 5 different names for 214 I just don't get it.
asked by you cant know 
math
Compute the number of elevendigit integers that can be formed using all of seven 1s and four 0s if you never start or end with a 0 and no 0s are ever next to each other.
asked by Joe 
algebra
Find the slope if it exists y=2x+6
asked by Faye 
English
I forgot to add the following statements. Thank you. 1)Say, for example, a bit of a DNA molecule has a string of nucleotides in the order CCGCAG. Reading three “letters” at a time, CCG stands for the amino acid glycine. CAG stands for the amino acid
asked by Henry1 
physical science
true/false A lens that converges light is concave
asked by peter 
physical science
true/false All units of energy are vectors.
asked by peter 
math
What are the xintercepts of the parabola x2 + 4x −12?
asked by Anonymous