Questions Asked on
August 10, 2012

maths
prove that tan(45+theta)+tan(45theta)=2sec2theta
asked by tina 
Literature Urgent!!
Can anyone help me find a hyperbole in the book the lord of the flies, please? I've been trying to find one for the past two months! And now, school is about to start. The quotation, page number and a brief summary would be appreciated!!
asked by IB student 
math
A tank contains 50 gallons of a solution composed of 90% water and 10% alcohol. A second solution containing 50% water and 50% alcohol is added to the tank at rate of 4 gallons per minute. As the second solution is being added, the tank is being drained at
asked by deel 
physics
A passenger on an interplanetary express bus traveling at = 0.95 takes a 9.0minute catnap, according to her watch.How long does her catnap from the vantage point of a fixed planet last?
asked by julie 
math
A survey of 180 college men was taken. 43 students were in fraternities, 52 participated in campus sports, and 35 participated in campus tutorial programs. 13 participated in fraternities and sports, 14 in sports and tutorial programs, and 12 in
asked by keke 
algebra
please help! The following equation can be used to predict the average height of boys anywhere between birth and 15 years old: y = 2.79x +25.64 where x is the age (in years) and y is the height (in inches). a. What does the slope represent in this problem?
asked by karen 
Math
A survey of 180 college men was taken. 43 students were in fraternities, 52 participated in campus sports, and 35 participated in campus tutorial programs. 13 participated in fraternities and sports, 14 in sports and tutorial programs, and 12 in
asked by keke 
geomertry
millie has a garden shaped like a parallelogram that has an area of 81 square feet and a base length of 9 feet. What is the height of the parallelogram?
asked by janell 
math
Express 3/8 as decimal number
asked by james 
Organic Chemistry
Suppose a student started with 129 mg of transcinnamic acid and 0.50 mL of a 10% (v/v) bromime solution, and after the reaction and workup, ended up with 0.216 g of brominated product. Calculate the student\'s theoretical and percent yields.
asked by Need Help 
Algebra 1
Use the multiplication property of inequalities to solve the inequality. Graph the solution set 1/9t≥2 The solution set is?
asked by Tammie 
Literature Urgent 2
"When the wars over the'll be traveling to mars and back." Thanks Ms. Sue.. but I have no idea what it means?.. Maybe it means that they'll grow up soon and will be experiencing the strange feeling of not being scared abotu the beast anymore.. If anyone
asked by IB student 
Accounting
Hello I am not angry with you at all, however is there any way possible that you can help me with these two problems and we can call it even? Just let me know I am not trying to get over, however my computer had crashed and I am behind in class I purchased
asked by Johniece McCoy 
Geomerty
Write the equation of the line with the slope 3/7 passing through the point (9,2)
asked by Carly 
General
what do you call someone who now sees life for more than they thought it was before?
asked by Barbie 
Physics
How long would it take a car engine, say 500 pounds of iron, to cool from 1,200 degrees F (exauhst manifold temp) to air ambient temp. of 75 degrees F.
asked by David 
AED 200
What are the Characteristics of Constructivism? Is it Teacher or StudentCentered
asked by Christin 
AED 200
What are the Characteristics of Behaviorism? Is it Teacher or StudentCentered
asked by Christin 
chemistry
How to calculate PH 1.9 =0.0126M I do not still understand. I want you step by step to calculate for me. Thank you.
asked by Fai 
Algebra 2
When do I use permutation? When do I use combination? Examples please!
asked by Anonymous 
physics
In a stunt for a movie, a remote controlled car is driven horizontally of the edge of a cliff at a speed of 35m/s. The car hits the ground 85m from the base of the cliff. How high is the cliff?
asked by Aaron 
social studies
With the vital assistance of _______, Theodore Roosevelt established the first comprehensive national conservation policy
asked by courtney 
math
What is the value to 2 decimal places of the following integral when a = 24, b = 56, c = 2 and d = 59?
asked by stan 
(math) statistic
For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 72 Standard deviation = 9 Range = 52 Mean = 72 Median = 68 Mode = 70 Midrange = 57
asked by patrena 
Fitness And Nutrition
The best exercise workout to suggest to a client is?
asked by Anonymous 
The basic principle of ore grinding process
Lifting height and motion trail of projectile action of ore grinding medium depend on rotating speed of grinding machine and the filled amount of ore grinding medium. Both the low speed and high speed will have direct influence on the performance of
asked by jiandan 
The difference between Ball Mill and Raymond Mill
Ball Mill materials is being broken, further crush the key equipment. Mill widely used in cement, Portland products, new building materials, refractories, fertilizers, as well as black and nonferrous metal processing industries such as the production of
asked by jiandan 
Physics
Upon a flat only 10 m high (Is that possible?) there are two guns A and B attached together making a vertical angle of 60 degrees when A is flat on roof. They fire at the same time and has the same reloading time. Both guns are capable of giving an initial
asked by Imalka 
math
a merchant buys 2 quantities of rice at rs.60 and rs.40 per kg respectively.he pays at total of rs.10000. on the other hand he had paid a flat rate of rs.50 per kg. he would have paid 10% more. how many kg of each type of rice did he buy?
asked by TUHITUHI 
Politics/Debate
are there some important things about domestic infrastructure we should worry or know about? How does demestic infrastructure help us in a positive way and also in a negative way? why would someone negate the substantial increase in development for
asked by Samantha 
physics
An aircraft is flying at the speed of 354km/hr relative to the air is observed from the ground to have a velocity of 300km/hr in the north east direction. The wind is blowing from east. Find the speed of the wind and the direction to which the aircraft is
asked by george 
math
Point A and B of a triangle ABC are at (1,1) and (3,9), respectively; while point C is on the parabola y=x2. Find coordinate of C so that the area of ABC is minimum, and calculate the largest are of ABC.
asked by rolan 
math
An 8 ft wall stands 27 ft from a building. Find the length of the shortest straight beam that will reach to the side of the building from the ground outside the wall.
asked by rolan 
Child Development
Rooting is an example of a/an:
asked by Sandra 
Biochemistry
0.1M OF NaOH in 5ml is mixed with 0.1M of CH3COOH in 45ml, what is the concentration of CH3COO in equilibrium mixture?
asked by Tulela Haimbodi 
ICD 9 CM CODING
CERVICITIS TUBERCULOUS HOW DO I CODE THIS
asked by LYKEITHIA 
Calculus
Use mathematical induction to prove that the statement holds for all positive integers. Also, label the basis, hypothesis, and induction step. 1 + 5 + 9 + … + (4n 3)= n(2n1)
asked by Timofey 
math
bhagat has rs.150 in his piggy bank and plans to add rs.2 each week.Laxmi has rs.200 in her piggy bank and plans to add rs.6 each week.After how many weeks will laxmi have twice as much money as bhagat?
asked by TUHITUHI 
math
Donald wants to build an aquarium with internal volume of 1 m^3 that made of flat glass sheet. The bottom and side walls of the aquarium have to be made of 7 and 5 mmthick glass sheet, respectively. Current price of 5 mm and 7 mm galss sheet are $3.5 and
asked by ibranian 
Probality
Dealing a card from a standard deck, the noted outcome is the denomination and suit. Let Q denote the event that the card is a queen and H the event that the card is a heart.Awhat is the union of Q and H? What is the conditional probability of Pr(H/Q)?
asked by Katlego 
Algebra 1
Find the area of a circle with a radius=19yd Use π≈ 3.14
asked by Tammie 
Physical Sciences
I have a project practical investigation to do and I have no idea how to go about with it. The problem is: Calculate the mass of sodium hydroxide used to prepare a 0,5M NaOH solution in a 250ml volumetric flask. Determine the concentration of the acetic
asked by Cindy 
Math
Find the value of c to make the following augmented matrix corresponding to a consistent syste,  1 4 7 4   0 3 5 5   2 5 9 c 
asked by Anonymous 
Math
Consider the following 2x2 system of linear equations, x + y = 3 x + (a^2  8)y = a If the system have a unique solution, then a takes any value except a=3 and what?
asked by Anonymous 
Math
The system 3x + ay = 0 (a2)x + 5y = 0 has infinitely many solutions. What is the smallest possible value of a? Thanks!
asked by Vonne 
Science Biology
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
asked by Pamela 
business 101
an index fund is amutual fund that
asked by Anonymous 
science
A soccer ball is kicked with an initial speed of 8.4 m/s in a direction 22.0° above the horizontal.Find the magnitude and direction of its velocity at the following times. (Take the +x axis to be parallel to the ground, in the direction that the ball is
asked by Caitlin 
advanced algebra 2
Factor these expressions: 3x^2 + 8x + 4 2x^2  7x + 6 5x  2x^2  3
asked by kerry 
math
I'm working on some review problems in Math and having trouble on the critical thinking one. The question says is it possible for 2 numbers to have the same LCM and GCF? Explain. I'm not sure where to begin on this. I know how to do both types of problems
asked by Brandi 
ALGEBRA
evalaute the expression Given 3x2 + 2x – y, evaluate when x = 5 and y = 7
asked by Anonymous 
writing sentences and paragrahs
Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe
asked by babs 
math
Water is being pumped into an inverted right circular conical tank at the rate 30 ft^3/min. the tank, which stands vertex down and base up, has a height of 12 ft and a base diameter of 16 ft. how fast is the water level rising when the water is 9 ft deep?
asked by rolan 
law/421
What is the difference between a material breach of contract and a nonmaterial breach of contract
asked by amt 
Physics
A 750 kg car traveling 22.0 m/s due north crashes into a 1500 kg truck traveling 20 m/s due west. The two vehicles become locked together and travel 19.0 m before stopping. Find the average frictional force (magnitude and direction) that brings the two to
asked by Chad 
advanced algebra 2
Find an equation for the line with the given properties: 1) Containing the points (1, 3) and (1, 2) 2) Slope = 2/3; containing the point (1, 1) 3) Xintercept = 2; yintercept = 1 4) Parallel to the line 2x – y = 2; containing the point (1, 2) 5)
asked by kerry 
Chemisty
Please help...I know I'm missing something here if 50.0mL of AgNO3 reacts with 25.0mL of 0.100M of K2CrO4, what is the molarity of silver nitrate?
asked by Sheri 
Calculus
Evaluate the following definite integral: integral at a = 1, b=2 4dx/(9x^2+30x+25) Would I have to separate them in 3 terms as: 4 ∫1/9x^2 + ∫1/30x + ∫1/25 resulting in: 4/(3x^3)+ (15x^2)+ C? and from there I can replace a and b f(a)  f(b)? Thank
asked by Paul 
law/421
What are some examples of legal and equitable remedies available for breach of contracts
asked by at 
ALGEBRA
List the conditions when the sum of a positive number and several negative numbers will be positive. Include an example that represents your answer.
asked by LOGAN 
Math
What is the maximum number of nonoverlapping squares with sides of length 3 that will fit inside of a square with sides of length 6?
asked by Christina 
physics
An orbiting spacecraft is described not as a "zerog" but rather as a "microgravity" environment for its occupants and for onboard experiments. Astronauts experience slight lurches due to the motions of equipment and other astronauts and due to venting of
asked by Ben 
ALGEBRA
16xy2 – 23xy2 + 7xy2 Simplify by combinng like terms
asked by Anonymous 
Physics
A flatbed truck with a box sitting on the bed accelerates from rest on level ground. The truck’s speed as a function of time is 15t –2t^2 during this acceleration. The truck reaches its maximum speed and cruises along at this speed for 4 minutes. It
asked by Chad 
Physics
A low friction cart of mass m, traveling at speed v, collides (perfectly) elastically with a cart of triple the mass, initially at rest. What is the result of this collision? (What are the final, aftercollision velocities?) Do NOT use the derived
asked by Chad 
Physics
Two identical masses are connected by a (massless, stretchless) string across a (massless, frictionless) pulley. The mass on the right is held so that the string connected to it is horizontal. Everything is initially at rest; the tension is the string is
asked by Chad 
Math
A fraction of a square mile is a field that is a 1/2 mile long and 1/4 mile wide. What is the fraction?
asked by Joe 
Math
If the universal set U is defined by U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and A = {1, 2, 3, 4 } B = {3, 4, 5, 6, 7} What is n(A ∩ B) ?
asked by keke 
math adding and subracting intergers
what is the value of 27  8? a. 35 b. 19 c. 19 d. 35 what the solution 40 + (11)? a. 51 b. 29 c. 29 d. 51 what the value of 31 + 30? a. 61 b. 1 c. 1 d. 61 Can u check my answers? here they are: 1.c 2.d 3.1 if they r wrong plz tell me the right
asked by yoda 
math
what is the solution to 40 + (11)? a. 51 b. 29 c. 29 d. 51 what is the value of 31 + 30? a. 61 b. 1 c. 1 d. 61 plz help!
asked by Anonymous 
algerbra
can you help me check my answer. not sure of the answer. what is value of 27  8? a. 35 b. 19 c. 19 d. 19
asked by dudley 
English
I am writing a paragraph about why I want to participate in this school counsil thing and I was wobderi if the word choice for "deticate" in this sentence makes sense: I want to deticate myself to participate in more school activities.
asked by Kelly 
finance
Firm A has $10,000 in assets entirely financed with equity. Firm B also has $10,000 in assets, but these assets are financed by $5,000 in debt (with a 15 percent rate of interest) and $5,000 in equity. Both firms sell 10,000 units of output at $2.50 per
asked by cc 
advanced algebra 2
Factor the expressions: x^2  13x + 30
asked by kerry 
grammar
Please turn of lights when you go to sleep.
asked by adriana 
math
Solve the linear inequality x/7 +3x/14 ≤ 4/7 The solution set is?
asked by Austin