Questions Asked on
August 12, 2014

chemistry
9. The reaction of 50 mL of N2 gas with 150 mL H2 gas to form ammonia via the equation: N 2(g) + 3H2 (g) → 2NH3 (g) will produce a total of mL of ammonia if pressure and temperature are kept constant
asked by Anonymous 
physics
You jog at 9.5 km/h for 7.0km , then you jump into a car and drive an additional 16km . With what average speed must you drive your car if your average speed for the entire 23km is to be 22 km/h? Work: i tried setting up a proportion and setting it to each
asked by Zara 
Biology
Diagram the genotypes of the P1 pea plants from the previous four questions by placing the correct answer on its correct place.
asked by Sabrina 
physics
a block of mass 3 kg rests on a smooth table and connected to another block of mass 2 kg, after passing over and ideal pulley, the block of mass 2 kg is released. how long does it take the block to travel 80 cm
asked by n 
algebra
what do the words, "express m in terms of n" mean? which wors would be considered the input variable into the expression? algebra 1 homework
asked by Patti 
Algebra
Write a word phrase for the Algebraic expression 3x  7 My answer is the difference of 3 times a number x and 7
asked by Cole 
Math
A gardenervhas 100 meters of fencing to enclose two adjacent rectangular gardens. The gardener wants the enclosed area to be 400 sq meters. What dimensions should the gardener use to obtain this area?
asked by Annika 
Math
A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?
asked by Keith 
math
a 5cm by 5cm square is cut from each corner of a rectangular piece of cardboard.the sides are folded up to make an open box with a maximum volume.if the perimeter of the base is 50cm,what are the dimensions of the box.
asked by Lilibeth 
English
In the following sentence, which principal part of the verb describe appears in italics? The professor is describing the process of osmosis to the class today. A.past participle B.past C.present D.present participle
asked by peevie 
Math
A basketball player scored 18 times during one game. He scored a total of 35 points, two for each two point shot and one. For each free throw. How many two point shots did he make? How many free throws?
asked by Pam 
math
If ray BD bisects right angle ABC, the measure of angle ABD is?
asked by john 
phy111
A truck is moving at a speed of 70km/h. The exhaust pipe above the truck cab sends out a trail of smoke that makes an angle of 20o east of south behind the truck. If the wind is blowing directly toward the east, what is the wind speed at that location?
asked by samson 
Math
A farmer is fencing a rectangular area for his farm using the straight portion of a river as one side of the rectangle. If the farmer has 2400 ft of fence, find the dimension of the rectangle that gives the maximum area for the farm
asked by THERESE GAJETOS 
arithematic
A swimmer swam 1000 meters downstream in 15 minutes and swam back in 30 minutes against the current. what was the rate of the swimmer in still water? how fast was the current?
asked by tanusree 
Maths
The random variable X has probability density function f(x)={ax+bx2 , 0
asked by Lenin 
geometry
A log cabin is shaped like a rectangular prism. A model of the cabin has a scale of 1 cm to 0.5 m. If the model is 14 cm by 20 cm by 7 cm, what are the dimensions of the actual log cabin? Explain how to find the dimensions.
asked by team 1 
algebra
julia is studying the sum of interior angles in polygons. she creates polygons with 3,5,6,7 and 9 sides, and records the sum of the interior angles in each polygon in the table. Write an equation or inequality that represents the situation.
asked by Anonymous 
MATH
The first month's dues will be used to rent a film about computerrelated careers, to purchase a reference book, and to buy refreshments for the next meeting. If 1/2 of the money is spent on her film, 1/4 of the remainder is used for refreshments, and
asked by David 
Algebra
Simplify (0.4) cubed
asked by Cole 
math
A LAMP POST IS 10 FEET TALL AND CAST A SHADOW. THE DISTANCE FROM THE TOP OF THE LAMP POST TO THE TIP OF THE SHADOW IS 20 FEET. FIND THE ANGLE OF THE ELEVATION.
asked by BRANDI 
math
To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same trick the first day of the next year, it was a ? A. Sunday B. Monday C. Tuesday D. Wednesday
asked by Verikam 
math
A bottle of water costs $1.50. Explain how you would make a graph of four ordered pairs to model the total cost of the water in terms of the number of bottles.
asked by keoni 
english
I need help with this question about annabel lee. Identify literary elements (mood, imagery, symbolism, contrast, comparison) and explain how they add to your understanding of the poem. Discuss two specific instances in the poem where you see a literary
asked by Kandice 
Algebra
If EG = 59 what are EF and FG? E to F is 8x14 and F to G is 4x+1 X=______ EF=_______ FG=_______
asked by Anonymous 
math PLEASE HELP
To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same trick the first day of the next year, it was a ? A. Sunday B. Monday C. Tuesday D. Wednesday
asked by Verikam 
arithematic
A hat company is designing a one size fits all hat with a strap in the back that makes the hat smaller or larger. head sizes normally range from 51 to 64 centimeters. what absolute value inequality models the different sizes of the hat? graph the solution
asked by tanusree 
maths
A bicycle wheel makes 240 revolution in 2 minutes.(a)At what rate is the wheel turning?Give the answer in numbers of revolutions per minute.
asked by sadiyah 
arithematic
A horticulturalist is building a fence around a rectangular garden using the side of the building for one side of the enclosure. she has 81 feet fencing. what should be the dimensions of the enclosure be so that she can maximize the garden's area?
asked by tanusree 
maths
.A committee of 6 is to be selected from a group of 6 men and 9 women. If the selection is made randomly, what is the probability that the committee consists of 2 men and 3 women?
asked by Nithya 
PLEASE HELP WITH MATH
PLEASE HELP WITH MATH ANY HELP OR ANSWER IS APPRECIATED! 1. If the hands on a round clock moved counterclockwise, to what number would the minute hand point 20 minutes before the hour hand pointed to the 3?
asked by Menepsimo 
math
To the nearest 1%, what percent of the 12 months have 31 days? A. 75% B. 70% C. 58% D. 50%
asked by John 
Math
A rectangular lawn is 60meters by 80meters. A part of the lawn is torn out to install a pool, leaving a strip of lawn of uniform width around the pool. The area of the poolnis 1/6 of the old lawn area. How wide is the strip of lawn?
asked by Annika 
Earth Science
what is the driving force for the movement of the lithospheric plates? a heat from the sun b unequal distribution of heat within Earth c heat in the atmosphere d unequal distribution of heat from the oceans My answer is B
asked by Cole 
Algebra
Two angles are complementary. Their difference is 50^*. Find the angles.
asked by Pam 
Algebra
simplify 5+4 times (86) squared
asked by Cole 
math
The largest odd factor of 6^8 times 10^ 6 is?
asked by Linsovo 
Chemisty
I do not know how to rank the polarity between these, i have also included the boiling point in degrees C but it still does not help. The only thing that i think is that D is the least polar because it is symmetrical, and i think A is the most but I'm not
asked by Polarity 
Math
Adrienne had a party at a local bowling alley. She spent seventyfive dollars for the lane and five dollars per person for shoes. Let c be the total cost of the lane and shoes, and let f be the number of friends at her party. Write an equation to represent
asked by Mary 
Algebra
The sum of two numbers is 9. Four times the larger number plus three times the smaller number is 48. Find the numbers. Thank you
asked by Pam 
Math
I need help finding the greatest common factor between these two expressions 3u^3x^5y^8 and 21u^6x^5 I was thinking 7u^3y^8
asked by Cara 
math
The largest circular shape my pieced of string can form has a diameter 8 cm long. How long is the diameter of the largest circular shape that half my piece of string can form?
asked by Insimgia 
phy
Given three vectors a⃗ =−i⃗ −4j⃗ +2k⃗ , b⃗ =3i⃗ +2j⃗ −2k⃗ , c⃗ =2i⃗ −3j⃗ +k⃗ , calculate a⃗ ⋅(b⃗ ×c⃗ )
asked by samson 
math
In a Sing Thing, the first 4 singers sand song 1, the next 4 sand Song 2, and so forth. Song number 73 sang Song? A. 18 B. 19 C. 20 C. 73 I got 15 but I don't know.
asked by John 
MATH help please
Let R be the relation on ℤ+×ℤ+ defined by (a,b)R(c,d) if and only if a−2d=c−2b. (a) prove that R is an equivalence relation (b) list all elements of the equivalence class [(3,3)] (c) find an equivalence class that has exactly 271 elements. (d) is
asked by EXCEL 
math
What is 56 1/4% = in the simplest form. Give the step by step example to help me understand. Thanks....
asked by bella 
accounting
The charter of the corporation authorized 500,000 shares of $5 par common stock, and 50,000 shares of $40 par, 3%, preferred stock. As of January 1, 2014, there were 20,000 shares of common stock issued and outstanding and 4,000 shares of preferred stock
asked by Anonymous 
math
Subtract: 5/6  3/6 Write the answer in simplest form Choose the best answer from the options below: A 2/6 B 1/6 C 1/3 D 9/6
asked by asm 
life Orientation
Identify environmental issues that causes illhealth to community in south africa
asked by thabang segula 
physics
A man in a boat moving at constant speed of 60km/h relative to the shore throws an object in the forward direction with a speed of 30km/h. What is the speed of the object as measured by an observer at rest at the shore?
asked by samson 
math trigonometry
a post is 20 m high. the angle of elevation of top of a house which is in front of the post is 30° from its top and 45° from foot . Find the height of house and distance between them.
asked by nissan 
business
Write a 700 to 1,050word paper in which you practice identifying the critical first stage of developing any research study: •State the purpose of the business research for each article. •Determine the research questions and hypotheses being
asked by Anonymous 
Help plz👍😂
Hero in long way from Chicago book why
asked by Muhammad 
Chemistry
A 2.00g sample of Fe3O4 is reacted with with 8.00g of O2 to produce Fe2O3. a) What mass of Fe2O3 will be produced? b) What mass of Fe2O3 will actually be produced if the percentage yield for reaction is 85% produced?
asked by Paul 
cOLLEGE mAJORS
ACCOUNTING VS IT WHICH IS HARDER? WHICH IS EASIER?
asked by AJ 
math
1. Let f : Z to Z and g : Z to Z be functions de fined by f (x) = 3x + 1 and g(x) = [x/2] . (a) Is fog onetoone? Prove your answer. (b) Is fog onto? Prove your answer. (c) Is gof onetoone? Prove your answer. (d) Is gof onto? Prove your answer.
asked by Denial 
math
I ONLY NEED HELP WITH PART C I DID THE REST ON MY OWN plz help Shane drew 3 squares with each side equal to n units. For each square, he does something different to it according to each part below. Part A: Shane increased the length and width of the square
asked by Kemari 
English
3. Correct the following sentences for subjectverb agreement, tenses and fragments. i) My car it is very beautiful. ii) When he thought he could afford to pay his own school fees. iii) This students keep making noise. iv) When I was young, I use to love
asked by Nicole 
algebra
2x+3 divided by x=x+5divided by 2 2(2x+3)=x(x+5) 4x +6=x^+5 x^+5x44x6 x^+x6 (x1)(x+6) x1=0 x=1 x+6=0 x=6
asked by Kathy 
algebra
k+5=6divided byk k^+5k=6 k^+5k6 (k6)(k+1) k6=0 k=6 k+1=0 K=1
asked by Kathy 
Math
Please help me simplify 1. [[x^2y^2]^0]^100 2. 3^27/3^9
asked by Lesedi 
Grammar
You mustn't allow your frustration to interfere with your motivation," advised the Admission Counselor. 'Tech support is available to help", she then explained. Is that punctuated correctly
asked by Anonymous 
ENG1511
Correct the following for subjectverb agreement, tenses and fragments. 1.My car it is very beautiful. 2.When he thought he could afford to pay his own school fees. 3.This students keep making noise. 4.When I was young,I use to love playing with dolls.
asked by anonymus 
math lit, life science, geography and cat
Hi im a Matric learner and would really like to know what careers I could possibly look into with my subjects listed above Thank you
asked by Marcelle 
collge sydney
This flywheel has a mass moment of inertia of 0.2 kgm2 and rotates at 53500 RPM. Calculate the kinetic energy ?
asked by nader 
6th grade math
Mark has $4.40 nickels and dimes.he has thirteen more nickels than dimes. How many of each does he have?
asked by Anonymous 
Math (check answers)
I think its A, Select the mathematical sentence that is true. A. 2 • (8 – 5) + 3 < 7 + 3 • 2 B. 2 • (8 – 5) + 3 > 7 + 3 • 2 C. 2 • (8 – 5) + 3 = 7 + 3 • 2
asked by Matt 
discrete math ..please help
. Let A = {1,2,3,4}. Prove the statements (a) and (b). You must describe the relations on A as a subset of AxA and also draw their arrow diagrams. (a) There exists a relation R on A so that R is refexive, symmetric but not transitive. (b) There exists a
asked by Dosari 
Algebra
Simplify the expression 4 squared + 8 /2 My answer is 12
asked by Cole 
ramjas
the sum of the digit of a two digit number is 13 and the diffrence btween the number and that form by reversing the digit is 27, find the number...
asked by ashu 
math
i'm a four digit number having all the digits odd except 9 and the digits are in ascending order. who am i?
asked by suman 
Math
let f: ℤ→ ℤ and g: ℤ → ℤ be functions defined by f(x) = 3x + 1 and g(x) = _x/2_. (a) Is f o g onetoone? prove (b) is f o g unto? prove (c) Is g o f onetoone? (d) Is g o f unto? Thank you for your help.
asked by Anonymous 
Tech
__________ is one of the few major indicators for which the ratio of production between the U.S. and China reflects the ratio of population size. A. Bicycle production B. Meat consumption C. Automobile production D. Fertilizer use im confused between A and
asked by Amy 
physics
according to the statement given what is the magnitude of the velocity of the rock just before it strikes the ground
asked by Anonymous 
English
Please paraphrase this: “In my experience as both a learner and later a language practitioner, one has to have a drive that will obstinately motivate one to succeed against all odds.”
asked by Nicole 
algebra
1/3 + 5/s4=2 s4+15=2 s4=215 s=(215)+4 s= 13+4 a=9
asked by Kathy 
algebra
there is a radicand equation of 1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
asked by Kathy 
algebra
(5)x radicand equation 1/3x+4=10 there is an index of 3 (5)(1/3x+4) = 10^3 5/3x20=1,000 5/3x=980 5x=360 x=72
asked by Kathy 
Education/College
Do you believe that men and women develop in similar ways across the socioemotional domain in middle adulthood. I have read chapter 16 of my book but it is confusing me!
asked by Cathy 
math
I don't understand how to estimate then find the quotient my problem is 35÷955 would it be 40÷1000
asked by katerris 
fractions/math / Help!
I need help with a couple of questions 8 3/72 1/2 can u show the work and what and how to write the prime factorization of 93 and 425
asked by Rian 
Algebra
Simplify 5 squared 4 over 5 + 2
asked by Cole 
phy111
A man leaves the garrage in his house and drives to a neighbouring town which is twenty kilometres away from his house on sightseeing. He returns home to his garrage two hours after. What is his average velocity from home in km/h?
asked by samson 
Math
Please help Factorise fully 1. X^25x14 2. Ab^2+3b 3. A^38a^2+15a
asked by Lesedi 
algebra
n/4=n+1/3n n(3n)=4(n+1) 3n^=4n+4 3n^4n4=0 3(n^4n4) (n2)(n4)
asked by Kathy 
English analogy
Bell is to clapper as Checkers is to player Gong is to striker Food is to caterer Wire is to splitter catalog is to shopper
asked by matt 
help AGAIN
Curiosity is to explanation as sincerity is to: Encouragement Charisma Apology Investigation Trustworthiness Sometimes I don't understand the meanings even when I search it up.
asked by matt 
Math lol
Explain how 9 x 4 can help you find 9 x 8
asked by Britney Spears 
Math
2/5+(1/10)
asked by Anonymous 
english
One word for: segregation of feeling and development
asked by satyajeet 
algebra
1/3 +5/s4=2 s4/3(s4) +5(3)/3(s4)=2/3(s4) s4+15=2 s4+152=0 s4+13=0 s=9
asked by Kathy 
algebra
20/x^+4x=3/x+4+1/x 2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x4x6 x^+x6 (x+1)(x6)
asked by Kathy 
math
= ( 1 + 3) * ( 6  4 / 2)
asked by Angelica 
High School Physics
A car is moving at 20.0 m/s [N] when it begins to constantly accelerate to a final velocity of 10.0 m/s [E]. The magnitude of its displacement during this time is 1.50 x 10^2 m. How long did the acceleration last? I know that the answer is 13.4 s, but can
asked by Anonymous