Questions Asked on
July 16, 2016

Chemistry
0.110 M in formic acid and 5.5×10−2 M in hypochlorous acid . How to find pH
asked by Sandov 
Maths
In a box of chocolates, •onefifth are plain chocolate •onesixth are white chocolate •the other 38 are milk chocolate. How many chocolates are there in the box?
asked by Amy 
math
Jason is considering purchasing a new machine to make plastic silverware. The machine produces 1,000 pieces of silverware in two hours. One box contains 50 pieces of silverware and sells for $3.00. If the machine costs $9,000, and runs for 24 hours a day,
asked by mpho 
Physics
An object is located midway between the focal point and the center of a concave spherical mirror. Draw a ray diagram to locate its image. Is the image real or virtual, erect or inverted, magnified or reduced in size? Completely baffled by above question
asked by Anna 
CHECK MY ALGEBRA 2
Using the function g(x) = −2 2  x+ 4 and the initial value of 1.72, what is the loop that forms after many iterations? My answers are 2.24, 3.52, 0.96, 1.92, 3.84, 0.32, 0.64, 1.28, 2.56, and 2.88 I'm not exactly sure if this is correct because I feel
asked by Niklaus 
chemistry
Which is the more stable electron: that in a groundstate H atom or that in a groundstate He+ ion? Explain your choice.
asked by ben10 
Physics
A projectile leaves the ground at an angle of 60degree to the horizontal.it initial kinetic energy is E. Neglecting air resistance, it kinetic energy at the highest point of the motion is
asked by Emmanuel 
English
A topic sentence should be very long. 1. True 2. False Please recheck my answer. I say True
asked by Julie 
Grammar
Every paragraph should begin with a topic sentence. Is this True.
asked by Sam 
math
find the standard form of the complex number shown below 9(cos 11pi/6 + isin 11pi/6) a. 2/9  2(squareroot)3/9 i b. 4(squareroot)3/9 + 4/9 i c. 9/2  9(squareroot)3/2 i d. 9(squareroot)3/2  9/2 i e. 9(squareroot)3/4  9/4 i
asked by laura 
Java
Need help asap. You are given a list of students' names and their test scores. Design an algorithm that does the following: a. Calculates the average test scores. b. Determines and print the names of all the students whose test score is below the average
asked by Poohboi23 
statistics
A basketball player makes 60% of the free throws that he attempts, except that if he has just tried and missed a free throw then his chances of making a second one go down to only 30%. Suppose he has just been awarded two free throws. Find the probability
asked by john 
Chemistry HELP!!!
Which of the following contains the greatest number of particles? A) 4g of helium gas B) 4g of oxygen gas C) 4g of hydrogen gas D) 4g of water Why is the answer C? Pls explain to me clearly, thks!
asked by Cheezel Lim 
Maths
A bottle of ink was 2/3 full.When 7 pens were filled with ink from the bottle and 2 pens full of ink was poured into it, it was 1/4 full.How many pens can be filled with the full bottle of ink?
asked by Ajit 
algebra
1. The geometric mean between the first two terms in a geometric sequence is 32. If the third term is 4, find the first term. 2. Insert a geometric mean between k and 1/k. 3. If 2 and 3 are two geometric means between m and n, fond the values of m and n.
asked by sylvia 
English
All sentences in a paragraph must relate to the idea that the topic sentence in the paragraph introduces. 1.True 2. False I say true. Please recheck my answer.
asked by Julie 
math
find the trigonometric form of 1212(square root)3i a. 24(cos2pi/3 + isin 2pi/3) b. 24(cos4pi/3 + isin 4pi/3) c. 12(cos 4pi/3 + isin 4pi/3) d. 12(cos12pi/3 + isin 2pi/3) e. 12(squareroot) 2 (cos4pi/3 + isin 4pi/3)
asked by laura 
Math
Given that Force 1 = 70 pounds and Force 2 = 120 pounds , find the angle between the forces if the magnitude of the resultant force is 90 pounds . Round answer to the nearest degree. Hi steve, I asked this question earlier and you kindly helped me with it,
asked by oleg 
physic
A motorcycle racer traveling at 145 km/h loses control in a corner of the track and slides across the concrete surface. The combined mass of the rider and bike is 243 kg. The steel of the motorcycle rubs against the concrete road surface. (a) What is the
asked by hassan yousif 
Math
95 is the product of vidya's savings and 5
asked by Paul 
Chemistry
Marcela dissolves 80.0 g of ammonium nitrate in 50.0 mL of water at room temperature and notes that the temperature of the solution decreases by 5.0°C. Which correctly designates the signs of changes of G, S and H for this reaction?
asked by Damon 
pre cal
The vector u = 94300, 5200) gives the number of units of two models of laptops produced by a company. The vector v = (1800, 1200) gives the price in dollars of the two models of laptops, respectively. Identify the vector operation used to increase revenue
asked by jessica 
physic
The motorcycle and rider are sliding with the same acceleration as found in Problem 4. If the motor cycle and rider have been sliding for 4.55 s, what will be the force applied to the motorcycle and the rider when they strike the side barrier and come to
asked by hassan yousif 
Microsoft word
Elisa and Josh need to access General Help. Elisa will press the F1 key. Josh will click on ? in the upperright corner of the Word document. Who will access General Help? A. Neither Elisa nor Josh B. Only Elisa C. Both Elisa and Josh D. Only Josh my
asked by Daniela 
Physics
Find the maximum height and the time of flight of a body fired vertically up from the ground given that it loses 60 percent of its initial speed in rising 4.2m
asked by Aaz 
physics
The current a series circuit in 5A when an additional resistance of 2 ohm is inserted the current drops to 4A voltage remaining same the original resistance of the circuit is
asked by sumit dubey 
Singh
what is the total number of orbitals associated with principal quantum no. n =3
asked by gurpreet 
physic
Kirsten’s mass is 3.73 slugs. Being the physics fan that she is, she decides to see what her apparent weight will be during an elevator ride. Beginning at rest, the elevator accelerates upward at 4.50 ft/s2 for 3.00 s and then continues at a constant
asked by hassan yousif 
Math
Find the surface area of the right prism with the given features: A right triangle with legs of length 12 a base of length 9 and height equals 23.
asked by Jennifer 
maths
a rectangular courtyard is 57 cm 50 cm long and 22 m . determine the least possible number of square stones of the same size required to pave it.
asked by maths 
English Grammar
My English question asked if a topic sentence should be short or long.(true or false) I don't know how to answer this question. is this question false.
asked by Julie 
math
The average salary of four managers in a firm is BDT 500000 per annum.every year all ten supervisors of that firm are paid BDT 200000each.what is the overrall yearly salary drawn by them in BDT?
asked by Rashid 
Algebra 2
Is there a way you can input iterations and functions into a Ti84 graphing calculator because I have some iterations to complete but I'm not exactly sure if its correct and i want to check my work.
asked by Kole 
Calculus
A spherical balloon is being inflated.Let r(t)=3t can represents its radius at time t seconds and let g(r)=4/3 pie r be the volume of the same balloon if its radius is r.Write (g.r) in terms of t and describe what it represents.
asked by Anonymous 
Chemistry
A small section of a polymer chain, containing 10 repeating units, has a relative molecular mass of 625. Which of the following monomers could have polymerised to form this chain? ethylene viyl chloride styrene glucose
asked by Anonymous 
geography
sphere of influence in an organisation
asked by fulu 
math
find the trigonometric form of the complex number  (square root) 3 + i
asked by laura 
math
What is the difference between the mean and median of the first four prime numbers that are more than 4?
asked by tanu 
chemistry
what is activation energy?
asked by pat 
biology
Give two reasons why the pressure decreases as blood flows along the capillary bed.
asked by Scarleter 
math
20 red marbles cost $3 while 40 green marbles are available at$4.how much would it cost someone to buy 10red marbles and 50 green marbles?
asked by Rashid 
statistics
sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one
asked by nancy 
Math
Lenth of side of isosceles triangle is 10 cm and angle between them is 30 degree. Find the area of the triangle?
asked by Atreyee 
chemistry
a given sample of MgCl2 solution has 6×10^23 ions. what is the number of Cl(1) ions in the same solution?
asked by hassan 
Healthcare
What are some concerns in informatics? privacy and confidentiality protection of human subjects from potential misuse a and b there are no potential threats to anyone A?
asked by Anonymous 
computer ( theory )
A designer wishes to include some multimedia components on a web page. a) If the designer has some images stored in files, there are two possible formats for the files.. i) Describe the approach used if a graphic is stored in a vector graphic file ii)
asked by DAVID 
maths
I applied Gauss Jordan on a matric and result what i get is x+2y=3 y=0 z=free How to find three intersection points for this system? Kindly help
asked by Asfand 
math
two groups of students went into the shop. the first group bought four hot dogs and six juices and paid $71. The second group bought three hot dogs and seven juices and paid $67. What were the prices for these items?
asked by munyaradzi 
math
Thewhat is the difference between the mean and median of the first four prime numbers that are more than 4? The mean=9 and the median =11.so the ans should be 2.but in the answer sheet the ans is 0..how?
asked by tanu 
math
20 red marbles cost$3 while 40 marbels are available at$4.how much would it cost someone to buy 10 red marbles and 50 green marbles? 1.$3.50 2.$4.00 3.4.50 4.5.00 5.5.50
asked by tashi 
math
If x^211x+3x
asked by Rashid 
maths
If two matrices are known and are inverse of each other.How can we use these matrices to find the point of intersections for the given set of 3D planes? Kindly help
asked by Asfand 
numeracy
. A mine workers' transport vehicle can carry 36 workers. All workers need to be transported to the mine daily across a 90 minutes period: 6.308.00 in the morning, and 4.005.30 in the afternoon. The round trip takes 15 minutes. If 1134 workers need to be
asked by ngoc 
math
your report card comes out on the day the 8millionth second passes in the new (nonleap) year. what day is that?
asked by Anonymous 
HealthCare
Sexually transmitted diseases are not considered as indicators of limitations of health communication. True False Help?
asked by Anonymous