Wes
Popular questions and responses by Wes
Chemistry
If one assumes the volumes are additive, what is the concentration, in mol/L, of NO3− in a solution obtained by mixing 263 mL of 0.167 M KNO3, 311 mL of 0.404 M Mg(NO3)2, and 713 mL of H2O?
asked on October 8, 2014 
Math
A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles. What is the probability that you choose a blue marble and then another blue marble, assuming you replace the first marble?
asked on September 1, 2017 
chemistry
What is the maximum mass of TiCl4 that can be obtained from 79.0 g TiO2, 37.9 g Cl2 and excess carbon? Please show all your steps. 3 TiO2(s) + 6 Cl2 + 4 C(s) > 3 TiCl4(g) + 2 CO2(g) + 2 CO(g) Molar Masses:TiO279.88, Cl270.90, TiCl4189.68
asked on October 3, 2014 
Prealgebra
David must choose a number between 49 and 95 that is a multiple of 4, 6, and 8. Write all the numbers that he could choose. If there is more than one number, separate them with commas.
asked on February 7, 2014 
Physics  Tension
Two blocks are connected by a string and are pulled vertically upward by a force of 165 N applied to the upper block. (here is a rough diagram) ^ (F=165 N) I [block] (
asked on February 19, 2013 
math
A rocket is launch from the top of an 40 foot cliff with an initial velocity of 140 feet per second, the height h of the rocket after t seconds is given by the equation h=16t^2+140t+40. How long after the rocket is launch will be 30 feet from the ground?
asked on November 26, 2013 
math
a jar contains 5 blue marbles, 8 red marbles,4 white marbles,and 3 purple marbles. suppose you pick a marble at random not looking. what is the chance of getting a red marble
asked on October 20, 2013 
communications
similarities and differences between writing routine and positive messages, negative messages, and persuasive messages. Recall the importance of the three step writing process and incorporate this process into your presentation. What is a routine message?
asked on November 6, 2007 
Math
Favorite Summer Activity for 50 Children Reading Sports Swimming TOTAL Boys 2 20 8 30 Girls 4 7 9 20 TOTAL 6 27 17 50 P(Boy if favorite activity is swimming) 0.26 P(Girl if favorite activity is sports) 0.45 P(Girl if favorite activity is reading) 0.20
asked on September 5, 2017 
Biology
Which of the following is NOT a function of a vacuole? a) packaging of materials *** b) transport of materials c) storage of materials d) breakdown of materials
asked on August 28, 2017 
American Government
Creating a task force to implement regulations about making medicines safe for citizens is an example of what? (1 point) a) judicial power b) executive power c) legislative power *** d) military power
asked on August 11, 2017 
Algebra
A ball is thrown into the air with an upward velocity of 26 feet per second. Its height, h, in feet after t seconds is given by the function h(t) = –16t^2 + 26t + 5. a. How long does it take the ball to reach its maximum height? Round to the nearest
asked on February 13, 2017 
chemistry
what is the reaction between potassium chloride and bromine?
asked on October 19, 2016 
Chemistry
What is the maximum mass of TiCl4 that can be obtained from 79.0 g TiO2, 37.9 g Cl2 and excess carbon? Please show all your steps. 3 TiO2(s) + 6 Cl2 + 4 C(s) > 3 TiCl4(g) + 2 CO2(g) + 2 CO(g) Molar Masses:TiO279.88, Cl270.90, TiCl4189.68
asked on October 3, 2014 
physics
You throw a ball with a mass of 182.2 g, with a speed of 4.6 m/s. Calculate the kinetic energy in Joules to 3 s.f. , and what is the uncertainty C=1 (Unsure: 67%) C=3 (Quite sure: >80%)?
asked on May 25, 2014 
Physics
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes releases his fruit and throws an orange straight down at 28 m/s. Both pieces of fruit hit the ground simultaneously. Calculate the
asked on February 2, 2013 
trig
How do you express in terms of angles less than 90 degrees? sin 120 degrees cos 150 degrees tan 280 degrees
asked on April 22, 2010 
math
A bag contains 20 marbles: 9 red, 5 blue, 3 green, and 3 yellow. A marble will be drawn from the bag and replaced 50 times. What is a reasonable prediction for the number of times a green or yellow marble will be drawn?
asked on December 9, 2019 
Math
A fishing boat leaves port at 12 miles per hour at a bearing of 70∘ for 5 hours, then turns to a bearing of 130∘ at 9 miles per hour for 5 hours, and finally changes to a bearing of 50∘ at 9 miles per hour for 2 hours. At this point, the boat heads
asked on November 11, 2018 
Math
Jimmy opens a savings account with a $210 deposit at the beginning of the month. The account earns 5% annual interest compounded monthly. At the beginning of each subsequent month, Jimmy deposits an additional $210. How much will the account be worth at
asked on November 11, 2018 
English
If I diagram two sentences and the diagrams look different, are the sentence structures different? Also would that mean my sentence is free from plagiarism?
asked on March 2, 2018 
English
I know I'm asking a lot of questions about plagiarism but I'm nervous lol. If I diagram two sentences and they don't look the same I might be free from plagiarism right? Like the two sentences I asked about earlier. From the source Parents often want to
asked on March 1, 2018 
English
Ok if the source said Parents often want to consult with doctors over the phone in off hours to determine if a child needs to be seen. and I wrote Parents may call pediatricians after hours to see if they should bring in their child. Is that plagiarism.
asked on March 1, 2018 
ENGlish
Can you help me rephrase this sentence so that there is no plagiarism. Some residents must relocate for a position.
asked on February 28, 2018 
English
Thank you for your help but I have one more question about those sentences. On the plagiarism website, it says it’s plagiarism if it has the same sentence structure. In some residents must relocate for a position and the pediatrician may have to move to
asked on February 27, 2018 
English
If the source says some residents must relocate for a position and I wrote the pediatrician may have to move to find a job. Is that plagiarism
asked on February 27, 2018 
9th Grade Biology
If you see a word that ends in ase, it is probably an _________, and if a word ends in ose it is a __ ____________. There are no answer choices and this is on my homework assignment...
asked on August 22, 2017 
Honors American Government
A country has elections every other year to elect representatives. The people running for office all belong to the same political party. Would this type of government be considered more like a democracy or more like a dictatorship? a) It would be
asked on August 10, 2017 
Algebra
Welp, my last post I wrote wrong and everyone was answering it wrong... my bad Here are the questions: (3√6 +5√10)^2 y = √6x18 I couldn't figure out how to solve them, and I looked up online and here are the answers. I just need to be able to solve
asked on March 13, 2017 
Algebra 1
I know the answers, I just don't know how to solve it and show my work. 1. (3√6 + 5√10)^2  286 + 60√15 2. (2 + √10)(2  √10)  6 3. y = √6x18  x (greater then or equal to) 3 Thank you
asked on March 13, 2017 
GA State History
7. appropriations and higher education are examples of what type of committee A. standing ** B. ad hoc C. conference D. interim study 10. if a bill goes to committee hoq can the committee kill the bill without asking for the General Assembly to vote on it
asked on January 26, 2017 
physics
Anne flies due east from san Francisco to Washington dc a displacement of 5600 km. She then flies from Washington to Boston a displacement of 900 km at an angle of 55 degrees east of north. What is Anne's total displacement?
asked on October 19, 2016 
physics
van can swim 3.0 m/s in still water. while trying to swim directly across a river from west to east, van is pulled by a current flowing southward at 2.0 m/s. what is the magnitude of van's resultant velocity?
asked on October 19, 2016 
calculus
a mass m is projected vertically upward with an initial velocity u. the air resistance is given as kv^2. the mass returns to point of projection with velocity v0. prove terminal velocity is given by vT=uv0/sqrt(u^2v0^2). Hint distances travelled upwards
asked on April 6, 2016 
Land Law
The application of constructive trust in Stack v Dowden represent a more restrictive approach compared to the old law. Discuss.
asked on October 8, 2015 
Science
Patrick and Spongebob love to blow bubbles! The ads claim that Super Bubble soap will produce bubbles that are twice as big as regular bubble solution. Sample is made with 5 oz of Super Bubble soap and 5 oz of water, while the other is made with the same
asked on August 31, 2015 
Accounting
During 2015, the assets of Hilyer's Crematorium rose by $47,000 and its liabilities rose by $40,000. No additional investments were made. Assuming net income for the period is $12,000, what was the amount of withdrawals in 2015? I feel like I'm missing
asked on June 29, 2015 
Calculus
Differentiate: y = (x^2 + 8x +3)^3
asked on January 31, 2015 
physics
A thin rod (uniform density & thickness) has mass M and length L. It is attached to the floor at a fixed location by a frictionless hinge. The rod start at rest, balanced vertically on its hinge end. ______________________________________ 1) While
asked on November 24, 2014 
Math
[R] = [4/5 3/5] and [S] = [3/5 4/5] [3/5 4/5] and [4/5 3/5] are reflection matrices. Calculate [R·S] and verify that it can be identified as the matrix of rotation. Determine the angle of the rotation.
asked on October 17, 2014 
Calculus
Find all values of a and b so that the following function is continuous for all x ∈ R. f(x) = −3a + 4x^5(b) x ≤ −1 ax − 2b −1 < x < 1 3x^2 − bx + a x ≥ 1
asked on October 14, 2014 
Chemisty
A 1.91g sample of a mixture of AgNO3 and NaNO3 is treated with excess Na2S(aq). The precipitate is filtered off, dried and weighed. The dried precipitate weighs 0.44 g. What is the percentage by mass of NaNO3 in the original mixture? I know I have to
asked on October 8, 2014 
Chemistry
An aqueous stock solution is 85.0% H2SO4 by mass and its density is 1.83 g/mL. What volume of this solution is required to make 1.00 L of 1.35 mol/L H2SO4(aq)? Give your answer in millilitres, accurate to three significant figures.
asked on September 30, 2014 
math
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from
asked on September 28, 2014 
Physics
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from
asked on September 28, 2014 
Physics
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from
asked on September 28, 2014 
Physics
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from
asked on September 27, 2014 
Math
For the given point and line, find by projection the point on the line that is closest to the given point and use perp to find the distance from the point to the line. P (3,5) line: x = (2,4)+t(3,4)
asked on September 25, 2014 
college physics
A horizontal spring with a spring constant k = 322 N/m is uncompressed from a length of 1.4 cm back to its unstretched length. Calculate the change in potential energy in Joules to 2 s.f.
asked on June 7, 2014 
college physics
You shoot a 57 gram dart vertically upwards from a catapult with a spring constant of 379 N/m. The catapult is initially stretched from the equilibrium point by 30 cm. What is the height above the starting point reached by the dart? Ignore air resistance
asked on June 7, 2014 
college physics
A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres. What is the change in gravitational potential energy? Give your answer in Joules, to 2 significant figures.
asked on May 26, 2014 
college physics
What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero
asked on May 26, 2014 
physics
You drop a ball, mass 127.5 grams from a height of 83.0 cm. It bounces back to a height of 50.5 from the floor. What is the change in gravitational potential energy from the moment it is dropped, to the moment it reaches the maximum height from the bounce?
asked on May 25, 2014 
math
find the next 5 numbers in the pattern. 1 6 12 17 34 39 78
asked on February 13, 2014 
Math
Find a value that satisfies the inequality 0.7
asked on January 30, 2014 
Math
A 10FOOT LADDER IS PLACED AGAINST A VERTICAL WALL OF A BUILDING, WITH THE BOTTOM OF THE LADDER STANDING ON LEVEL GROUND 6 FEET FROM THE BASE OF THE BUILDING. How HIGH UP THE WALL DOES THE LADDER REACH?
asked on November 30, 2013 
chemistry
Calculate the pH of the following solutions. (A) 0.95 NaOH (B) 9.9x10^10 M NaOH (C) 6.7 M NaOH
asked on May 4, 2013 
physics
A rock is dropped from a treetop 19.6 m high, and then, 1.00 s later, a second rock is thrown down. With what initial velocity must the second rock be thrown if it is to reach the ground at the same time as the first? I'm not sure how to find the initial
asked on February 10, 2013 
Physics
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes releases his fruit and throws an orange straight down at 28 m/s. Both pieces of fruit hit the ground simultaneously. Calculate the
asked on February 2, 2013 
Physics
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes releases his fruit and throws an orange straight down at 28 m/s. Both pieces of fruit hit the ground simultaneously. Calculate the
asked on February 2, 2013 
math
I borrowed money from Joe. I spent 5.50 of it on lunch, and half of the rest on a present. To repay Joe, I borrowed 10.00 from Fred. If i started and ended with no money, how much did I borrow from Joe?
asked on December 17, 2012 
physics
A car accelerates at a constant rate from zero to 37.8 m/s in 10 seconds and then slows to 13.5 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s2 during the 15 seconds?
asked on October 6, 2011 
Math  Calculus
A 13 foot ladder is sliding down a vertical wall at 1 ft/sec. How fast is the base of this ladder moving on a horizontal ground after 5 seconds?
asked on May 22, 2011 
entrepreneur
Describe how the owner uses capital and human resources to ensure revenue or control cost
asked on September 3, 2010 
Math
How do you express in terms of angles less than 90 degrees? sin 120 degrees cos 150 degrees tan 280 degrees
asked on April 22, 2010 
math word problem
How many different committees of 4 people each can you select from a group of 10 people?
asked on April 22, 2010 
math
Simplify: y(y+5)
asked on April 20, 2010 
Physics
It is summertime and two boys cannot wait for winter. one boy exerts a 70 N horizontal force as he pushes his 58 ig friend on a snowboard across a cement sidewalk at a constant speed. what is the coefficient of kinetic between the sidewalk and the
asked on April 12, 2010 
Math
A mail handler needs 3 hours to sort the mail, but with an assistant, it takes 2 hours. How long would it take the assistant to sort the mail working alone?
asked on January 11, 2010 
Ap Chemistry Organic
How does polairty of isopropyl alcohol differ from polarity of water?
asked on October 15, 2008 
Chemistry
CO + 2*H2 > CH3OH How many moles of each reactant are needed to produce 3.60 x 10^2g CH3OH? I appreciate anyone who helps me with this. Also, please say the steps on how you got your answer. Balance the equation. I think it is balanced. Convert 360 g
asked on February 6, 2007

Math
breaking apart
posted on March 31, 2020 
Math(Physics)
ever find out the answer?
posted on March 4, 2020 
chemistry
5.01kj 5.33kj 10kj
posted on September 10, 2019 
geometry math algebra
gay
posted on May 2, 2019 
Math
I tried these interest equations as well as many others for continuous deposits, but nothing works.
posted on November 11, 2018 
Math
for my final vector, the distance between the final position and the port I did = (104.64 mi)/(9 mi/hr) = 11.62692857 hours (this is correct) But i can't get the bearing on the way back. I tried tan^1(3.17/104.64), and a dot b = abcos(x), nothing
posted on November 11, 2018 
Math
oop i meant interest
posted on November 11, 2018 
English
Also I cited my sources for the sentences
posted on March 2, 2018 
English
Ok thanks!
posted on March 1, 2018 
English
So I just checked everything online again, and just to be sure there is no plagiarism in my sentences because it is a paraphrase right?
posted on March 1, 2018 
English
Yes, I read the links, and I have cited the sentence in my paper. However, the sentences seem too similar to me because it says not to have the same sentence structures.
posted on March 1, 2018 
ENGlish
Thank you! :)
posted on February 28, 2018 
ENGlish
Thank you for your help! I am so nervous about plagiarism.
posted on February 28, 2018 
ENGlish
I know you answered this question yesterday, but the sentence I made is free from plagiarism right? The pediatrician may have to move to find a spot.
posted on February 28, 2018 
English
Ok and one more question. Is the sentence structure the same? Because my English teaches will count it as plagiarism if the two are similar
posted on February 27, 2018 
Geometry Probability
There was a wordbank, steve
posted on September 6, 2017 
Algebra help pls
Hmm, Im not exactly sure, but I think that your answer is correct.
posted on September 6, 2017 
Algebra help pls
I know the second one was a fraction, and sure, Ill check another
posted on September 6, 2017 
Algebra help pls
The first one is correct, but the second one is not. Hint: Take x/3, substitute x for a number, then simplify.
posted on September 6, 2017 
Math
Thanks, also can you help me with 1 more? A standard deck of playing cards contains 52 cards, equally divided among four suits (hearts, diamonds, clubs, and spades). Each suit has the cards 2 through 10, as well as a jack, a queen, a king, and an ace. If
posted on September 1, 2017 
Math
A) 1 24 B) 1 16 C) 1 2 D) ** 3 4
posted on September 1, 2017 
9th Grade Biology
Wait, the suffix ose isn't in there...
posted on August 22, 2017 
9th Grade Biology
Thanks Mrs. Sue!
posted on August 22, 2017 
Honors American Government
Can you check one more answer of mine, please? In which way does a dictatorship differ from a democracy? a) In a dictatorship, the power is help by one person and political party *** b) Leaders in a dictatorship are always democratically elected c)
posted on August 10, 2017 
Honors American Government
Ok, @Writeacher. Thanks for the info. After reading that, I have changed my answer to B.
posted on August 10, 2017 
Algebra
Steve, I wrote the problems incorrectly, so no, I can't
posted on March 13, 2017 
Algebra 1
Fail. It wrote it wrong. These are the problems: (3√6 + 5√10)^2 y = √6x18 I solved the second one. Here are my answers, I just need to know how to solve: 286 + 60√15 x (greater than or equal to) 3
posted on March 13, 2017 
Algebra
I have this h(13/16). I can not get the steps of the problem to solve and get the correct answer of 0.81 seconds. The maximum ball's height to the answer 15.56 feet. I need help please.
posted on February 13, 2017 
chemistry
so what id the chemical equation?
posted on October 19, 2016