Saturday
February 13, 2016

Posts by ally

Total # Posts: 344

math
a bathtub is being filled at a rate of 2.5 galons per minute.the bathtub will hold 20 gallons of water how long will it take to fill the bathtub?
February 9, 2016

Question About my Essay
Hi again, I was wondering about a paragraph in my Informal Essay & wasn't sure if what I had used was correct. Which of the following sentences is correct for an essay??? 1) According to matadornetwork (dot) com, we should have plenty of new pieces of technology in the ...
January 27, 2016

Check my Essay Plz?!
k thnx bobpursley... & u 2 dave
January 25, 2016

Check my Essay Plz?!
thnx... anything that needs 2 b fixed?
January 25, 2016

Check my Essay Plz?!
Ok this is an 8th Grade Language Arts essay: Informal Essay. "Take a humorous approach in your essay" is part of the instructions but I'm not sure if the essay isn't funny at all... or if it looks like I was trying too hard to be funny. Plz take a look & let ...
January 25, 2016

Math Plz Correct Me!!
Is 4/5 and 36/50 form a proportion
January 12, 2016

science please help
Im sorry, I don't get what you're saying.
December 7, 2015

science please help
Help please. According to the following diagram, approximately how much time goes by between phase H and phase B? explain your answer.
December 7, 2015

Math
How would I simplify it? 1/3 (3^2 x 3^-3)
October 14, 2015

Math
Find two consecutive even integers such that the sum of the larger and 3 times the smaller is 234. I don't get how to put it as in equation.
October 12, 2015

Math
The sum of four consecutive even integers is the same as the least of the integers. Find the integers. Help please!
October 8, 2015

Math
The sum of four consecutive even integers is the same as the least of the integers. Find the integers. I'm not sure how to solve it and put it in an equation!
October 8, 2015

math
A recipe calls for 4 cups of flour to make a dozen cookies. How many cups of flour would be needed for 54 cookies?
September 23, 2015

math
A recipe calls for 4 cups of flour to make a dozen cookies. How many cups of flour would be needed for 54 cookies?
September 23, 2015

Math
well start by representing your trucks and cars as variables we'll use x for trucks since you are using them to figure out the number of cars and y for the number of cars so... x= # of trucks y= # of cars now how are they related? well, there are 5 times as many cars as ...
September 15, 2015

Math
get x by itself What can you do to 5 to get it to the other side? Then how do you make 9x into x, what's the opposite operation (hint: 9x is the same as saying 9*x or 9 multiplied by x). What's the opposite operation of multiplication then?
September 15, 2015

algebra l
Try to get s by itself doing inverse operations. Just also know that you can solve for a variable in terms of another variable. Like, in this case s in terms of r So, ask yourself. How would you get 4r to the other side of the equation so s is all by itself.
September 15, 2015

Math
Here are some equations that might help you circumference = diameter * pi diameter = 2 * radius area = 2 * radius * pi pi = 3.14159264......
September 15, 2015

Math
Try comparing the fractions with common denominators 45/60 = 3/4 and 44/60 = 11/15 You can also find out what their decimals are and figure out a fraction that has a decimal in between them .75 = 3/4 and .73333333333...= 11/15
September 15, 2015

science
Calculate the oxidation numbers for each one Elements all by themselves have an oxidation state of 0 Oxidation states for metals is usually the same as when they are an ion For elements such as oxygen and hydrogen, their oxidation numbers correspond to the number of electrons ...
September 7, 2015

Chemistry
Try converting everything into moles and comparing what you started with and what you ended up with. That'll help you figure out the ratio between the products and reactants. This in turn will help you determine how to write out the balanced chemical equation that you can ...
September 7, 2015

Government
How do the European Union (EU) and United States (US) differ? Question 2 options: a)Location. b)The EU remains a confederation whereas the US is a federation. c) EU governance is based on treaties whereas the US is based on a constitution. d)Members of the EU were sovereign ...
September 7, 2015

Math
Try to set it up as a proportion where you use 4 people = 3 cups as one part of the equality and the other with 12 people = x cups
September 7, 2015

AP Chemistry
For the reaction NH3+? O2 →? NO+? H2O , what is the maximum amount of NO (30.0061 g/mol) which could be formed from 3.79 g of NH3 (17.0305 g/mol) and 18.63 g of O2 (31.9988 g/mol)? Answer in units of g -My first thought was to balance the equation, but I have no idea ...
September 7, 2015

Math
A carpenter is assigned the job of expanding a rectangular deck where the width is one-fourth the length. The length of the deck is to be expanded by 10 feet, and the width by 6 feet. If the area of the new rectangular deck is 128 ft^2 larger than the area of the original deck...
July 17, 2015

Science
A 13.0 kg block of concrete rests on a 5 cm by 2 cm board. What is the acceleration of the block of concrete here on Earth?
June 3, 2015

Science
A spherical object made of stone is dropped into a container of water and sinks to the bottoms of the container causing 30N of water to spill out. What is the estimated gravitational force of the object?
May 23, 2015

Science
A 13.0 kg block of concrete rests on a 5 cm by 2 cm board. What is the acceleration of the block of concrete here on Earth?
May 22, 2015

Math Please Help
Eliminate the parameter and sketch the curve. x=cos(theta) , y=cos^2(theta) + 8cos(theta)
May 20, 2015

Math
Remove the xy-term by rotation of axes, reduce the resulting equation to standard form and trace the curve on the new axes: 13x^2-10xy+13y^2=72
May 18, 2015

geometry
What is the cross section of a cylinder if it's cut perpendicular to the base? It's either a rectangle or a circle but I'm not sure.
May 13, 2015

chemistry
Can aluminum (Al) react with K2SO4 by single replacement to yield products? Using the activity series chart, I know that K is more reactive than Al so does that mean that a reaction will occur or not?
April 27, 2015

math
Chad has a rope that is 9 yards long. How many pieces of rope measuring of a yard can he divide his rope into?
April 19, 2015

Chemistry
Is PbI2 soluble in water or not? Following the solubility rules for ionic compounds, salts containing Pb are insoluble and iodide salts are soluble, so can it be both?
April 17, 2015

algebra
I solved for y and got y = ±√(x+4) for the inverse, the given equation was y=x^2-4 not y = x^2 + 4 but your explanation helped understand why the inverse is not a function, thank you!
March 31, 2015

algebra
State if the inverse of y=x^2-4 is a function. So, I got y= squareroot of x+4 I'm don't think it's a function because of even roots, but I'm not sure
March 31, 2015

spanish
I appreciate that, thank you
March 29, 2015

spanish
In the sentence:"Hay muchas historias sobre dónde y cuándo Piña coladas fueron encontrar," is fueron correct? or do I use eran instead?
March 29, 2015

chemistry
I'm adding these three atomic weights (40.1+12.0+48.0) together, and I got 100.1 How can I round my answer to three significant figures? thank you!
March 21, 2015

Computer Science
You try to run the CHKDSK utility from a command prompt but you keep getting an error message that you need to run it in Elevated Mode. How do you correct this? Reboot the computer in SAFE Mode and then run CHKDSK from a command prompt. Open command prompt from the Windows ...
March 12, 2015

Factories
What are some working conditions in factories today? Please help Thank you:)
March 12, 2015

chemistry
that makes sense, thank you!
March 11, 2015

chemistry
how many molecules are in 5.5 moles of oxygen gas? How many atoms are in this quantity of gas? I used dimensional analysis and did: 5.5 mol. of oxygen x 6.02x10^23 molecules/1 mol of oxygen I got 3.3x^24 molecules of oxygen How do I find the # of atoms? I know that there are 2...
March 11, 2015

Math
18 students in a class play baseball. 17 students in the class play basketball. 30 students in the class play either or both sports. Select the vend diagram that shows the number of students who play basketball and baseball. A. Baseball 13 (5) 12 basketball B. Baseball 13 (6) ...
March 10, 2015

English- AP Lit
Thank you!
March 9, 2015

English- AP Lit
My class is doing an essay on dracula and I need help with a thesis statement. This is the topic I chose: Issue of Trust & Sharing of Knowledge-Is there ever a time when it is better to be kept/keep others in ignorance? How does this connect to the idea of establishing and ...
March 9, 2015

Chemistry
Thank you DrBob222 for your help I get it now!
March 9, 2015

Chemistry
Is there anyway you could explain further?
March 9, 2015

Chemistry
What volume of oxygen gas is needed to react completely with 0.677 L of carbon monoxide gas (CO) to form gaseous carbon dioxide? Assume all volume measurements are made at the same temperature and pressure. Thanks in advance for all help!!
March 9, 2015

Algebra
For your first question the answer is... 15,16.5,18,19.5 because the first number is 15 and you can add 1.5 to each of the values to get the next value. For your second question the answer is either the top or the bottom depending on how you are using the ratio.
March 9, 2015

chemistry
What volume of oxygen gas can be collected at 1.26 atm pressure and 2.00◦C when 39.7 g of KClO3 decompose by heating, according to the following equation? 2 KClO3(s) ∆/MnO2 −−−−→ 2 KCl(s) + 3 O2(g) Answer in units of L.
March 9, 2015

Art
B?
March 9, 2015

Art
1. Realists reacted to the industrial revolution by creating what types of paintings? A. Images of the wealthy B. Images of the middle class C. Images of soldiers D. Images of despair D?
March 9, 2015

Art
Valley of the shadow of death by Roget Fenton 1. How does roger Fenton use visual composition in valley of the shadow of death to depict the loss of war? A. Cannonballs in a barren landscape hint at powerful destruction B. Cannonballs are a reminder of a victorious battle C. ...
March 9, 2015

ela
okay, how do I know where to put commas?
March 5, 2015

ela
I have to write a sentence with a polysyndenton sentence structure; is this an example of one? ex: I was stressed because the teacher inundated me with many projects and homework and classwork and materials
March 5, 2015

math
At a school camp, 30% of the students were boys. When 87 students left the camp after the second day, half the original number of boys were left behind, and the number of girls decreased by 20%. How many girls were at the camp in the beginning?
March 5, 2015

Introduction to Computers
What is a limiting factor of EFS when compared to BitLocker?
February 23, 2015

spanish
replace the underlined objects with the correct object pronoun . be sure to use se when it is required 1/ ayer mi mama compro un lapiz para mi
February 15, 2015

Math
What is an equation of the line, in point-slope form, that passes through the given point and has the given slope? a. y-9=4/9(x+3) b. y-9+4/9(x-3) c. y+3=4/9(x-9) d. y-3=4/9(x-9)
January 21, 2015

Math
The function f(x)=x^2. The graph of g(x) is f(x) translated to the right 3 units and down 3 units. What is the function rule for g(x)? I honestly have no idea how to this… An example or helping me get through the problem would be great :) Thank you so much :)
January 19, 2015

Math
Matthew used 1/5 of a box of flour for cooking and ¾ of the remainder to make bread. The rest of the flour was packed equally into 5 containers. What fraction of the total amount of flour was in each container?
January 15, 2015

English
ohhh that makes so much more sense!!!
January 15, 2015

English
For number 1 I can select all of them… and number 2 thats what I thought… would it be b?
January 15, 2015

English
I have two questions for english that I honestly don't know… I put what I think it is but I think its completely wrong… 1. Which of the following is a possible setting for works of American literary realism? Check all that apply. a. American West* b. post-Civil ...
January 15, 2015

Physics
A 0.340 kg block on a vertical spring with a spring constant of 4.09 × 103 N/m is pushed downward, compressing the spring 0.0700 m. When released, the block leaves the spring and travels upward vertically. The acceleration of gravity is 9.81 m/s2 . How high does it rise ...
December 10, 2014

Chemistry
Hi: Thank you for helping me. I realized this after posting. I found that Hf is 5.7kj/mol and I know that the Hf known is 6.02kj/mol. 316.43*.001*18.02=5.70kj/mol I found that 5.70/6.02= 94.7% <--Can you check if I did this correctly?
November 19, 2014

Chemistry
UPDATE: I got 352.49J/g. I need help figuring Hf in (kj/mol).
November 19, 2014

Chemistry
I need help calculating Heat of fusion for a calorimeter experiment: I know that Q(melt): 8350.46 J, m(ice): 26.39g and m(hot water): 51.93g. Please help me set it up. Hf known is 6.02kj/mol. Answer is in J/g(ice).
November 19, 2014

science
I dropped marbles down from the same height for an experiment, but why don't they land in the same location?
November 13, 2014

Spanish
I want to say, I liked reuniting with my relatives, is it "me gustó reunirme con mis parientes" or is it "...reunirse con mis parientes"?
November 11, 2014

Spanish
How do I say, "I learned to bargain?" Is this correct, yo aprendí regatear?
November 10, 2014

math
where is the 36 from?
October 18, 2014

math
Question: Two physics students built a model rocket for a class project. Once the rocket is launched, its height in feet, h(t), can be found using the height function h(t) = -16t² + 96t where t represents time in seconds.Find the time when the rocket finally hits the ...
October 18, 2014

math
I'm wonder if im correct? Two physics students built a model rocket for a class project. Once the rocket is launched, its height in feet, h(t), can be found using the height function h(t) = -16t² + 96t where t represents time in seconds my work: 0=-16t^2+96t = -16t(t-...
October 18, 2014

Math
Is this right? 0 > -2
September 10, 2014

Science
A classmate states that igneous rock must always become a sedimentary rock next, according to the rock cycle. Explain why this is not correct.
September 9, 2014

Math
Ok so... -4 (2 +8) = (-4 • 2) + (-4 •N) What would N be?
September 7, 2014

Engineering
Phase diagram for soil Mechanics?
August 29, 2014

math
yes
August 25, 2014

Chemistry
KNO3 solubility at 80 C is 180g/100g KNO3 solubility at 50 C is 78g/100g
July 28, 2014

Chemistry
100g of a saturated solution of KNO3 was cooled from 80 degrees to 50 degrees. What mass of KNO3 would be expected to crystallise out of the solution?
July 28, 2014

statistics
A graph representing the distribution of the oral temperatures of 50 healthy adult males (selected at random) would best be described as?
June 15, 2014

Calculus
In First principles there is usually a part that states as lim approaches 0. Now I came across a question where the limit was as 1 approaches 3. what should I do?
May 20, 2014

Calculus
A circular oilspill is spreading such that the radius is increasing at 0.5 metres per minute. Find the rate of increase of the are of the oil spill when the radius is 10m.
May 20, 2014

Calculus
a meteorite slams into the earths crust and penetrates d=(1200t-36000t^2)m in t seconds after impact. What is the maximum depth of penetration?
May 20, 2014

Calculus
a rectangular storage area is to be constructed along the sides of a tall building. A security fence is required along the three remaining sides of the area. What is the maximum area that can be enclosed with 1000m fencing?
May 20, 2014

Calculus 1
Ok thanks I don't quite get it but I will follow your steps and Draw the diagram :)
May 20, 2014

Calculus 1
@ Steve I don't completely understand I want to knowhow we got to that answer/
May 20, 2014

Calculus 1
a rectangular storage area is to be constructed along the sides of a tall building. A security fence is required along the three remaining sides of the area. What is the maximum area that can be enclosed with 1000m fencing?
May 20, 2014

precalculus
How many solutions will the following systems of equations have? x^2+y^2=10 x+y=4 a. infinite b. 0 c. 1 d. 2 I'm thinking A. but I just want to make sure. If you have an answer that is different could you possibly show me how you got it, it would really help me prepare for...
May 14, 2014

math
(0,0); m=2
April 25, 2014

Chemistry
A 0.160-g sample of unknown metal (X) reacts with hydrochloric acid to produce 66.5 mL of "wet" gas at 20 °C and 754 mm Hg. What is the unknown metal (X)? (The vapor pressure of water at 20 °C is 18 mm Hg. Help please?
April 23, 2014

chemistry
Helpful steps? Calculate the predicted atomic radius for potassium, K, given the atomic radius of rubidium, Rb, (0.247 nm) and cesium, Cs, (0.265 nm).
April 23, 2014

Chemistry
Help please: A 0.199-g sample of unknown metal (X) reacts with hydrochloric acid to produce 88.5 mL of "wet" gas at 20 °C and 754 mm Hg. What is the unknown metal (X)? (The vapor pressure of water at 20 °C is 18 mm Hg.) X(s) + 2 HCl(aq) → XCl2(aq) + H2(...
April 17, 2014

Chemistry
How many nonbonding electron pairs are in an oxygen molecule? I drew it but im unsure if Im correct in saying it has 2 nonbonding electron pairs.
April 17, 2014

Chemistry
corrections for the data 1.00 atm 150 mL 1.15 atm 130 mL 1.36 atm 110 mL 1.67 atm 90 mL 2.14 atm 70 mL 3.00 atm 50 mL
April 17, 2014

Chemistry
How would I graph this: (I dont understand the whole with [1/volume] (units=1/mL) on the X-axis ) According to Boyle's Law, pressure is inversely proportional to volume, so prepare a graph of the data, with [1/volume] (units=1/mL) on the X-axis and pressure (atm) on the Y-...
April 17, 2014

chemistry
A sample of hydrogen chloride gas occupies 0.550L at STP. What is the pressure in atm if the volume is 7.50×10−2L at 20∘C?
April 14, 2014

Science Help PLEASE!!
I only need #1 now. . .
March 11, 2014

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