Saturday
August 27, 2016

Posts by Leo

Total # Posts: 506

math
If 2 workers takes 15 hours to make 3 fireplaces, how long 5 workers takes to make 4 fireplaces ?
August 26, 2016

Chemistry
For the reaction, calculate how many grams of the product form when 3.2 g of Mg completely reacts. Assume that there is more than enough of the other reactant. 2Mg(s)+O2(g)→2MgO(s)
July 17, 2016

math
What do you think the answer is, and why?
June 26, 2016

GEOMETRY
Can you please show work for your homework questions? We don't just do the homework for you. Unfortunately, if you keep posting homework questions with no work, we will need to ban you from posting additional questions.
June 26, 2016

math
Do you know where to get started on this problem? Any work to show?
June 26, 2016

Physics
A boy throws a ball off the top of a 30m high building with a speed of 10m/s at an angle of 30 degrees to the horizontal. How far from the base of the building does the ball strike? I broke in up into 2 dimensional: X horizontal values: Xi=0 Xf=? Vi=8.6m/s. Vf=? a=0 Y vertical...
June 11, 2016

science
Do you have any guesses as to why this may be the case?
June 11, 2016

Chemistry Homework
Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister contains 2.45dL of white gas, and the density of the gas is 0.720g/cm3, what is the mass of the fuel in kilograms? So Volume=2.45dL(10L/1dL)=24.5L(1000/1)=24500cm^3 D=m/v--> ...
June 3, 2016

math plz help ;-;
Assuming that the cone is completely filled with ice cream, which of the following equations below could be used to calculate the total volume of ice cream in the cone (before you start eating it!)? On top of the cone is 18 as the bottom is 26. A.V=π(9)^2(26)+(4/3)π(...
June 1, 2016

math plz help ;-;
A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The triangle is an acute...
June 1, 2016

math plz help ;-;
What is the equation of the line containing the two points (-4, 8) and (1, -7)? A.y=-3x B.y=3x+4 C.-3y=x-4 D.y=-3x-4 I need help with this Q i dont understand it can anyone show me step by step ;-; sorry
June 1, 2016

math plz help ;-;
Determine the x-coordinate of the solution of the system of equations below. You may use any method: 2x-y=10 x+y=2 Determine the y-coordinate of the solution for the system of equations. You may use any method. 2x-y=10 x+y=2 Plz help i really don't understand these two Q ...
June 1, 2016

math plz check ;-; sorry
oh ok, i also have another Q sorry ^^; do you have to find the same thing that equals to the Q?
May 31, 2016

math plz check ;-; sorry
wait so 47 dosent change? Sorry to ask ^^;
May 31, 2016

math plz check ;-; sorry
A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The triangle is an acute...
May 31, 2016

math plz check ;-;
A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The triangle is an acute...
May 31, 2016

math plz check ;-;
Order the following solids from least (1) to greatest (3) volumes. A rectangular pyramid whose base has an area of 60 in2 and whose height is 10 in. third A rectangular prism with a length of 6 in, a width of 5 in, and a height of 10 in. first A right cylinder with a diameter ...
May 31, 2016

math plz help ;-;
What is the y-coordinate of the y-intercept of the linear equation 2x - 3y = 12? Plz help I don't understand how to do this can you show me step by step plz, sorry ;-;
May 31, 2016

math plz help ;-;
What is the equation of the line containing the two points (-4, 8) and (1, -7)? a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is correct. My answer is c ^^;
May 31, 2016

math plz check ;-;
i just noticed that the Q was wrong sorry i meant to put this one, I'm so sorry What is the equation of the line containing the two points (-4, 8) and (1, -7)?
May 31, 2016

math plz check ;-;
Choose the correct graph for the linear equation 2x - 3y = 12. a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is correct. My answer is c ^^;
May 31, 2016

math plz help ;-;
oh okay but hold on when you got rid of the parentheses did you get 6 because 3*2=6? sorry if I'm wrong ^^;
May 30, 2016

math plz help ;-;
Solve the following equation: -2(x-3)+4=8x-20 please help me how to do this step by step plz i do understand how to do this, sorry ;-; And thank you for the ones the helped me with the other Q :D
May 30, 2016

math plz help ;-;
1. Solve the system by any method: 2x-5y=-1 2x-y=1 How many solutions does the system of equations below have? Explain your answer. y=3/5x-1 y=6/10x+3 plz help me ;-; i dont understand how to do this, sorry ;-;
May 30, 2016

Math help ;-;
oh ok now I see thank you so much Ms.Sue :D
May 24, 2016

Math help ;-;
wait, how did you get 36? ^^;
May 24, 2016

Math help ;-;
Solve the equation. Check your answer. 5x-4(x+9)=2x-3 can anyone help me how to do this plz ;-; sorry
May 24, 2016

HELP GRAMMAR ;-; PLZ CHECK IM SORRY ^^;
oh sorry the two top ones were B ^^;
May 24, 2016

HELP GRAMMAR ;-; PLZ CHECK IM SORRY ^^;
The first person in the door was she. A.Object of a preposition B.Predicate Nominative C.subject D.direct object The reporter shook hands with the winner and then gave the trophy to her. A.Predicate Nominative B.subject C.Object of a preposition D.direct object The most ...
May 24, 2016

grammar help /;-;/ plz check
or I mean that C would be the answer to the Q xP sorry
May 23, 2016

grammar help /;-;/ plz check
oh yeah I forgot to say that i also had another thought that C would be incorrect as well because I dont really think that No and sir doesnt need the comma btween them that a comma should be at the end of sir :D
May 23, 2016

grammar help /;-;/ plz check
okay :)
May 23, 2016

grammar help /;-;/ plz check
Which sentence contains an error in the use of end marks or commas? A.In the garden were rows, and rows of peas, beans, carrots and radishes. B.A wind, nervous colt was bucking and refusing to enter the trailer. C.The book, in my humble opinion, seemed a bit lengthy. D.Nicole...
May 23, 2016

grammar check PLZ HELP ;-;
oh sorry ^^;
May 23, 2016

grammar check PLZ HELP ;-;
what I meant that I had a feeling that it was a D because on 315 Elm St it shows that it has a period and then a comma wouldn't that be incorrect?
May 23, 2016

grammar check PLZ HELP ;-;
I have a feeling its D for the first Q ^^;
May 23, 2016

grammar check PLZ HELP ;-;
Oh yeah, I forgot to add another Q ^^; A.Walker, an expert on radar, will be here for about 90 minutes. B.After his tour of duty ends he intends to work for Science Pathways Corp. C.I met him last summer in Pensacola, and we have kept in touch by writing letters. D.Lt.Walker ...
May 23, 2016

grammar check PLZ HELP ;-;
Which sentence contains an error in the use of end marks or commas? A.Miss K.C. Fairchild will lead the band in a Sousa march. B. Mom, what does B.C. mean? C.Dr. and Mrs. Majeck will attend the party on March,12,2007. D. Address inquiries to Ella Adams, 315 Elm St., St. ...
May 23, 2016

grammar check PLZ HELP ;-;
Okay, thank you :D your awesome!!!
May 23, 2016

grammar check PLZ HELP ;-;
ok so it's not D or A so is it B?
May 23, 2016

grammar check PLZ HELP ;-;
Which sentence contains an item that is either incorrectly italicized or should be italicized? A. On the ship's deck was women reading a novel called (Mystery at Sea). B. He painted the seaplane blue and named it "Kingfisher." C. In (Newsweek), I read an article ...
May 23, 2016

GRAMMER HELP plz check ;-;
is it Mystery at sea because on my notes it says that novels should have a quotation mark? :D
May 23, 2016

GRAMMER HELP plz check ;-;
oh, so is it A for the first one?
May 23, 2016

GRAMMER HELP plz check ;-;
sorry ^^;
May 23, 2016

GRAMMER HELP plz check ;-;
Which sentence contains an item that is either incorrectly italicized or should be italicized? A. On the ship's deck was women reading a novel called (Mystery at Sea). B. He painted the seaplane blue and named it "Kingfisher." C. In (Newsweek), I read an article ...
May 23, 2016

GRAMMER HELP plz check ;-;
Which sentence contains an item that is either incorrectly italicized or should be italicized? A. On the ship's deck was women reading a novel called (Mystery at Sea). B. He painted the seaplane blue and named it "Kingfisher." C. In (Newsweek), I read an article ...
May 23, 2016

GRAMMER HELP plz check ;-;
Which sentence contains an item that is either incorrectly in quotation marks or that should be in quotation marks? A.Read the chapter titled The Hidden Life of Molecules. B.Why did you call the painting Wildlife Number 57? C.A busload of children was singing "Jungle ...
May 23, 2016

GRAMMER HELP plz check ;-;
ok thank you, sorry to bother you ^^;
May 23, 2016

GRAMMER HELP plz check ;-;
"You have the answers in the back of the book," he said, "so you should check every answer." A.The period belongs outside of the quotation marks. B. (So) should be capitalized. C. Delete the comma after the word book. D. No revision is necessary. Im ...
May 23, 2016

english (grammer) HELP!!!
oh okay :D The second one seems to fit right as well the third one, but the fourth one I'm guessing it's (has)^^;
May 23, 2016

english (grammer) HELP!!!
ok, the first one I can see that it's right because there's more than one boy so it's (their) right?
May 23, 2016

english (grammer) HELP!!!
Oh, sorry to ask but can you check my answers for this Q ^^; Each of the boys had prepared (his,their) remarks well. Crammed into the backpack (is,are) all of Meg's textbooks. Neither the child nor his parents (eat,eats) broccoli. Many of the trees (has, have) started to ...
May 23, 2016

english (grammer) HELP!!!
Oh, okay! Thank you Ms.Sue :D
May 23, 2016

english (grammer) HELP!!!
oh, wait i also have a Q! Do you use this (') when someone is repeating what someone else said like letter A? Because Im also thinking that one is incorrect ^^;
May 23, 2016

english (grammer) HELP!!!
Identify the sentcence that is not punctuated correctly. A. "Did she say 'no more tickets will be sold'?" Ben wondered. B. Lucy begged,"Just don't say, "Lets do lunch,"please!" C."Why did he call you 'bug' just then? Is ...
May 23, 2016

Computer science
Does the first red image show up on pageload? If not, then you know the problem is not with the JavaScript.
April 26, 2016

Data management
A security code consists of either five or six different letters. How many distinct security codes are possible ANS:173659200
April 11, 2016

Math
The answer would be C? Correct?
March 10, 2016

Math
Yes it is the same. Would I take the 12 percent and multiply it by the $7.82?
March 10, 2016

Math
Ok. How would I do the question? That's what's confusing me. Am I multiplying something to get my answer?
March 10, 2016

Math
Ignore question #1, #2 and #4 I just solved them myself but number 3 is confusing me... Help?
March 10, 2016

Math
Im stuck on these multiply choice questions for math. Please help. It's due tomorrow!! Question 1- Bob received a credit card statement that has a new balance of $786.75 and a minimum payment of $25.60. Bob makes only the minimum payment. He makes no other purchases. What ...
March 10, 2016

Physics
so rad/sec is better than time/rev?
February 29, 2016

Physics
If it takes an object 68 seconds to make 16 rotations, what would be the period of rotation? T=16/68 Is this right?
February 29, 2016

halp
3. What are the solutions of the system? y = x + 5 y = x^2 - x + 2 A. (3,14) and (-1,0) B. (3,8) and (-1,4) C. (3,8) and (-1,0) D. (-3,2) and (1,6) 4. What are the solutions of the system? y = x^2 - 2x - 8 y = x + 2 A. (5,7) and (-2,0) B. (5,3) and (-2,4) C. (-5,-3) and (2,4) ...
February 28, 2016

trigonometry
what is the smalliest positive anglecoterminal of -61 degrees,501,632,1024,-350,721,-0.5 and 512 degrees?
February 11, 2016

maths
during a week a student spends 1/5 of her time in bed,1/8 of her time doing home work and 2/5 of her time in lessons.What fraction of her time is left for doing other things?
February 8, 2016

Calculus
What is the first derivative of the following function: f(x) = a^(-bx)? (I am lost with this question)
January 24, 2016

math
At the local bank, 60% of the employees have 2 or more children. There are 240 employees that have fewer than 2 children. How many employees does the&...
January 18, 2016

physics
Did the car accelerate to 30 miles per second? That is quite a fast car! The formula for average acceleration is (change in velocity) divided by (change in time). I hope this helps.
December 31, 2015

Math
Do you have any work to show for this problem?
December 30, 2015

quantitative techniques
This question appears to be incomplete. Can you retype the question in its entirety?
December 29, 2015

Computer science
Can you show any work on how you would get started with this problem? Where are you getting stuck?
December 29, 2015

Math
If you setup algebra equations for this problem, you can solve for the equations and get their ages. Do you know what the algebra would look like?
December 29, 2015

Math (missing diagram)
I believe there is a missing diagram which we need to respond to this question.
December 17, 2015

Biology
After mitosis, the cell divides into two new cells. This process is called cytokinesis.
December 13, 2015

english
Hint: First letter in chocolate Second letter in cake Most common letter in "time table"
December 12, 2015

math
Algebraic representations of the sulfuric acid solutions would be: .23A = S .15B = S .18C = S
December 12, 2015

Biology
By "wird" do you mean "word"?
December 12, 2015

math
The algebra for this would be: 15a + 6.5c = 27700 where a is the number of adults and c is the number of children.
December 12, 2015

Math
Pythagorean must always be capitalized as it is a proper noun. What is the equation for the Pythagorean theorem, also know as the Pythagorean equation? Once you have this equation, you should be able to solve this problem.
December 12, 2015

Chemistry
When a 10 g sample of copper oxide is reduced by heating in the presence of carbon monoxide, how many moles of copper are formed?
November 24, 2015

Math
Please show your work. Let me know where you are getting stuck or confused.
November 17, 2015

Math
If T is the age of Tony, and P is the age of Pete, then: Tony is 2/3 of Pete T = P * (2/3) Tony is four years younger than Pete P - T = 4 Can you solve for T and P using these equations?
November 17, 2015

Economics (Net Present Value
Approximately 14 million Americans are addicted to drugs and alcohol. The federal government estimates that these addicts cost the U.S. economy $300 billion in medical expenses and lost productivity. Despite the enormous potential market, many biotech companies have shied away...
September 7, 2015

Math
So a carton has 500 boxes, a box has 20 packages, a package has 10 pencil. 500*20*10=....
August 30, 2015

chemisrty
CBDCAABBCDAACBDCBCAB
August 24, 2015

calculus
find the minimum and maximum points of the curve y=x^4-4x^3+4x^2
August 18, 2015

Calculus
a triangle has base of 1.6 inches and an altitude of 8 inches. find the dimensions of the largest rectangle that can be inscribed in the triangle if the base of the rectangle coincides with the base of the triangle.
August 12, 2015

sTATISTICS
Lol, what aforementioned events?
June 12, 2015

English plz help quick
than what is it
May 21, 2015

English plz help quick
i think it is personification is that right ms Sue
May 21, 2015

English plz help quick
what literary term is this and why. I think the world is a series of broken dams and floods.
May 21, 2015

english
i think so
May 21, 2015

english
does this sentence show antithesis The humor almost always proves painful
May 21, 2015

Science
1.If the current (in amps) remains the same, but the voltage increases, what effect does this have on the power (in watts) consumed by some device? 2.How is the dimension of time different from the dimensions defining space?
May 11, 2015

English
in lord of the flies my character is Simon. I'm writing my concluding sentence and I can't quite figure out how to end it Simon is the most unique character in the novel. with his kindness and independent personality he is............ plz help finish
May 4, 2015

history
why did Britain have any control over Canada (1930s)
April 19, 2015

history
I have two ideas which one would be more creative 1. school in the middle what connects it is parents students government communities etc 2. student in the middle the student hangs out with friends does homework learn play sports etc.
March 31, 2015

history
it's basically all stems connecting to a spot I'm trying to get a a++
March 31, 2015

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