Friday
December 9, 2016

# Posts by Gabriel

Total # Posts: 132

Physics
A person makes a quantity of iced tea by mixing 668 g of hot tea (essentially water) with an equal mass of ice at its melting point. If the initial hot tea is at a temperature of 86?C, what are the (a) final temperature of the ice tea (in ?C) and (b) mass of the remaining ice...
November 14, 2016

Physics
In a calorimetry experiment, an object of mass M= 9.2 kg falls through a height of 35.5 m and, by means of a mechanical linkage, rotates a paddle wheel that stirs m= 0.92 kg of water. The water is initially at 20?C. What is the maximum possible temperature rise of the water...
November 14, 2016

maths
3x-2y=1 and 2x+y=-4
November 11, 2016

math
one of the angles of a triangle is 100 degree and the other two angles are equal. find each of the equal triangle
November 1, 2016

problem solving
Sandra is eight yrs younger than her brother mike. six yrs ago mike was three times old of Sandra. how old is mike? how old is Sandra?
October 12, 2016

Physics
An all-terrain vehicle of 4000 kg mass moves up a 13o slope at a constant velocity of 6.00 m/s. The rate of change of gravitational potential energy with time is
October 2, 2016

Science
A rock is held steady over a cliff and dropped. 1.1 seconds later, another rock is thrown straight down at a speed of 12.1 m/s, and hits the first rock. How far have the rocks dropped before they collide? How long is the first rock in the air before it gets hits by the second ...
September 19, 2016

Physics
You take 4 measurements of the mass of a ball: 2.96 kg, 3.32 kg, 3.31 kg, 3.17 kg. What is the uncertainty of the average mass to 95% confidence? CL=95% N=4 CC=1.84
September 17, 2016

American government
My best is D
August 22, 2016

American Government
caller of BS is right, you can't track IP's like that. Its also against the law in most states because its a violation of privacy. Also even if it was possible, most anti viruses have VPN hide codded in meaning the IP address is changed and hidden. Also what would you ...
August 21, 2016

Goverment
My best answer is A personally
August 17, 2016

Circulatory systems of animals transport nutrients to tissues. Which system of plants performs a similar function? starch granules xylem and phloem tubes stomata apical meristems plant hormone system
May 11, 2016

Math
What is the question to 3x5(5x6)?
April 4, 2016

5a-2b=14 , 2a+2b=14
Use the method of elimination to solve the following pairs of simultaneous equation 8y+4z=7 6y-8z=41
March 6, 2016

Math JW Faulk Elementary School
The area of the table top is 18 square feet the perimeter of the same table is 18 feet what are the dimensions of the table top
January 28, 2016

Physics
A fighter plane is directly over an anti aircraft gun at a time t=0. The plane has a speed of 600km/hr. A shell is fired from an anti aircraft gun at the time t=0, in order to hit the plane. The muzzle velocity V is 1100m/s. Determine the distance the gun should be aimed ahead...
January 20, 2016

Match
Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why? THANK YOU!
November 18, 2015

algebra
Paving cost is \$10.30 per square yard. find the total cost of paving the shaded area in figure 27-21. Round the answers to nearest ten dollars. 170'-0" Radius 92'0 is the degrees 256'-0" is the shaded area The sum total is 14780 please help
November 13, 2015

math
1,337,676
August 31, 2015

English
Write a story which ends with "when i woked up, it was all a dream".
August 11, 2015

social studies
@teacher You ain't a teacher, otherwise you would have a somewhat good grip on Spelling and Grammar
April 7, 2015

Math
Nat has 5 pieces of string. Each piece is 7/8 inch long. How many inches of string does Nat have?
March 18, 2015

HEALTH
The correct anwsers are B C A D
November 14, 2014

Math
What would be the inequality in terms of p.
October 12, 2014

Math
A store selling art supplies finds that they can sell x sketch pads each week at a price of p dollars each, according to the formula x = 2100 - 300p. What price should they charge if they want to sell at least 600 pads each week? (First use the formula to write an inequality ...
October 12, 2014

Math
A woman has a total of \$10,000 to invest. She invests part of the money in an account that pays 6% per year and the rest in an account that pays 9% per year. If the interest earned in the first year is \$750, how much did she invest in each account?
September 30, 2014

Math
Travis has a total of \$6,000 invested in two accounts. The total amount of interest he earns from the accounts in the first year is \$420. If one account pays 6% per year and the other pays 9% per year, how much did he invest in each account?
September 30, 2014

Math
A woman owns a small, cash-only business in a state that requires her to charge 6% sales tax on each item she sells. At the beginning of the day, she has \$290 in the cash register. At the end of the day, she has \$1200 in the register. How much money should she send to the ...
September 30, 2014

Math
Every item in the Just a Dollar store is priced at \$1.00. When Mary Jo opens the store, there is \$127.00 in the cash register. When she counts the money in the cash register at the end of the day, the total is \$1,055.80. If the sales tax rate is 8%, how many items were sold ...
September 30, 2014

Math
The third angle in an isosceles triangle is 116° more than twice as large as each of the two base angles. Find the measure of each angle.
September 30, 2014

chemistry
If 125 cal of heat is applied to a 60.0-g piece of copper at 23.0∘C , what will the final temperature be? The specific heat of copper is 0.0920 cal/(g⋅∘C) .
September 15, 2014

math
Find the total surface area of the right cylinder. H= 12 and r = 7
May 27, 2014

science
Ms:Sue is starting to get very questionable on her help because all of her work seems that she gets work wrong
May 5, 2014

Math
My pattern is 509, 517, 525, 533, 541. What is the place value to describe how the numbers change?
April 2, 2014

Python programming Language
Hello, plz hav bin lookin for an answer to dis question too.. Am a student studying software engineering in india, plz mail me if you got any answer plz forward to cooproton@gmail .. Thanx, I'ld really appreciate it
December 27, 2013

Math. Explanation Needed
You know that 600 x 10 is 600,so you know that 621 divided by 59 quorum is going to be more then 10 because 621 is greater than 600.
October 17, 2013

what did Wegener think happened to the supercontinent
September 16, 2013

MATH
cHIANG HAD 12 APPLES. SHE GAVE 5 OF HER FRIENDS 1/6 OF THE APPLES. HOW MANY DID EACH FRIEND GET.
April 10, 2013

2 AND1/4 APPLES
April 9, 2013

Math
Write the following decimals as fractions and find the Quotients. 4.5 divided by 0.9= 0.6 divided by 0.12= 1.2 divided by 0.5= 22.5 divided by 0.5= 0.18 divided by 0.03=
March 11, 2013

Precalculus
Suppose daily operating profit, in dollars, for a movie theater is a function of the number of tickets sold with the rule P(x)=8.5x-2,500, for 0≤x≤1,000. a) Explain why the profit function has an inverse b) P(400)=900. Rewrite this equation in terms of P^-1. c) ...
February 10, 2013

Physics super difficult for me
Two small balls each of mass 15g are fastened to the ends of silk threads 1m long each and hung from a common point. They attain equilibrium at a distance of 20cm from each other. If one ball has a charge of -0.6microC, what is the charge of the other ball?
January 28, 2013

Chemistry
physical chemist
January 18, 2013

ok,i will just try it myself so that i can understand it.. thanks..
January 18, 2013

aah ok.. thanks a lot!!!;)
January 18, 2013

i know how to get the vertex and all the other stuff, i just don't understand where did you get 5?
January 18, 2013

where did you get 5?
January 18, 2013

A rectangular garden is made at the side of the house. Part of the house forms one side of the fencing and divided into four equal plots. If 90m of fencing is available, determine the dimensions for the entire garden that will produce a maximum area. how can i come up with a ...
January 18, 2013

Algebra
not sure though.. because sometimes i'm making mistakes in radicals...
January 18, 2013

Algebra
1. 0.45 2. 4sqt5 +9 3. -6sqt10 -75 4. 13sqt3 + 7sqt30
January 18, 2013

science/evolution
All lifeforms on Earth have a common system. ??
January 18, 2013

Maths
For logarithms, if asked to write in simplest form, is it better to write the argument in radical form or exponential form.
January 12, 2013

English
Is it: It is what it is; it was what it was. or It is what it is, it was what it was.
December 19, 2012

social studies
To what extent do consumers in advanced nations have an effect on the labour issues in developing countries? I know that advanced nations do have an effect, but I need to write an essay on this question and I will need to provide evidence and cite my sources to explain myself...
December 17, 2012

physics
1,600 Jaules
December 17, 2012

Physics A
C I B A I !
November 21, 2012

math
What is 7% of 360? How do I figure it out
October 18, 2012

math help
Write a translation rule that maps point D(7, –3) onto point D'(2, 5).
October 9, 2012

chemistry
if 27 grams of ice at 0 degrees celsius is added to 123 grams of water at 100 degrees celsius in an insulated container, calculate the final temperature. assume specific heat of water is 4.184 J/K g
October 4, 2012

math
reason which is greater the greatest whole number with 05 digits or the least whole number with 06 digits
September 19, 2012

Math
the inverse function is: do it yourself before asking ok (;
September 6, 2012

math
what is the answer to 1+5-100-(356+5475)=
May 26, 2012

Math
Pauline jogs at 5 1/3 miles per hour for 1 5/6 hours. about how many miles has she walked?
April 2, 2012

MATH
THERE ARE 20 PAGES IN JAMAL BOOK HE READ 1/5 OF THE BOOK HOW MANY PAGES DID HE READ
March 21, 2012

MATH
12 DOGS IN THE PARK 2 OF THEM WERE DAMATIANS WHAT FRACTIONS WERE DALMATIANS
March 21, 2012

math
a piano has 88 keys.show with numbers the probability of hitting a particular key if you shut your eyes and strike a key.
March 12, 2012

Math
Bhu had \$48, but received \$100 as a birthday gift and used the money to pay off her debt. She spent half of the money on a gift for herself. Which expression BEST represents the number of dollars Bhu has left? a.(-48+100)÷2 b.(48+100)÷2 c.-48+100÷2 d.2(48...
February 26, 2012

math
week 1 3 miles week 2 7 miles week 3 11 miles week 4 15 miles sophia predicted that jhon will run 32 miles during 9th week. use words symbols or numbers to explain wether sophia's prediction is correct
January 2, 2012

algebra
Mellissa receive three times as many points as janice. how to write that expression
January 2, 2012

10th geometry
A tabletop represents a plane. Examine the combination of points and lines that hold each tabletop in place. Removing one point or line would cause the tabletop to wobble or fall. In geometry, we say that these combinations of points and lines determine a plane. For each photo...
November 11, 2011

10th geometry
21 and 22, find the lengths xand y. (Every angle on each block is a right angle.)
November 11, 2011

Statistics
The speed of limit on a particular freewayis 65mph. A radar system revealed that the actual speed of traffic is approximately normally dostributed with the average of 68mph and standard deviation of 4mph. What proportion of cars exceed the speed limit
October 10, 2011

english[proffesional writting]
what benefits do students get from being fit and healthy?
September 6, 2011

science
write down ten balanced equations
July 20, 2011

chemistry
calculate for weak acid with ph 0,1M of CH3COOH (K=1,8*10-5)
June 12, 2011

chemistry
calculate for strong electrolyte the ph of 0,1M pf HNO3
June 12, 2011

chemistry
calculate the molar concentration of substance in a solution containing 5,85g of Nacl2 in 200cm cube solution
June 12, 2011

Math
i got a cd for \$4000 that earns 5% interest, compounded quartely if the cd matures in 4 years how much money will be available
March 28, 2011

algebra 2
7/x+5/x-3
March 16, 2011

Biology: Why do cells divide?
cells must divide since cells need to be small in order to function right and to make new cells
February 13, 2011

calculus - INTEGRATION
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant it is 64 feet above the ground. a. How many seconds after its release will the bag strike the ground? b. At what velocity will it hit the ground?
February 2, 2011

calculus - integration
answer is 7.1m ... i just don't know how to get there
February 1, 2011

calculus - integration
A baseball is thrown upward from a height of 2m with an initial velocity of 10m/s. Determine its maximum height. S(0) = 2m S'(0) = 10m/s S'(t) = -32t + 10 S(t) = -16t^2 + 10t + 2 I know that if you equal s(t) = 0 you get time, but how do I get maximum height? Thanx in ...
February 1, 2011

calculus - applied problems
Max area - A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area if the total perimeter is 16 feet. - - - - - --------- ! ! ^ !<-x/2->! y --------- <---x--->
January 31, 2011

calculus - applied problems
Max area - A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area if the total perimeter is 16 feet. - - - - - --------- ! ! ^ !<-x/2->! y --------- <---x--->
January 31, 2011

English
January 28, 2011

geomitry
the first angle of a triangle is complementry to the third angle. the second angle is 16 degrees less than five times the first angle. find the measure of the largest angle of the triangle.
January 20, 2011

physics
Use T= 2pi(sqrt(m/k)) Solve for k .010966277
October 28, 2010

language and arts
i have a hard time in languages and arts
October 26, 2010

hare will have traveled 21 miles from haretown before he meets with tortoise who traveled 6 miles from tortoiseville.
September 16, 2010

How fast were they walking to cover the 200 and a half mile?
September 15, 2010

algebra
solve 2x^2 = 9x. round to the nearest tenth. a)x = 0 or x = -4.5 b)x = 4.5 c)x = 1.5 or x = 3 d)x = 0 or x = 4.5 i think the answer is d but i could be wrong
June 8, 2010

algebra
which quadratic formula would be used to solve the following quadratic equation? 4x^2 - 5x = -2 can you show me the correct answer and how do it please
June 8, 2010

Chemistry
A gas occupies a 1.5 liter container at 250C and 2.0 atmospheres. If the gas is transferred to a 3.0 liter container at the same temperature, what will be the new pressure?
May 24, 2010

Shanne and Kate are preparing to go on long car trips with their families. Shane bought 8 books and 2 CDs for \$73.50. Kates bought 3 books and 4 CDs for \$69.95. Both totals were without tax. All of the nooks were the same price and all of the CDs cost the same. How much did a ...
May 4, 2010

Quan is shopping. He can buy 2 pairs of pants and 1 shirt for \$79.85 ( before tax is added). He can but 1 pair of pants and 2 shirt for \$69.85 (before tax is added). To figure out how much a shirt or a pair of pants costs,you must first identify the variables. What are the ...
May 4, 2010

Chemistry
Never-mind decided just to use a table of pKa values. By the way the NaAc formed wouldn't be 0.00056 it would be 0.00024 because you can only make as much product as your limiting reagent allows (in this case OH- ions) I seriously tried using these numbers a ton of times ...
May 2, 2010

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