Posts by jaz
Total # Posts: 151

math
Grandmother is 3 years younger than grandfather. Nine years ago, the sum of their ages was 105. How old are they? 
chemistry
its whats in our bodies 
math algebra
Fill in the missing numbers to complete the linear equation that gives the rule for this table. x y 2 22 3 33 4 44 5 55 y = x + Submit 
thermodynamic
If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. please help. thanks 
Lesson 9: Energy and the Environment Unit Test
same 
U.s History
Thaznks 
Science
This is Jeffs bonus...its a bunch of bs 
Math (please check my answer)
Congrats bro. 
algebra
How come half the questions posted in here don't even get answered? 
Chemistry
When I push on my refrigerator, there is a force acting on it that wasn't there before. That means it should be experiencing an unbalanced force and begin to move. Why doesn't it? 
science
When I push on my refrigerator, there is a force acting on it that wasn't there before. That means it should be experiencing an unbalanced force and begin to move. Why doesn't it? 
Alegebra
The answer is 244,140,625 
Alegebra
Can I ask how you got 60? 
Language Art
You should add more info about the story you are reading if you expect to get any proper help. 
math
Great job you guys! what a help! next time don't argue its a waste of time and immature. get real! 
History
I think it is D because the British forced more taxes on them causing the "no taxation without representation" statement. 
maths
in the fig ab = ad and ac=ae. prove that bc=de 
chemistry
DNA is approximately 2.5nm in length. IF an average man is 5ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man. 
history (presidents)
Which of the following lists of presidents is in correct chronological order? A. Roosevelt/Taft/Arthur/Wilson/Grant B. McKinley/Roosevelt/Johnson/Buchanan/Cleveland C. Jefferson/Monroe/Taylor/Harrison/Harding D. Coolidge/Hoover/Adams/Reagan/Lincoln E. Washington/Clinton/Bush/... 
Statistic
A statistic instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weighed the bags.They weighed 10.4, 10.9 , 10.8, and 9.9 pounds.assume that the distribution of the weights is normal. Find a 95% confidence interval for the mean weight of all bags ... 
physics
A ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed relative to the shore? 
math
10  9 = 1 1 + 19 = 20 20  3 = 17 17  12 = 5 The floor they will end up on should be number 5. 
Math
The price of an electric fan increased by 25% to $48.75. Find the original price of the fan. 
Math
Your parents took your family to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner was $42.00. What should be paid to the waiter as a tip. 
writing
Come on guys, yeah she doesn't give you the answers straight away but she also isn't an ass. She's helped me get to a lot of the right answers and helps me make sure I know what on earth I'm doing. 
english
How important of a factor does money play in the lives and happiness of individuals? is this sentence grammatically correct? 
Physics
1. The mass of Kerry and the sledge together is 40 kg. Sam pushes with a force of 50 N for 4 s. a. What is the value of the quantity: (force x time) during which the force acts? 50 x 4 = 200 b. So what is the increased momentum of Kerry and the sledge? c. What speed does Sam ... 
Math
Please help solve and explain it, thank you. 1. Juan, Steve and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy? 2. 
American History
Which of the following was John Rolfe's chief contribution to Virginia's economy A. His alliance with the Powhatan through his marriage to Pocahontas B. His invention of a better way to grow shortstaple cotton C. His innovations in cultivating tobacco D. His ... 
math
a student is painting one wall of a room. a square window is located in the middle of the wall to be painted. the window measures 3 feet on one side. the area of the wall, not including the window, is 80ft squared. find the height of the wall to the nearest tenth. 
math
can u please help me with this math problem. i don't get how to do this question. Mrs. Mabie has a rectangle swimming pool that measures 25 feet by 14 feet. She wants to have a cement walkway installed around the perimeter of the pool. The combined area of the pool and ... 
Government US
Which statement best describes the introduction of an argumentative essay? 
alg2/trig
Which expression is defined for all real numbers? a) x + 3/x^2 b) 5/(x + 2)^2 c)4/(x − 2)^2 d)7/x^2 + 3 
geometry
Find the length of a side of a square whose perimeter and area have the same value. help? perimeter of a square is P=4s & the area of a square is A=s^2 
anatomy'
disease is an unhealthy state of a. organ system b.the entire body c. an organ d.all are true 
math
solve the absolute value problem : 3x+4x+5=10 
Basic Statistics
Q1. A population has a mean of µ = 80 with σ = 20. a. If a single score is randomly selected from this population, how much distance, on average, should you find between the score and the population mean? b. If a sample of n = 4 scores is randomly selected from this... 
MATH
hhhhhhhhhhhhhhh 
HHS
YES 
HHS
What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol? 
English
what news of julilet does Romeos servant Balthasar bring? 
math
Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet. The total cost of the... 
spanish
C.sacarlos 
physics
The force shown in the figure below is the net eastward force acting on a ball. The force starts rising at t=0.020 s, falls back to zero at t=0.062 s, and reaches a maximum force of 55 N at the peak. Determine with an error no bigger than 25% (high or low) the magnitude of the... 
stats
A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of that survey.) The ... 
math help
A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of that survey.) The ... 
Algebra
Damon, Thanks for your help. Appreciate it. 
Algebra
Explain why x^2 +5x + 8 is prime(not factorable) How do you know? Give 2 examples of a prime polynomial(can't be both binomials) Give 2 examples of polynomials that are not prime(they can't be both binomials),factor them,explain what you did to factor them. How would ... 
algebra
Thankyou Damon 
Environmental Science
microorganisms can't break down plastics because... I'm stuck between a) plastics are made from oil d) plastics don't occur in nature. Both of them are true, but I'm not sure which is the most true. 
communication
When someone weighs their response to a health issue that they are confronting, knowing that they need to go to one healthcare facility or another for treatment, or, one physician or another for care...........what impact does reputation and word of mouth have on the direction... 
communication
within the workplace.......let's try to apply the health belief model to that environment......when you have a mix of cultures and socioeconomic status and perspectives.......how difficult is it to get folks to 'move' together? How much should each person change in... 
summoner's tale
what is funny about the summoner's tale 
spanish 2
How do you say ways to get around in spanish and directions around the city 
spanish 2
how do you say start, beginning, end, stay in spanish 
making a travel guide
i need help creating a powerpoint of a travel guide about flordia 
Algebra
How do you factor x5x^36x^3? Thanks! 
Factoring
Can you show me how to factor x5x^26x^3, and why each step is done? I'm not sure how to factor something where the x is in front instead of the highest power, and something with both a ^2 and ^3 variable. Thanks! 
Algebra
Why does 5x/6x^2 become 5/6x? How did xx^2 become an x on the bottom? Thanks! 
Algebra
How do you factor an x^3 as in x^3+5x^2+6? Is there a general rule you can follow? 
Algebra
A few questions on simplifying rational expressions... 1). 15x^2/10x this simplifies to 3x^2/2 according to my book. But I would think it should be 3/2x since x^2x=x. Why not? 2). Simplify 3xy/xy+x. How come the (xy)'s don't cancel so you are left with 3/x? 3). Can ... 
Dividing Rational Expressions
x^38/x^24 divided by (x^2+2x+4)/(x^3+8). This becomes ((x2)(x^2+2x+4)/(x+2)(x2) times ((x+2)(x^22x+4))/(x^2+2x+4). I understand that (x2)(x^2+2x+4)=(x^38) when I distribute it, however, if I didn't have the help of my book, I'd have no clue how to come up with ... 
COLLEGE LETTERS
why would you want a teacher to write you a college recommendation? WHAT ARE REASON WHY THEY WOULD BE A GOOD RESOURCE 
SENIOR PROJECT IDEAS
What are some good topics for a senior project to do? 
pre calc
is 4,5, and 6 as well 
pre calc
list the positivve integers between 3 and 7. 
algebra
how did you do that 
algebra
solve. 3x/2 + 84x/7=3 
social studies
I need facts about infectious diseases in Ecuador 
social studies need more info
which link to use? 
social studies need more info
What does Ecuador plan to do about infectious diseases and what can the united nation do about it> 
social studies
What does Ecuador plan to do on Infectious Diseases and what the United Nations plan to do>? 
social studies
where do i go? 
social studies
What can the United Nation do about this as well? 
social studies
so the government is like weak they really don't want to help with the cause 
social studies
What does Ecuador plan to do on Infectious Diseases? 
chemistry
Why are water molecules polar? 
algebra need help
Determine whether the geometric series converges or diverges. 27 + 18 + 12 + 8 + . . . 
algebra II
Determine whether the geometric series converges or diverges. 27 + 18 + 12 + 8 + . . . 
english 3
ok thank you I will try tha!! 
english 3
can you give me some ideas of what to talk about 
english 3
okay I will use the movie the blue lagoon 
english 3
How can I compare Lord of the Flies to another work like a book or a movie? What should I inclued in the comparison in the powerpoint to make it creativity? 
chemistry
The densities of the liquid and solid states of a substance are often similar. Explain. 
pre calc
The terminal side of an angle in standard position goes through the poin (2,5). Find the values of the 6 trig function sin cos tan csc sec cot 
pre calc
1. com 50 degrees sup=140 degrees 2. com = 1 degree sup= 91 degrees 
pre calc
Find the complement and supplement of each angle. 1. 40 degrees 2. 89 degrees 
chemistry
13 times 6 =78 
chemistry
Determining a Molecular Formula from an Empirical Formula 1. A compund has an experimental molar mass of 78g/mol. Its empirical formula is CH. What is its molecular formula? 
algebra check these answere please
so what to change #2 to? could you fix that one for me thanks 
algebra check these answere please
Four quilters are preparing patches for a quilt. When finished, the quilt will contain 200 patches. The quilters’ contributions thus far are in the table below. Name Number if patches Lia 65 Brian 17 Elle 88 len 6 Find the probability that a randomly chosen patch: 1. Will... 
Independent and dependent events
these are the answers for them 
Independent and dependent events
can you show me how to start 
Independent and dependent events
A sixsidedcube is labeled with the numbers 1, 2, 2, 3, 3, and 3. Four sides are colored red, one side is white, and one side is yellow. Find each probability. Tossing 2, then 2. Tossing red, then white, then yellow. 
ap stats
Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0less than or equal to X less than or equal to 0.4) b.P(0.4 less than or equal to X less than or ... 
history
are there more beside that one person 
history
What other poets wrote about the Middle Passage besides Robert Hayden? 
stats need help
so for c. do i subtract the amounts of the two 
stats need help
Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample who ... 
chemistry
so a= 1.075*10^16