Friday
March 6, 2015

Posts by Anonymous


Total # Posts: 78,608

English
What is the claim, warrant, and grounds in this article? Smart Guns Save Lives. So Where Are They? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the...
January 21, 2015

Math
I am asked to graph f(x) = (x+3)^2 + 7 and then f(x) + 2. Is this the same as graphing f(x) = (x+3)^2 + 7 and f(x) = (x+3)^2 + 9?
January 21, 2015

science
how many milliliters of .2 M sodium hydroxide are needed to completely neutralize 25.0g of sulfuric acid
January 21, 2015

government
why?
January 21, 2015

government
Do you think the civil right acts are still necessary today
January 21, 2015

Physics
jkll
January 21, 2015

math
Thank you
January 21, 2015

math
Is the answer to the problem 294 hours?
January 21, 2015

math
Lisa works 7 hours a day, 7 days a week. How many hours does Lisa work in 6 weeks?
January 21, 2015

physicss
A heavier mass m1 and a lighter mass m2 are 20.5 cm apart and experience a gravitational force of attraction that is 8.80 10-9 N in magnitude. The two masses have a combined value of 5.65 kg. Determine the value of each individual mass.
January 21, 2015

Math
When I write the inverse function for y = 3x - 7, can I change y to f^-1(x)?
January 21, 2015

Spanish--2 questions
24. What can scientists learn from studying the forest around the crater in the Poás volcano? 25. Why do you suppose that no camping is allowed within the Poás Volcano National Park?
January 21, 2015

math
(1 pt) At the surface of the ocean, the water pressure is the same as the air pressure above the water, about 15lb/in2, Below the surface the water pressure increases by about 4.24lb/in2 for every 10 ft of descent. Write a function f(x) which expresses the water pressure in ...
January 21, 2015

Math
Thanks to both!
January 21, 2015

Math
So I have to simplify and then get the exponential?
January 21, 2015

Math
How to find the inverse of y = log(4)x^2
January 21, 2015

chemistry
A 0.8743 g sample of KHP was titrated 42.45-mL of NaOH solution until the phenolphthalein endpoint. What is the molarity of the NaOH solution?
January 21, 2015

destop pubblishing
in order for text wrap words around picture, you need to do what?
January 21, 2015

Health
can you give me an insite of the WHO Framework Convention on Tobacco Control ??
January 21, 2015

physics
5. An object is dropped. If one could neglect air resistance a. what would its velocity (magnitude and direction) be after 1 s? b. what would its displacement (magnitude and direction) be after 1 s?
January 21, 2015

physic
4. A car accelerates at 0.5 m/s2 starting from rest. a. After 4 s what is its velocity? b. After 4 s, how far has it traveled from its starting position?
January 21, 2015

Pychology
Much research is being conducted on repairing faulty sensory organs through devices such as personal guidance systems and eyeglasses, among others. Do you think that researchers should attempt to improve normal sensory capabilities beyond their “natural” range (for ...
January 21, 2015

Math
Jim bought 3 1/2 pounds of apples, 2 3/4 pounds of oranges, 1 1/4 pounds of grapes, and 2 5/8 pounds of bananas. If Jim gives Bill 1/5 of the fruit, how many pounds of fruit will Bill receive? This is a word problem for multiplication of fractions, and I don't even know ...
January 20, 2015

Calculus: Intergration
Need help intergrating 1dx/[(4x − x^2)^3/2] and 1dx/[x^2√(x^2-9)] Thanks
January 20, 2015

Chemistry
How many grams of CaCl2 * 6H2O are required to make 500 milliliters of a solution having the same concentration of Cl- as one that was prepared by dissolving 75.6 grams of NaCl in enough water to make exactly 1 liter of solution?
January 20, 2015

math homework please help
simplify cubed root of 432 write 10^5sqrt15 as an entire radical
January 20, 2015

Math
when the square root of 450 is simplified, the coefficient of the mixed radical is?
January 20, 2015

Math
fill in the missing number originally: ? new price: $3.80 15% decrease how do you find the original price? help!
January 20, 2015

chemistry
A 12.42 gram sample of a mixture of NaCl and CaCl2 is dissolved in water and all the chloride is precipitated as AgCl. If the AgCl precipitate has a mass of 31.70 grams. How do I find the mass percentage of each component in the original mixture?
January 20, 2015

Trig/Precalc
Okay, thanks so much for your hints on the first one! I got it using a combination of point-slope form and arc tangents. I'll wait to hear more on #2 if you have the time :)
January 20, 2015

Chemistry
if you start with 20.0g of phosphorus 30.0g of oxygen gas, and 15.0g water, what is the maximum mass of phosphoric acid that can be formed?
January 20, 2015

Pre-Calc
A page that is x inches wide and y inches high contains 30 square inches of print. The margins at the top and bottom are 2 inches and the margins on the side are 2 inch wide. A. show that the total area A on the page is A=2x(2x+7)/(x-4) B. determine the domain of the function ...
January 20, 2015

English
yes
January 20, 2015

English
Endurance to keep doing something for a long period of time like sports
January 20, 2015

English
Is endurance a physical challenge
January 20, 2015

physics
In a physics lab, students are asked to predict how the acceleration of the block sliding up a ramp compares to the acceleration down the ramp compares to the acceleration down the ramp. The block slides up a somewhat rough surface inclined at an angle of theta above the ...
January 20, 2015

ascience
what is the velocity vector of a sailboat traveling east at 20 mph with a wind of 10. mph to the north
January 20, 2015

English
Is drawing considered a physical challenge
January 20, 2015

Math
how many times heavier is a 16 1/2 pound rock than a 10 1/2 pound rock?
January 20, 2015

Chemistry
Our blood works mostly as a carbonic acid buffer which has an optimal buffering pH of about 6.4, the pH of blood is around 7.4. What is the advantage for the body of having the buffer at the non-optimal pH??
January 20, 2015

physics
When a ball is thrown upward, it experiences a downward accelera- tion of magnitude 9.8 m/s 2 , neglecting air resistance. With what velocity must a ball leave a thrower’s hand in order to climb for 2.2 s before stopping?
January 20, 2015

English
I have to name some physical challenges. Would aiming be considered a physical challenge
January 20, 2015

physics
If a car crashes into a wall, the wall puts force on the car. The car puts an equal force on the wall. What does each force do?
January 20, 2015

math
Digital camera memory card is 1/4 full. Card is 2/3 full when 375 more pictures have been taken. How many pictures can memory card hold? How pictures were originally on memory card?
January 20, 2015

League of Nations
How did the US Congress feel about the League of Nations
January 20, 2015

Genetics
Chemical analysis of the DNA of a virus from Mars reveals that it has 48% A, 48% T, and 4% G, Suggest some possible structures for this DNA. I don't quite understand this question. All i can come to think about is that A pairs with T evenly because of the percentages, ...
January 20, 2015

economics
The _____ Plan, favored by _____ States, proposed giving States equal representation in a unicameral Congress.
January 20, 2015

Math
Is x(x+6)=0 the same as x = 0 and x + 6 = 0?
January 20, 2015

physics

January 20, 2015

jp
C=π*d d=diameter=2r r=radius 176=π*d divide both sides of the equation by π 176/π=d take that answer and divide it by 2 Hope this helped :)
January 20, 2015

Math
If it takes a tub 20 minutes to fill up when the water is on all the way and 15 minutes to drain, how long will it take for the tub to be completely drained when the water is left all the way on? In 1 hour the tub can fill up 3 times and the tub can drain 4 times. So will it ...
January 20, 2015

Math
Find the interval for b such thtat the equation has a t least one real solution. i. X^2+bx-6=0 ii. 2X^2+bx-7=0 iii. x^2+bx+3=0 iv. 3x^2+bx+5
January 19, 2015

Math
f(x)=x64-4x^2+k. Find the values of k so thath the zeros of f satisfy the specified charachteristics. a.four real zeros b.two real zeros, each of multiplicity of two c.two real zeros and two complex zeros d.four complez zeros a.I don't know if this range goes for this or b...
January 19, 2015

Math
In 8.061, what is the place value of 6?
January 19, 2015

Math
Solve for x? 1. Divide both sides by -2. This is done to isolate the variable -2x = -16 --- ---- -2 -2 x = 8 <-----
January 19, 2015

Math
please help
January 19, 2015

Math
tina, troy and nate had a total of 25 equal-sized square tiles to place over a square grid. Tina used 8/25 of the square tiles. Troy used 1/5 of the square tiles. what fraction of the square grid must Nate place the tiles on so that 1/5 of the square grid is not covered.
January 19, 2015

law
What kind of questions trigger the reading of the miranda rights? Is there a case that deals with this specific issue... whether the question asked by the police was part of an interrogation or just an informal question getting basic information? Do these ever overlap?
January 19, 2015

Math
johnny is jogging along a track. He has already jogged 1 2/3 miles. He plans to jog a total of 3/14 miles. How many miles does he have left to jog?
January 19, 2015

Math
a snail is at the bottom of a well. in the first 10 minutes, the snail climbs 23 7/12 inches. In the next 10 minutes, it climbs 19 5/6 inches. How far is the snail from the bottom of the well after 20 minutes?
January 19, 2015

Math
arnold buys 8/9 pound of ground turkey. He uses 3/4 pound of the ground turkey to make meatballs. How many pounds of ground turkey are left?
January 19, 2015

Math
please help
January 19, 2015

Math
steve picks 55 pounds of pears. He packs equal amount of pears into 6 bags. He then has 4 pounds of pears left. What is the weight of pears in each bag?
January 19, 2015

Math
jeremy puts an empty container under a leaking faucet. In the first hour, 3/8 quart of water collects. In the second hour, 1/6 quart of container of water collects. how much water collects in the container in the two hours?
January 19, 2015

Math
11*12=132
January 19, 2015

Math
Hillside Little League has 12 teams. Each team plays each of the other team twice. How many games are played?
January 19, 2015

Math
what would the graph look like for the equation f(x)=ax+b/cx+d when a>0, b<0, c>0, d<0?
January 19, 2015

algebra
What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 27 - x2
January 19, 2015

Math
how'd you get 1/20-1/15?
January 19, 2015

Math
How long will it take for the tub to completely empty with thte drain open and the water running at full speed? Given: it takes 20 minutes to fill the tub and 15 minutes to drain the tub when the water is on all the way, full speed.
January 19, 2015

Math
Write a rational function satisfying the following criteria. vertical Asymptote: x=-1, slant asymptote: y=x+2, zero of the function: x=3 I had f(x)=x^2+3x+2/x+1, that only works for the asymptotes and not the zero can someone please help me figure how to satisfy all three ...
January 19, 2015

math
integrate (Abs value(secx)^2/cscx)sinx dx
January 19, 2015

Chemistry
If equal volumes of the following are combined, would they form buffered solutions? Why or why not? .1M HF and .05M NaF I'm am a bit confused about how I can figure out if these will form buffers or not, so I'd really appreciate it if someone could explain it to me. ...
January 19, 2015

calc
but with integration there is no power rule wouldn't I have to use substitution?
January 19, 2015

calc
integrate (3+x)x^(1/2)dx=? please help I have no idea how to integrate this problem
January 19, 2015

Please reply Dr. Bob
So the answer is that this will form a buffer?
January 19, 2015

Chemistry
Okay, thank you Dr. Bob. So just to confirm, it does not matter that the weak acid and its conjugate base are added in different amounts?
January 19, 2015

Chemistry
Please help! If equal volumes of the following are combined, would they form buffered solutions? Why or why not? .1M HF and .05M NaF I'm am a bit confused about how I can figure out if these will form buffers or not, so I'd really appreciate it if someone could explain...
January 19, 2015

ap calc
the original should be ((x^2-4)^2)^(1/2) dx
January 19, 2015

ap calc
then how would I solve because the derivative of x^2-4 =2x and in the original there is only a dx.
January 19, 2015

ap calc
integrate ((x^2-4)^2))^(1/2) Would the 2 and the 1/2 cancel
January 19, 2015

Chemistry
If equal volumes of the following are combined, would they form buffered solutions? Why or why not? 1) .1M NaC2H3O2 and .1M HF 2) .1M HF and .05M NaF I'm am a bit confused about how I can figure out if these will form buffers or not, so I'd really appreciate it if ...
January 19, 2015

chem/stats
Find the absolute error for the answer of the following equation: square root of 3.24 plus-minus 0.08 end root equal 1.80 plus-minus ?
January 19, 2015

analytical chem
You have a bottle labeled “53.4 (±0.4) % w/w NaOH” with a density of 1.52 (±0.01) g/mL. You use 16.7 (± 0.2) mL of the NaOH to prepare 2.00 (±0.02) L of 0.169M NaOH. Report the absolute error for the 0.169M of NaOH. You may assume ...
January 19, 2015

Anal Chem
A method for the analysis of the drug diazepam in blood consistently produces results that are low by -5.4%. If the measured concentration of diazepam in a patient’s blood sample is 2.02 ppm, what must be the actual concentration in their blood (in ppm)?
January 19, 2015

Analytic Chem
You have a bottle labeled “53.4 (±0.4) % w/w NaOH” with a density of 1.52 (±0.01) g/mL. You use 16.7 (± 0.2) mL of the NaOH to prepare 2.00 (±0.02) L of 0.169M NaOH. Report the absolute error for the 0.169M of NaOH. You may assume ...
January 19, 2015

Science
Is "how did our planet form" a scientific question?
January 19, 2015

math
A survey of students determined that 14 drove to school, 28 took the bus, 8 walked, 35 shared a ride and 15 had another means of transportation to school. On a pie chart, the slice representing students who took the bus would be approximately _______ degrees.
January 19, 2015

Science
How does cell differentiation connect to other branches of science or STEAM (science, technology, engineering, art, mathematics)
January 19, 2015

ap calc
ok thanks
January 19, 2015

ap calc
where does the one half come from in F(x)
January 19, 2015

ap calc
If f(x)= (2x+7)^(1/2), where F'(X)=f(x) and F(1)=7, then F(x)=? I know I need to use integration but I do not know how to take the anti derivative of the equation
January 19, 2015

calc
if f'(x)=3x^2-2x+1 and the graph of f(x) contains the point (2,2). find f(x). Please help I know I need to use integration
January 19, 2015

arithmetic
0.2[5.28-(0.7)=
January 19, 2015

mathematics
Arrange the following fractions in ascending order 7/15,5/12,3/7
January 19, 2015

English
okay thank you!!
January 19, 2015

English
okay, but what does it mean?
January 19, 2015

English
What do you think is meant by "linguistic playfulness" ?
January 19, 2015

chem
What volume of 0.0658 M calcium hydroxide is required to neutralize 45.10 mL of 0.0242 M nitric acid?
January 19, 2015

chemistry
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 4.8 M is required to react completely with 2.60 g of magnesium?
January 19, 2015

Pages: <<Prev | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | Next>>

Members