Thursday
February 11, 2016

Posts by Anonymous

Total # Posts: 91,553

Calculus
Calculate μ and σ, where σ is the standard deviation, defined by the following. σ^2 = integral between (−∞,∞) (x-μ)^2 p(x) dx The smaller the value of σ the more tightly clustered are the values of the random variable X about the...
November 22, 2015

calculas
thnk u
November 22, 2015

calculas
i didnot under stand the question ? need help Gas is escaping a spherical balloon at the rate of 4 cm3 per minute. How fast is the surface area of the balloon shrinking when the radius of the balloon is 24 cm? Given volume of sphere is V = 4/3 πr^3and the surface area S...
November 22, 2015

Algebra 1
If Tyler and Maria can paint their kitchen in 5 hours and Maria can paint it in 9 hours by herself how long would it take Tyler to do it alone?
November 21, 2015

Government
Why do some claim that judges “legislate from the bench?”
November 21, 2015

Government
How does ideology affect federal judicial appointments?
November 21, 2015

biology
A researcher is collecting qualitative data pertaining to social behaviors of deer at different times of the day. How will she most likely need to organize this data?
November 21, 2015

Government
Why does the U.S. have a dual judicial system
November 21, 2015

Chemistry
Methyl alcohol can be prepared commercially by the reaction of hydrogen with carbon monoxide. Under equilibrium conditions at 7.00 × 102 K, [H2] = 0.0720 M, [CO] = 0.200 M, and [methanol] = 0.0300 M. Find the value of Kc, and then find the value of Kp. What is the value ...
November 21, 2015

Calculus
A window is designed to be the area between a parabolic section and a straight base. The height is 0.640 m and the base is 1.60 m. What is the area of the window?
November 21, 2015

Government
What does it mean to “have standing?”
November 21, 2015

Social Studies
Yes.
November 21, 2015

Language Arts
1.) When MacNeil asks, "When before human history has so much humanity collectivity surrendered so much of its leisure to one toy, one mass diversion?" What is this persuasive technique called? A. repetition B. Generalization C. a rhetorical question D. a ...
November 21, 2015

Social Studies
The spark that set off world war one1 was the assassination of archduke franz ferdinand of what european nation? A.Austria-Hungary B.Germany C.Russia D.France Is the answer A?
November 21, 2015

physics
A hunter fires 50 g bullets from a machine gun. If each bullet moves with a velocity of 150ms−1 how many such bullets are to be fired into a tiger of mass 60 kg coming towards him with a velocity of 10ms−1 in order to stop the tiger?
November 21, 2015

Maths
Differentiation Find dy/dx for the following function y=x^2+5x^7 all over x Please help Thankyou
November 21, 2015

maths
the hcf of two numbers is 145 ,their lcm is 175.if one number is 725,the other number is
November 21, 2015

Math
Log3 (4x+1) log3(13x-5)=2
November 21, 2015

Chemistry
A 27 g sample of germanium crystal contains 44 mg of arsenic. The arsenic is substitutionally incorporated into the crystal. Germanium has a band gap of 0.66 eV and an intrinsic carrier concentration at 25o C of 4.2e+13 cm-3. At what temperature (in oC) will the intrinsic ...
November 21, 2015

Physics
A race car starts from rest on a circular track of radius 279 m. The car's speed increases at the constant rate of 0.760 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following a) the speed of the race car? m/s ...
November 21, 2015

Government
What is the importance of selective incorporation
November 20, 2015

Biology
6. The gene for a large single eyeball is coded by the gene sequence TTCGCTGAA. Let’s go through transcription… DNA Strand- T-T-C-G-C-T-G-A-A mRNA Strand- _____________________________ 7. Now, let’s look at the gene for green body color, which is GGACTCTAG. With...
November 20, 2015

writing skills
Instead,base your forecast on sensible proverbs that have stood the test of time. what correction should be made to this sentence?
November 20, 2015

World History
Information on Croatia's military strength
November 20, 2015

Statistics
the average cost of a house in a new subdivision is inferential or descriptive?
November 20, 2015

Writing
Did you guys figure it out?
November 20, 2015

Algebra
Compare the number in each exercise using an inequality symbol 1. 4/3, square root of 2 2. -7/11, -0.63 3. -22/25, -0.8
November 20, 2015

physics
an object of height 5 cm is placed at a distance of 2m in front of a mirror and its image is obtained on a screen.Find the distance of screen from the mirror,nature of the mirror and its focal length.
November 20, 2015

Language Art
Cris was right
November 20, 2015

Math
The ratio of the lengths of the sides of a triangle is 2:4:5. The largest side is 33" longer than the small side. What is the perimeter? I don't know how to start it help please
November 19, 2015

math fractions
Monkey is not good
November 19, 2015

SCIENCE
1. Which of the following is an example of an environmental pressure? (1 point) the air pressure in the atmosphere a lake that is gradually running out of water a fight between two members of the same species breeding between two members of the same species 2. Which of the ...
November 19, 2015

Geometry
Do you know the formulas for the volumes of cylinders and spheres?
November 19, 2015

Math
In a table of random digits, each digit is to occur with a probability of 0.1. a) A student examines a list of 200 random digits and counts only eleven 4’s and thus claims that the table is not really random. Explain the error in the student’s thinking. b) How many 7...
November 19, 2015

Algebra
1. D 2. A,D 3. B 4. D 5. C 6. A
November 19, 2015

function rule
what is a function rule for the area of a rectangle whose length is 4in more than its width
November 19, 2015

math
Find the unit cost for a DVD, and then multiply that my the amount of DVDs to be bought. 1 DVD = $28.00/2 = $14.00 Per DVD. So 5 DVDs would be 5*$14.00, which is $70.00. ANONYMOUS
November 19, 2015

math
Nata spent $28.00 on 2 DVDs. At this rate now much would she spent on 5 DVDs cost?
November 19, 2015

Algebra 1
If you have different slopes, then you will have one solution of intersection. So you would be correct. ANONYMOUS
November 19, 2015

chemistry
what is the molarity of the KCI solution.
November 19, 2015

measurement
1 mi. = 5280 ft. 1 yard = 3 ft. 1 mi. / 3 ft. = 1760 yards in a mile.
November 19, 2015

Biology
Adenine pairs with Thymine. Guanine pairs with Cytosine. So if you see an A, the complimentary nucleobase would be T. For Guanine, the complimentary base would be C. So, 1-c, 2-a, 3-b
November 19, 2015

Biology
Find the complimentary DNA sequence after going through DNA replication… 1) AAGTCCAT a) ACTGAATG 2) TGACTTAC b) CGGAGTTT 3) GCCTCAAA c) TTCAGGTA
November 19, 2015

Physics
You can calculate the pressure at a certain depth using the static fluid pressure equation for a liquid column. P=(rho)*(g)*(h), where 'rho' is the density of water, in SI units that would be about 1kg/m^3. the value of 'g' is just the gravitational constant 9....
November 19, 2015

Marh
I am assuming that you meant you gathered 1.5 times more apples than he did. You can setup an equation to represent the situation. Let 'k' be our unknown variable. You friend gathered k apples. You gathered 1.5 more than he did, so you gathered 1.5*k apples. The total ...
November 19, 2015

High school
A bullet traveling 700 m/s horizontally hits a target 150 m away. How far does the bullet fall before it hits the target?
November 19, 2015

math
paul salary is 2,172 monthly he spend 1/4 in rent 1/8 in car 5/8 in others how much spend monthly in car and rent?
November 19, 2015

math
The game of checkers is played on a square board. If the area is 256 square feet, what is the perimeter of the board?
November 19, 2015

Social Studies
Well- this is kind of social studies...so anyway, I have to do a presentation on automobiles and I wanted to know some problems with automobiles in the 1920's? I already have: The automobiles scared horses because they were so noisy, people drove there cars instead of ...
November 19, 2015

algebra
The area of a circle is 78.5 square centimeters, and a subtending arc on the circle has an arc length of 6pi. The estimated value of is 3.14. what is the measure of the angle subtended by the arc in degrees?
November 19, 2015

scale factors
The model of airplane has a wings[an of20 inches. The model scale of 1 inch = 3.5 feet. what is the wingspan of the actual airplane.
November 19, 2015

Math
Thanks Reiny
November 19, 2015

PHYSICS

November 19, 2015

PHYSICS
7.5 minutes
November 19, 2015

psychology
do dolescent boys engage in some law-breaking behaviors while in their teens
November 18, 2015

IT
Where would you find an address book on email? Archive - Would be old data files. Inbox - Like your mailbox. Insert - Command Tools - Control panel type. I'm thinking A but I am absolutely not sure, final for my course. They are all stupid answers, but which is the least?
November 18, 2015

chemistry
fluorine
November 18, 2015

chemistry
how many liters of ammonia at STP are required to produce 4.65 grams of hydrogen fluoride?
November 18, 2015

Quick English check ms sue
Select the term that is best represented by each statement below. Use the words complement, concern, contend, efficacious, emulate, exploit, facile, industrious, obtain, resuscitate. Correct me if I'm wrong on any of these! Thank you. 1. "I strive to win." (...
November 18, 2015

physics
Two ice skaters of equal mass grab hands and spin in a circle once every four seconds. their arms are 0.76 m and they each have mass of 55.0 kg. how hard are they pulling on one another?
November 18, 2015

physics
1. To answer this you use the formula W=fd, you have the force because the piano is moving at a slow constant rate so its overcoming its gravity in the X direction, so you can find F and 2.26M is your Displacement (D)
November 18, 2015

chemistry
You have a 250ml solution of 0.13M calcium iodate. How many grams of potassium iodate need to be added to the solution to begin to precipitate calcium iodate? The solubility product constant for calcium iodate is6.47 *10^-6. B) you have a 250ml solution of 0.13 M calcium ...
November 18, 2015

Business
Is Mcdonalds expanding into the McCafe business considered a blue ocean strategy?
November 18, 2015

english
it's still cheating! just because someone takes a test online doesn't mean her getting the answers isn't cheating. I'm sure she's a smart girl. It's called STUDYING. I just don't want you to get in trouble with school, and you aren't sufficient;...
November 18, 2015

english
yeah, she means do it yourself, not get people online to answer your questions for you. And, how can you know if you already got a 50 if you haven't even gone back to school for your teacher to grade it?
November 18, 2015

english
karma for cheating
November 18, 2015

Math
What is 75% of 260
November 18, 2015

chemistry
pls help me to solve this problem
November 18, 2015

chemistry
You have a 250ml solution of 0.13M calcium iodate. How many grams of potassium iodate need to be added to the solution to begin to precipitate calcium iodate? The solubility product constant for calcium iodate is6.47 *10^-6. B) you have a 250ml solution of 0.13 M calcium ...
November 18, 2015

Chemistry
What is the function of a salt bridge in a galvanic cell? 1. To permit electrons to flow through the solution. 2. To maintain a steady flow of reactants from the cathode to the anode. 3. To form complex ions with the products of oxidation at the anode. 4. To maintain ...
November 18, 2015

physics
During a baseball game, a batter hits a popup to a fielder 80 m away. The acceleration of gravity is 9.8 m/s2 . If the ball remains in the air for 5.5 s, how high does it rise? Answer in units of m.
November 18, 2015

Chemistry
A solution is prepared by dissolving 3.0 × 10-4 mol of AgNO3 and 3.0 × 10-5 mol of K2CrO4 in 1.00 liter of solution. With respect to Ag2CrO4 (Ksp = 1.9 × 10-12), is the resulting solution saturated, supersaturated, or unsaturated? I know you do [Ag][CrO4} but...
November 18, 2015

Chemistry
2.3
November 18, 2015

Lisa Hines
Do your own work Lisa Hines, if you are a Connexus user, they could have you kicked out of the school! So dont go around asking others for their answers, remember, YOUR GRADE.
November 18, 2015

Chemistry
One half-cell in a voltaic cell is constructed from a silver wire electrode in a .25 M solution of AgNO3 . The other half-cell consists of a zinc electrode in a .001 M solution of Zn(NO3)2. Calculate the cell potential I have no idea and am so stressed, Help please
November 18, 2015

Chemistry
What is the net ionic equation of potassium carbonate combines with strontium hydroxide?
November 18, 2015

Chemistry
What is the net ionic equation of potassium carbonate combines with strontium hydroxide?
November 18, 2015

English
The subject of the sentence is the video game (or is it Pac-Man?) the verb is 'spans.' A video game /which spans the ages/ is Pac Man. The only part that makes sense as an adjectival clause is 'which spans the ages' because it begins with 'which.' is it...
November 18, 2015

English
Could you help me understand why 2 is wrong? I thought "A video game" was the modifier. Is it "which spans the" ?
November 18, 2015

English
Please check my answers! This story was pretty confusing to me. 1. The purpose of the anecdotes in "The Last Judgment" about each person Kugler has known serve most to A. generate sympathy for Kugler B. Add characters to the story C. Help the judges make their ...
November 18, 2015

Economics senior secondary school 1
These nuts
November 18, 2015

chemistry
Maximum mass of water in combustion of 20g hydrogen?
November 18, 2015

Chemistry
I divided ksp of each one /M and then found which precipitate first is that right can you pls explain parts b and c thanks!
November 18, 2015

Chemistry
Silver chloride has Ksp=1.6x10^-10 and silver cheomate has Ksp=9.0x10^-12. We have 1.00 liter of a solution contains both nacl(0.10M) and Na2cro4(0.10M) solid AgNo3 is added slowly and the solution is stirred well. a) which precipitate first Agcl or AgCro4? B)what are the ...
November 18, 2015

chemistry
please show the step by step for theoretical yield /yield % of 1.963g NaHCO3-Na2CO3
November 18, 2015

business
follow your dreams
November 18, 2015

Chemistry
Thanks!
November 18, 2015

math
haha
November 18, 2015

PHYSICS
A meter stick lies along the x-axis, centered at the origin. An upward force of 6.0 N is applied at x = 30 cm, and an upward force of 8.0 N is simultaneously applied at x = −40 cm. What is the net torque on the meter stick, taking into account usual sign conventions?
November 18, 2015

Math
No problem. Good luck with your studies!
November 17, 2015

Math
ok good work. multiply your answer by 60 because there are 60 minutes in an hour. (43/30)60 = 86 minutes which translates to 1 hour and 26 minutes
November 17, 2015

Math
43/30
November 17, 2015

reading
I can't get all 12 letters but I got unsteadiest
November 17, 2015

Math
1/15
November 17, 2015

MATH
1. -1/7 2.2/5 3. -2/3 4. 2/11 5. -11/35
November 17, 2015

maths
18
November 17, 2015

maths
how many panels do I need to enclose a pool area if it was 12 meters long and 6 meters wide and if the panels where 2 meters long each
November 17, 2015

PHYSICS
In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.810). It has a temperature of 65.0 oC. The new owner of the house paints the radiator a ...
November 17, 2015

Chemistry (Help)
I don't understand the dividing by 2. Could you explain more?
November 17, 2015

Chemistry (Favor?)
Also, could you please check my question with 578 g of C57H110O6 on page two?
November 17, 2015

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