Sunday

April 26, 2015

April 26, 2015

Total # Posts: 80,592

**Math**

Its me again, I strongly believe C :)
*April 22, 2015*

**Math**

I will help if you please help me with my art. I in no way meant to offend you :(
*April 22, 2015*

**Math**

Points W(-5,3), X(-1,6), and Y(5, -2) are three vertices of a rectangle. Determine the coordinates of the fourth vertex.
*April 22, 2015*

**Art please help me :)**

The lesson we had said elegance and simplicity. The question says the throne is contrasting to the french chairs that are extravagant...doesn't extavagance show power? I in no way meant to offend you in any way by copying your question, i was just seeking help... im very ...
*April 22, 2015*

**Art please help me :)**

Pictures: Pair of Armchairs by unknown artist Digital image courtesy of the Getty's open content program. I couldn't find this picture in google. Picture 2: Ceremonial Chair(The Elgin Throne) by unknown artist it was the first picture in google. The detailed French ...
*April 22, 2015*

**Art please help me :)**

Was the other one D? :( I never meant to offend you, I was unsure:'(
*April 22, 2015*

**Art please help me :)**

Heh
*April 22, 2015*

**Art please help me :)**

Thank you sooo much Ms.Sue :)
*April 22, 2015*

**Art please help me :)**

Picture: Contemporary Retro Molded Black Accent Plastic Dining Armchair with Wood Eiffel Legs its the first picture in google. This wooden and plastic chair design by Ray and Charles Eames communicates a a sense of which artistic charateristic? A. Balance B. Rhythm C. Color D...
*April 22, 2015*

**Math**

Determine the value of y so that the line segment with endpoints P(3, y) and Q(-3, -1) is parallel to the line segment with endpoints R(-4, 9) and S(5,6).
*April 22, 2015*

**Math**

A line segment has endpoints C(-3,-6) and D(-6,-4). Point P is such that PC is perpendicular to CD. Determine the coordinates of P if P is on the x-axis.
*April 22, 2015*

**Math**

There are 2 points on the graph V(4,12) U(a,0) The line has a slope of 2. What is the value of a?
*April 22, 2015*

**Problem solving**

Two numbers that have a sum of 7869 and a difference of 1879
*April 22, 2015*

**Art**

I agree with Writeacher, was it A? This means a lot :)
*April 22, 2015*

**Art**

Saw lesson and agree 100% :) Were the other ones right? Please go back amd tell us if you got the others right, and what it was if not...it means a lot. I already put what i think the others were under their individual post :)
*April 22, 2015*

**linear algebra urgent**

^ btw that matrix has 4 values in it.
*April 22, 2015*

**linear algebra urgent**

For the orthogonal matrix A = 1/sqrt(2) -1/sqrt(2) -1/(sqrt(2)) -1/sqrt(2) verify that (Ax,Ay)=(x,y) for any vectors x and y in R2. Can someone please explain this
*April 22, 2015*

**Art**

I saw the lesson and it hints at D... was it D??? Thank you so much, it means a lot to me :)
*April 22, 2015*

**Math**

all divisors must have the same list of primes, with powers the same or less. (b) does not work, since the dividend does not include a 5. so, what is your answer?
*April 22, 2015*

**If you answer these questions I will pass this cla**

so what? you still won't know what you're doing...
*April 22, 2015*

**pols210 d001 win test answer**

answer to quiz in pols210 d001 win
*April 22, 2015*

**Math**

They all look good to me.
*April 22, 2015*

**math**

C looks good to me
*April 22, 2015*

**math**

1. 5*3^n A.5,15,45,135 B.15,30,45,60 C.15,45,135,405<----- D.0,15,45,135
*April 22, 2015*

**Geometry**

The measure of the consecutive sides of an isosceles trapezoid are in the ratio 8:5:2:5 the perimeter of the trapezoid is 140 inches if it's height is 20 inches find the area of the trapezoid
*April 22, 2015*

**Math**

Determine whether, for any set A, it is true that P(A) = P(U) − P(A). If it is true prove it, if it is not, give a counterexample.
*April 22, 2015*

**Social Studies**

Please help Ms. Sue!!! The following, "People want to ensure that Puerto Ricans always identify with the spanish language and culture." Provides support for which of the following statuses for the country of Puerto Rico? a. Separate Nation b. U.S. Commonwealth** c. U...
*April 22, 2015*

**check 1 easy question**

My answer is D
*April 22, 2015*

**check 1 easy question**

Which word is most similar to the word intuition? refinement principles reasoning insight <----
*April 22, 2015*

**Calculus**

F(x)=Integral of (-12sinx/cos^2x) dx+c F(0)=4. Find C
*April 22, 2015*

**Statistics **

The daily sales of a retail store are normally distributed with a standard deviation of $500. If the probability that sales will be less than $10,000 in any one day is 40%, what are the mean daily sales?
*April 22, 2015*

**Statistics **

What is the lowest z-value for the highest 2% of observations on the standard normal distribution?
*April 22, 2015*

**math**

a road crew must clear a hill that is 110.0 feet tall so that a new road can be built, they are to clear 11 1/2 feet of the hill each day, find the equation in slope intercept on the line that represent to height
*April 22, 2015*

**Algebra IMPORTANT**

2k+ 5k+1 + 10k+2 are three successive terms of a geometric sequence find the value(s) of k
*April 21, 2015*

**Math**

Use mean median or mode to predict how many strokes need to complete a golf ball
*April 21, 2015*

**chemistry**

pH=6.5
*April 21, 2015*

**chemistry**

One way to raise the pH of an acidic lake (and restore aquatic life) is to add limestone (CaCO3). How many grams of CaCO3 are needed to neutralize 1.2kL of the acidic water from the lake if the acid is sulfuric acid? H2SO4(aq)+CaCO3(s)→CO2(g)+H2O(l)+CaSO4(aq)
*April 21, 2015*

**Bio**

If a person’s liver makes 1000 mg/hour of urea during an average day, what would the concentration of urea be, in mg/mL, for a person making 1.0 L of urine during a particular day? What would it be for a person making 1.5 L of urine during a particular day?
*April 21, 2015*

**Math**

A car measures 20 feet. What is the length of a model car if the scale factor is 1:64 inches? I can't show my work because i don't even understand any of it!
*April 21, 2015*

**Chemistry**

What is the volume of 2.0 moles of an ideal gas at 290 K and 2.8 atm?
*April 21, 2015*

**Social Studies**

Then i think its D
*April 21, 2015*

**business**

8. Student Betty says that physical distribution includes both transportation and storage. Student Bob says that exchange includes both buying and selling. Which student is correct? A. Bob only B. Neither C. Both D. Betty only
*April 21, 2015*

**business**

21. _______ ratios measure the degree to which a firm relies on borrowed funds in its operations. A. Retail earning B. Wholesale earning C. Earnings per share D. Leverage (debt)
*April 21, 2015*

**business**

28. The North American Free Trade Agreement (NAFTA) can be expected to A. increase trade restrictions among the member nations. B. result in political unification of the member countries. C. increase the number of low-wage jobs in the U.S. D. vastly increase trade among the ...
*April 21, 2015*

**intoduction to business**

35. Union workers at an auto parts plant go out on strike. In response, management closes the plant. This tactic is a A. cooling-off period. B. secondary boycott. C. lockout. D. strikebreaker.
*April 21, 2015*

**calc**

the i and 3 are separate as well
*April 21, 2015*

**calc**

yes. so i 3 (1+i) (-i)
*April 21, 2015*

**calc**

Find the inverse of each of the following matrices, if possible [i 3 1+i -i]
*April 21, 2015*

**Religon**

This year academically for me has been tough. But, I know that by myself I can do nothing, but with God I can accomplish everything. I'm happy to say the semester is almost over and through God's strength alone I have been able to get through my classes :) I know that ...
*April 21, 2015*

**Life orientation**

Describe the human right violation(Xenophobia) that is taking place in your community
*April 21, 2015*

**math**

Factorise the following 1) a^3 - b^3 - a - b 2) a^2 - b^2 + 10a - 2b + 24
*April 21, 2015*

**math**

xiao
*April 21, 2015*

**Chemistry**

a student carefully measures the melting point of a solid material. she measures the range to be 81.2 - 83.7 degree. assuming she has done the measurement correctly. what can she conclude about the sample, and why
*April 21, 2015*

**Chemistry**

You are given potassium carbonate solid and potassium sulfate. Both are white solids. How would you separate potassium carbonate and potassium sulfate?
*April 20, 2015*

**Science**

In what ways are electric generators and motors similar? In what ways are they different?
*April 20, 2015*

**Chemistry**

I sincerely apologize. Here's the reaction: 2C(s) + O2(g)→2CO(g)
*April 20, 2015*

**Chemistry**

Can someone answer this question? The enthalpy of combustion of solid carbon to form carbon dioxide is -393.7 kJ/mol carbon, and the enthalpy of combustion of carbon monoxide to form carbon dioxide is -283.3 kj/mol CO. Use these data to calculate ∆H for the reaction. ...
*April 20, 2015*

**4th Math**

sam cut a pie into equal slices. there are only 3 slices left. the angle measure for the 3 slices is 72 degrees. How many slices did sam cut the pie into? 360
*April 20, 2015*

**Calculus**

A fence 4 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*April 20, 2015*

**HELP**

a car wheel turning at 0.5 is brought to rest by the brakes in exactly two revolutions. what is the angular acceleration of the wheel?
*April 20, 2015*

**san jac**

a sample of nitrogen gas contain 5.0mol in a volume of 3.5L calculate the new volume of the container if the pressure and temperature are kept constant but the number of moles of nitrogen is change to 2.5 mol
*April 20, 2015*

**HELP please**

a car wheel turning at 0.5 is brought to rest by the brakes in exactly two revolutions. what is the angular acceleration of the wheel?
*April 20, 2015*

**math**

Determine the number of divisors of the integer 4312440.
*April 20, 2015*

**PHYSICS**

a 0.30-m radius automobile tire rotates how many rad after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 3.54-s interval
*April 20, 2015*

**Science**

@Mrs.Sue
*April 20, 2015*

**Science **

The diagram below shows a process in Earth's crust. Which of the following statements best describes the process in the diagram. A Converging plates from Mountains B Converging plates from Volcanoes C Diverging plates form Mountains D Diverging plates form a rift valley I ...
*April 20, 2015*

**Biology **

what is an adaptive radiation
*April 20, 2015*

**science 8th (::**

So what one is it
*April 20, 2015*

**business calculations**

0.2
*April 20, 2015*

**business calculations**

albino rats used to study the hormonal regulation of a metabolic pathway are injected with a drug that inhibits body synthesis of protein. usually, 4 out of 20 rats die from the drug before the experiment is over. this time round, 10 animals are treated with the drug. what is...
*April 20, 2015*

**Calculus check and help**

Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. Find the the area of R. B. Find the value of z so that x=z cuts the solid R into two parts with equal area. C. Find the...
*April 19, 2015*

**Calculus**

Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. The region R is the base of a solid. For this solid, the cross sections, perpendicular to the spx-axis, are rectangles ...
*April 19, 2015*

**Physics**

(Image included with problem) 9.186E-1 moles of an ideal diatomic gas undergoes a transition from a to c along the diagonal path in the figure. The temperature of the gas at point a is 1310 K. During the transition, what is the change in internal energy of the gas? How much ...
*April 19, 2015*

**Physics**

A heat engine carries 2.60 mol of an ideal monatomic gas around the cycle shown in the figure. Process 1-2 takes place at constant volume and takes the gas from 300 K to 600 K, process 2-3 is adiabatic and takes the gas from 600 K to 455 K, and process 3-1 takes place at a ...
*April 19, 2015*

**Chemistry**

Copper has a specific heat of 0.387 J/g·°C. How much energy is required to raise the temperature of 215 g of copper from 47.0°C to 164.0°C?
*April 19, 2015*

**Calculus**

Sorry. I'm really confused though.
*April 19, 2015*

**Calculus**

Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. Find the volume of the solid generated when R is revolved around the line y=pi. B. Fine the volume of the solid ...
*April 19, 2015*

**Pre-Calculus**

I get ã145 but the answer according to the answer key is 9ã2
*April 19, 2015*

**chem**

The solubility of air in water is approximately 2.1x10^-3 M at 20 C and 1 atm. What is the constant for air.?
*April 19, 2015*

**Calculus**

For C i for 1.348 u^3. Is that right?
*April 19, 2015*

**Calculus**

Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. Find the the area of R. B. Find the value of z so that x=z cuts the solid R into two parts with equal area. C. Find the...
*April 19, 2015*

**sam**

integral from 1 to x of (5/(t^3 +3))dt
*April 19, 2015*

**algebra**

Suppose a car that sells for $40,000 depreciates 10% per year. How many years would it take for the car to have a value less than $25,000
*April 19, 2015*

**MAth**

How many inches are in 75% of 20 yards?
*April 19, 2015*

**calculate the area of plane figures**

y=x^2 y=8-x^2 NEED HELP
*April 19, 2015*

**math**

ibrahim has a bag containing five red balls,six yellow balls and four white balls , the ball is pick at random from the bag.find the probability that: (a))red or white ball ? (b) yellow or red ball ? (c) not red
*April 19, 2015*

**Error Analysis**

What can you do to reduce global warming in Thailand? Global warming is major problem affecting the world. Now, the world needs help from every human being. As a people, we can reduce global warming by following ideas. First, we can reduce global warming in Thailand by reduce ...
*April 19, 2015*

**algebra**

Describe how you know if an inequality is an “and” or an “or” problem. (use -3 < x+5 < 8). Also, how do you know if an absolute value question is an “and” or an “or” problem?
*April 18, 2015*

**Physics**

At what time after being ejected in the boulder moving at 20m/s upward if a large boulder is ejected from volcano with initial
*April 18, 2015*

**Architect**

What kind of training do you need to become a landscape architect?
*April 18, 2015*

**physics**

An aluminum calorimeter of mass 400g contains 200g of water at a temperature of 18celcius.When a block of nickel at a temperature of 80celcius is dropped into the water£¬the final temperature of the mixture becomes 28celcius. Find the mass of the nickel.
*April 18, 2015*

**Science**

53.9 mL of 0.991 M nitric acid is added to 45.3 mL of sodium hydroxide, and the resulting solution is found to be acidic. 20.5 mL of 1.51 M potassium hydroxide is required to reach neutrality. What is the molarity of the original sodium hydroxide solution?
*April 18, 2015*

**physics**

A cook placed five eggs£¬each having a heat capacity of 114J/celcius£¬in a 250g aluminum pot containing 0.5L of water at a temperature of 20celcius. If the heating element is raised at 750W£¬and one fifth of the heat escapes to the surroundings&...
*April 18, 2015*

**physics **

Before leaving for a vacation£¬the owners of a home 8.0m *21m*5.0m turn the thermostat down to 14celcius. On their return£¬how much heat is needed to raise the temperature of the air inside the home to 21celcius£¿Ignore the heat needed to warm ...
*April 18, 2015*

**physics**

A technician makes a 5.0 kg metal object containing two parts£¬one of iron and the other of aluminum.If it takes 504kj to change the objects temperature from 25 celcius to 165celcius£¬what is the mass of each part£¿
*April 18, 2015*

**physics**

Tony£¬a 110kg football player£¬has a fever of 39celcius. What mass of water must evaporate from his body to cool him to 37celcius£¿
*April 18, 2015*

**Physics**

A stone is dropped from the peak of a hill. It covers a distance of 45 meters in ther last two seconds of its motion. Find the height of the peak?
*April 18, 2015*

**chemistry**

25 ml of 3M hno3 are mixed with 75ml of 4.0M HNO3 if volumes are additive then find molarity
*April 18, 2015*

**s.s**

Thank you!
*April 18, 2015*

**s.s**

My friends asking. who was JFK killed by and was Lincoln a republican or democratic
*April 18, 2015*