mac
Most popular questions and responses by mac
American Government
Read the excerpt from the state constitution of Arkansas, which was adopted in 1874. No person who may hereafter fight a duel, assist in the same as second, or send, accept, or knowingly carry a challenge therefor, shall hold any office in the state, for a
asked on April 4, 2018 
Physics
Mike pulls a 4.5 kg sled across level snow with a force of 250 N along a rope that is 35.0° above the horizontal. If the sled moves a distance of 63.8 m, how much work does Mike do?
asked on January 23, 2012 
math
Suppose strontium90 decays at a rate of 2 percent per year. (a) Write the fraction P of strontium remaining, as function of t, measured in years. (Assume that at time t=0 there is 100 % remaining.) Answer: P(t)=(.98)^t (b) Estimate the halflife of
asked on September 14, 2017 
Math/Compound Interest
1. Use the compound interest table to find the compound amount earned on a $5,900 deposit for 10 years at 10% compounded semiannually. _____________________________________ A. 9,610.45 b. 15,654.47 c. 3,710.45 d. 12,375.66 2. Megan deposited $6,000 in an
asked on February 19, 2015 
Math
The Romascos hope to have $2,000 in 3 years for a down payment on a new pool. They invest $1,000 in an account that pays 8% interest at the end of each year. Will they have enough money at the end of 3 years to meet their goal of a down payment? What is
asked on March 12, 2015 
Physic
A box with a weight of 22N falls through the air with a wind resistance of 14N, what is the mass of the box and the acceleration of the box?
asked on December 4, 2012 
Algebra
Carly deposits $900 into an annuity at the end of every month for 2.5 years. The fund holds international stocks, and it yields about 12% compounded monthly. Find the interest earned after 2.5 years. a.$31,619.46 b.$31,306.40 c.$4,619.47 d.$4,306.40 (I can
asked on April 23, 2015 
Chemistry
How many moles of HNO3 are present if 0.116mol of Ba(OH)2 was needed to neutralize the acid solution?
asked on April 1, 2015 
macroeconomics
(1) Population: 250,000 Unemployed: 20,000 Labor Force Participation Rate: 80% (a) How many people are in the labor force? (b) What is the unemployment rate? (2) Not in the labor force: 125,000 Unemployed: 25,000 Employed: 100,000 What is the unemployment
asked on June 29, 2009 
statistics
Miles per gallon. In its Fuel Economy Guide for 2008 model vehicles, the Environmental Protection Agency gives data on 1152 vehicles. There are a number of outliers, mainly vehicles with very poor gas mileage. If we ignore the outliers, however, the
asked on September 21, 2011 
geography
What are the geographical and social economic which have led to population in lagos,porthacourt&kano
asked on March 5, 2019 
math
Jungle Warehouse signed a 9month simple discount note with a face value of $5,600. Find the proceeds if the discount rate is 13%
asked on April 8, 2017 
Physics
A river flows due east at 1.42 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 11.9 m/s due north relative to the water. If the river is 389 m wide, how far downstream is the boat when it reaches
asked on October 25, 2012 
2nd grade
What 2 words make this compound word? The word is cowgirl. Also name two words in the ill family
asked on October 7, 2009 
engineering mechanics (dynamics)
A 500 N weight is attached to a stiff rod of negligible weight that is hinged to one end. The rod is released from rest in horizontal position and allowed to swing freely in vertical arc. Through what angle with the horizontal must it swing to cause a
asked on August 25, 2016 
math
I have fewer ones than tens. The value of my tens is 30. What 2 numbers can I be?
asked on October 27, 2008 
Molecular formula
I have to find the molecular formula for As2O3, to do so I have to divide its molecular mass by its empirical mass. I have worked ou that its molecular mass is 197.9 g/mol. How would I find its empirical mass, is it not the same as its molecular mass? Many
asked on January 20, 2007 
econs
How do you think our nation’s output should be distributed according to income or according to some other standard (such as basic human need)?
asked on September 14, 2015 
external/internal character analysis
Hi, I need to prepare a demo lesson for 2nd grade on teaching character internal/external traits to students the lesson needs to be 40 minutes can you give me any ideas
asked on October 18, 2009 
math
Compute the monthly payments for an addon interest loan of $850, with an annual interest rate of 15 percent and a term of 4 years.
asked on May 2, 2014 
physics
Cloverleaf exits are approximately circular. A 1256 kg automobile is traveling 58 mph while taking a cloverleaf exit that has a radius of 35.4 m. Calculate the centripetal acceleration of the car and the centripetal force on the car. Remember that 1 mph =
asked on February 26, 2011 
chemistry
how many liters of 0.100 M HCL would be required to react completely with 5.00 grams of calcium hydroxide?
asked on March 6, 2008 
Hydrogen
Why does a hydrogen atom, which has only one electron, have so many spectral lines? Any help gratefully received. There are many energy levels the one electron can transition from/to.
asked on February 4, 2007 
English
What do you think the title, "The Great Gatsby," means? Is Gatsby “great”? Why or why not?
asked on April 8, 2018 
trigonometry
What is the single trigonometric function of (Cos 20 degrees) (Cos 30 degrees)(Sine 20 degress) (Sin 30 degrees)
asked on February 23, 2017 
geometry
find the value of x. triangle xyz 2x, 4x+1, and 2x+3 perimeter of triangle xyz=88
asked on December 15, 2009 
chemistry
How do I find the empirical formula for aluminium selenide? You have to have some data, such as masses, or percent: Empirical means it was measured. The empirical formula for aluminium selenide is the same as it's molecular formula; Al2Se3. The empirical
asked on January 6, 2007 
Organic Chemistry
The solubility of compound A in ethanol is 0.5 g per 100 mL at 0oC and 5.0 g per 100 mL at 78oC. (a) To make a hot, saturated solution of 15.0 g of A at 78oC, how much ethanol is required? (b) When the solution prepared in is cooled to 0oC, how much of
asked on September 24, 2014 
physics
A satellite is in orbit about Earth. Its orbital radius is 7.51×107 m. The mass of the satellite is 5415 kg and the mass of Earth is 5.974×1024 kg. Determine the orbital speed of the satellite in mi/s. 1 mi/s = 1609 m/s.
asked on February 26, 2011 
science
Why do you think that the Scientific Method is so important when we talk about the development of Psychology as a science?
asked on September 28, 2010 
education
My other question is Which is your favorite Assessment to use? Elementary age Anecdotal Records •Checklists •Event Sampling Portfolios •Rating Scales •Rubrics •Running Record •Teacher and Child SelfAssessments •Time Sampling Of these what
asked on September 21, 2015 
education
My other question is Which is your favorite Assessment to use? Anecdotal Records •Checklists •Event Sampling Portfolios •Rating Scales •Rubrics •Running Record •Teacher and Child SelfAssessments •Time Sampling Of these what are the
asked on September 21, 2015 
science
13. A procedure used to remove kidney stones by breaking them up in the urinary tract and allowing them to wash out with urine is A. ureterolithotomy. C. lithotripsy. B. lithopaxy. D. nephrolithotomy. 14. The convulsive stage of toxemia of pregnancy is A.
asked on November 12, 2010 
Macroeconomics
A decrease in aggregate demand will cause A. aggregate supply to fall according to classical economists, and prices to fall according to Keynes. B. prices to fall and unemployment to increase according to both classical economists and Keynes. C. prices to
asked on July 8, 2009 
Chemistry
4.5 moles of oxygen reacting with enough sodium will form how many moles of sodium oxide? How do you solve?
asked on March 2, 2016 
math
man drives for a time at 20 mph. then for a time at 45 mph.he drives 25 mi. he drives 50 min. . how many miles did he drive 20 mph ?
asked on July 21, 2011 
Algebra
Please help! I need to factorise and solve this equation, x^2 +x 30 =0 I then need to explain how I would use the answer drom this to solve the equation 4x^2 +4x120=0
asked on May 5, 2010 
Physics
A transverse wave on a string is described by the following equation. y(x, t) = (0.35 m) sin[(1.25 rad/m)x + (81.2 rad/s)t] Consider the element of the string at x = 0. (a) What is the time interval between the first two instants when this element has a
asked on November 30, 2009 
Macroeconomics
V pays 20 cents V sells to W for 35 cents W sells to X for 55 cents X sells to Y for 80 cents Y sells to Z for $1.00 Contribution to GDP: (a) 20 cents (b) $1.00 (c) $1.90 (d) $2.90
asked on July 3, 2009 
mathematicas
how do you write the matrix: 1 2 1  3 7 1 0  2 3 2 1  1 in row echelon form?
asked on January 14, 2008 
Motion equation
A stone, which weighs 0.62kg, is thrown, at 5.5ms, its kinetic energy at its maximum height above the surface is 2.3J, what is the height of the stone at this point? Any eqautions or advice gratefully received. I assume that is 5.5 m/s, the initial
asked on December 17, 2006 
Riddle
Where C = 46, D = 12, P = 11, Q = 37, R = 17, Y = 19 what numbers do T and S equal?
asked on April 18, 2016 
math
Need help...my calculator and I didn't agree! 125+(5×5)+9÷3×8 125+25+9÷3×8 125+25+9÷24 125+25+0.375 150+0.375 150.375
asked on December 1, 2015 
Physics
25 litre bottle of oxygen in a hospital. If the bottle is at 12 atmospheres, what volume of oxygen is available to the patient? If the oxygen is stored at 4 degrees C and used at 20 degrees, what difference does this make? (Assuming start volume and
asked on January 3, 2013 
English
1. When my teacher stopped [making reeds. Sending] all of her students on a wild goose chase. a. no change b. reeds. Thus sending c. reeds, she sent d. reeds, sending 2. They tend to take their time sending reeds to [you. I usually] have to wait a. no
asked on September 20, 2012 
math
reiny, could you give the motorists two trips another try. it appears you can work it . i'd appriciate seeing an answer. thanks.
asked on July 22, 2011 
math
a motorist drives to a city in 4 hrs. and returns by another route which is 26 mi. longer. on the return trip he traveled 5 miles per hour faster and took 4 hours and 12 min. . find the length of the shorter route.
asked on July 22, 2011 
Algebra
How do I calculate finding the weight of someone, on the earth's surface with a radius of 3900 miles, and their weight 625ft above the surface?
asked on July 16, 2011 
english
Find the sentenceunder the tree. Tom and Jose are. Or. put the toys away
asked on October 7, 2009 
vocabulary
How can I compound cowgirl
asked on October 7, 2009 
Communication Technology
A digital fsk equipment transmits bipolar return to zero data. when sending a sequence of alternating ones and zeros how many different frequenies will be transmitted? The fsk is actually sending mark and space signals, isn't it? The actual frequncies
asked on August 9, 2007 
Chemistry
Need to write a balanced chemical equation for the reaction between hydrogen selenide and tin. I know that the hydrogen selenide decomposes producing solid tin selenide and hydrogen gas but how would I balance that in the equation. Any help gratefully
asked on January 7, 2007 
Math(Prealgebra)
Ok, my question is ‘ last year the price of a certian computer was 150$ more than it is now. This year's price is 3/4 of last year's price. How much does the computer cost this year?‘. Can someone explain to me how to create an equation for this?
asked on May 28, 2018 
maths
If I bought a car at R349000 at 8.75% interest per year and made monthly payments of R5000 per month,what would my total repayment amount be for the car?
asked on April 7, 2017 
Education
I have a question if anyone can help that would be great!! I have to put a questionnaire together for my capstone class...How many of you use RTI daily if so how do you use it, thoughts on assessment and instruction and the future of RTI? DO you feel that
asked on September 21, 2015 
American History
Most of the asians who immigrated to the united states in the 1850s came because a.) Of available work b.) Of the rumor of a "golden mountain" in california" c.) they were forceds to flee due to collapes of the japanese economy d.) none of these
asked on May 7, 2013 
Prob and stats
A card is to be chosen at random from a shuffled deck. Find the probability the card drawn is A. The queen of clubs , given that it is an honor card B. a red four, given that the face number is even C. A seven, given that the face number is prime Please
asked on February 19, 2013 
World Geography and History
The ideas of _____ _____ are the basis for communism.
asked on December 17, 2012 
math
mr. pursley, have you ever worked geo., trig. etcwith no calu.s with the heat on , when it had to be right?wheather you blew up your target or something else or the bld. collapsed or was built in the correct place? i'm not an answer grazer, but qam an
asked on July 22, 2011 
Physic
A spherical concave mirroe has a radius =0.4m forms an image of a 0.2 m high object located 1m from the vertex of mirror. find the position and height of the image. ? please explain your solution
asked on December 12, 2010 
chemistry
calculate the amount of reactants required to produce 150g of H2O in CO2+H2O
asked on December 9, 2010 
science
what is your opinion on the Koyoto Protocol? do you believe we should participate or not
asked on August 9, 2010 
english
Find the words that go together. Snow , sled, rain, wind. Which words have the sound aw in saw?paw watch came tall. What does isn't mean?
asked on October 15, 2009 
english
Which sound is the same in paint and way? What does can't mean? 1) can't not. 2) could not 3) cannot . Correct the following sentences. 1) look out four that car. 2) my pet cat are small 3) a toy jet am in the box. 4) mrs larson picked up the baby 5) had
asked on October 15, 2009 
Math
Determine the solution set to the equation: 2sin^2x+cosx2=0
asked on March 2, 2009 
English
Can someone please provide me with reliable sites on how to write an absurdist drama piece and more specifically relate it to Harold Pinter's style. Cheers
asked on March 31, 2008 
sociolinguistics
hi! important question.is there a possibility to have isoglosses in the UK..if yes why yes if no why not?
asked on September 19, 2007 
Ecology
Hi, to calculate the GPP of an area, would I need to add the NPP and amount of respiration together? Hope this makes sense! http://en.wikipedia.org/wiki/Gross_Primary_Productivity
asked on December 28, 2006

Social Studies
Yes a little help with this would be nice....does anyone besides Ms.Sue know? :P
posted on March 27, 2019 
Math
21000
posted on February 1, 2019 
Math(Prealgebra)
Thanks, I was really confused with this problem for the last hour.
posted on May 28, 2018 
English
sma ms SUE
posted on April 12, 2018 
7th grade
mac daddy
posted on April 2, 2018 
Social Studies
I think she is a tutor on this website but not sure
posted on November 9, 2017 
Math
50
posted on October 5, 2017 
algebra
4x(102)
posted on September 18, 2017 
PHYSICS
28m
posted on September 15, 2017 
Poetry 7  Check please!
I got a 100%! Thanks!
posted on February 15, 2017 
art
Where's question number 6?
posted on February 10, 2017 
LA
Woah I just saw all this drama right now and I am pretty sure this is a free country where people can use whatever language they want. Number two why do you people care about what other people are saying some people actually come here for help not to
posted on January 23, 2017 
Algebra 2
My Name is Mac
posted on December 21, 2016 
langage arts
SAMI is right
posted on December 16, 2016 
Health.. NEED HELP ASAP
If you go to connections this is the quiz for Living with an eating disorder
posted on December 16, 2016 
p.e
Um ms.sue arent you a teacher?? If you are u r one bad teacher
posted on November 18, 2016 
MATH
b a d b a If you are connexus academy these are the answers
posted on October 26, 2016 
Math
I am in 8th grade and I found the answer to this problem to be 2.25
posted on October 25, 2016 
math
8(2x3)6x if x=3
posted on August 20, 2016 
science
You could use potassium nitrate to test for potassium because both potassium and nitrate are water soluble. Potassium nitrate will react with the fluoride and create a solid precipitate. Potassium nitrate is water soluble.
posted on June 9, 2016 
Physical Science
live shorter
posted on February 29, 2016 
Calculus.......plz help! =)
The answer is radical 55 divided by the square root of x. ur wlcom. thx
posted on December 17, 2015 
physics
3.4
posted on November 17, 2015 
Math
He was wearing a football jersey and was talking about yardage gained or lost and what yard line the players ended up on.
posted on October 2, 2015 
education
have you had and disadvantages, advantages, obstacles
posted on September 21, 2015 
education
Hi Ms. Sue, Elementary Mac
posted on September 21, 2015 
education
it was just in general what teachers like using
posted on September 21, 2015 
algebra
15,000
posted on September 4, 2015 
math help
Your answer is wrong. You forgot to switch csc into sin, therefore r=3, and s=5. Now we know that tan (T)= 4/3
posted on June 17, 2015 
Math
Thank you so much for explaining that! I wasn't getting that answer at all, but I do see ho you get it. Thank you again!
posted on March 12, 2015 
physics
(a) Set up two equations. One for forces, one for torques. For the first equation, which way does friction act? i.e. which way would the yoyo move if there was slip? Since there is no slip, friction must be acting *against* the intended direction of
posted on December 8, 2013 
Physics
390 is for a deccelaration of 4 and not of 7.the right answer is 195
posted on November 3, 2013