Posts by Lee
Total # Posts: 936

math
A ball is thrown into the air with an upward velocity of 40 ft/s. Its height h in feet after t seconds is given by the function h = 16h 2 + 40t + 6. A. In how many seconds does the ball reach its maximum height? B. What is the ball's maximum height? 
MATH
12 squared divided by 30 squared is 5/2 therefore r1/r2 = 5/2 the answer is B. 10/2 which can be simplified to 5/2 
math
Marcella and Ruben bought some party supplies. Marcella bought 3 packages of balloons and 4 packages of favors for $14.63. Ruben bought 2 packages of balloons and 5 packages of favors for $16.03. Find the price of a package of balloons. 
basic word and excel
_______ data would be useful for creating a weekly status report for your manager that should reflect changes in real time. A. Field B. Integrated C. Linked D. Embedded 
basic word & excel
6. _______ data updates in your destination document if there are changes to the source data. A. Linked B. Integrated C. Embedded D. Field 
Science
If there's 1 gram of nitrogen (N2) at 1 L and 1 gram of hydrogen (H2) at 1 L, would the pressure of H2 be greater than the pressure of N2? And would the density of H2 = the density of N2 at these conditions? There would be more moles of H2 than N2, but the same mass and ... 
Basic Word and Excel
What would be a situation in which you could use an Excel chart to present your data? a.)determining what percentage of customer 101 buys product A, and what percentage of the same customer buys product B b)Compiling survey questions and answers from both business clients. c)... 
Calculus
Okay that makes much more sense!! Thank you so much :) 
Calculus
What is the size of the smallest nonnegative angle coterminal with an angle of 1051? radians? I got 180, but it wasn't correct? 
Chemistry
How much energy (in Joules) is required to heat 10.48 g of water from 12.7 oC to 46.3 oC ? Use 4.184 J/goC as the specific heat capacity of water. 53 g of water at 81.5 oC is added to a calorimeter that contains 50.52 g of water at 40.6 oC. If the final temperature of the ... 
chemistry
N2 (g) + 3H2 (g) ? 2NH3(g) ?H = 92.2 kJ How much heat (in kJ) is released if 13.3 g of hydrogen is consumed to make ammonia? (Give your answer as a positive number, since you cannot release negative energy.) 
Bus math
Bari Jay, a gown manufacturer, received an order for prom dresses from China. Her cost is $40 a gown. If her markup based on selling price is 76%, what is the selling price of each gown? 
English and Arts
I kind of disagree with the auteur theory because its not fair for the director to take all the credit for a film. Still, thanks for the advice. I guess I'll keep it in mind. 
English and Arts
The auteur theory is thinking that the director is considered the primary creative force in a motion picture or in other words the person who takes all the credit. Agree or disagree with this? Can someone please answer my question? 
English and Arts
In your personal opinion are you in agreement with the auteur theory? 
Cinema
Is the auteur theory accurate? I mean should one person receive the credit for making the movie or at least the inspiration to make the plot of the film? 
English
Which of the following sentences demonstrates the correct use of capitalizing direction words? A. Are you heading East? B. Poor Alex thought he was driving West. C. The Northeast has been hit with an unusually cold winter. D. I live just South of Scranton. 
Computer
Diagnosing is solving the problem, and troubleshooting is figuring out what the problem is. True False 
Math
Julia spent 1/3 of her birthday money and she lost half of the rest now she has $10 left how much did she get for her birthday 
Language Arts
"Everyone is just walking along concerned with his own problems, his own life, his own worries. And we're just expecting other people to tune in to our agenda." Think about how this theme is developed through the character's words and actions in the novel. ... 
social studies
There was a crossword puzzle in issue 24 of the N.C weekly reader...8 across and neither my child nor myself could find the answer, she answered all of the rest of the puzzle words, but this one stumped her and it did me as well, the question was, "N.C to industry," ... 
Physics HELP!
A locomotive of mass 2.1 x 104 kg travelling at 2.0 m/s runs into an identical stationary locomotive. a) If the collision is perfectly inelastic, what is the speed of the two trains after the collision? b) If the collision is perfectly inelastic, what fraction of the energy is... 
Physics
A 5.0 kg penguin sits on top of a 12 kg sled, as in the figure. A horizontal force of 45 N is applied to the sled, but the penguin keeps himself stationary by holding onto a string attached to the wall. The coefficient of kinetic friction between the penguin and the sled is 0.... 
Physics
On takeoff, the combined action of the engines and the wings of an airplane exert a force of 8.00 x 103 N on the plane upward at an angle of 65.0? above the horizontal. The plane rises with constant velocity in the vertical direction while continuing to accelerate in the ... 
Physics
An 1800 kg helicopter rises with an upward acceleration of 2.0 m/s2. What lifting force is supplied by its rotating blades? 
Chemistry
Which of the changes are chemical changes? a) Sugar crystals are ground to a fine powder. b) A candle is burned c) Two clear colorless salt solutions are mixed and a bright orange precipitate forms. d) Candle wax is melted e) A silver teapot turns black 
Geography
just looking for some key points on the issue. 
Geography
Why might a Confucian praise or criticize China’s current political system and its approach to economic and political change? 
Chemsity
will calcium metal be oxidized by sr2+? 
Physics
An amount of ideal gas is placed in a sealed rigid cylinder. The container is initially placed in boiling water. It is quickly removed and placed in icewater bath. Draw this thermodynamic process on a PV diagram. If the question change to An amount of ideal gas is in a ... 
physics
Vi=5.0m/s upwarrd vf=0.0m/s a=9.8m/s/s d=? Vf2=Vi2+2ad d=(Vf2Vi2)÷2a =25÷?2x9.8?=1.27m 
Physics
Three vessels have different shapes, but the area of their bottom surface is the same, and all three are filled with water with the same depth (1._ 2.\_/ 3./_\ ). Rank the magnitudes of the net forces exerted by the water on the bottom surface. 
maths
Good eggs 15030=120 ratio 120÷30 
Statistics
12 
Math
I don't understand stand this 20y+1.50x=????? 
Social Studies
How were the economies of the Nothern and Southern states different? How were they the same? 
I need help, I'm stuck...what is the correct answe
The table below shows the scores of a group of students on a 10point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: 6.5 The median score on this test is: 7.5 
FrequencyMath
The table below shows the scores of a group of students on a 10point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: The median score on this test is 
Measures of Central Tendency
I did and the anwer was wrong? 
6th grade math
I'm confused? 
6th grade math
A camera is capable of snapping three fourts of a pic per second. How long will it take the camera to snap 6 pictures? 
Geology
Which of the following is consistent with the plate tectonic theory? Which of the following is consistent with the plate tectonic theory? A. Lithosphere convection drives mantle movement. B. As a plate sinks into the asthenosphere, it pulls the trailing plate along. C. Lunar ... 
Math
A population of 41,250 increases each year by 2% 
Physics
A person driving her car at 45km/h approaches an intersection just as the traffic light turns yellow. She knew that the yellow light lasts only 2s before turning red,and shi is 28m away from the near side of the intersection. Should she try to stop,or should she speed up to ... 
Adding intergers and their application
If the temperature was 55 degrees at 3pm what is the temperature at 11pm 
SS
Answer Choice 
college algebra
A study found that athletes who rested after exhausting exercise had half life of lactic acid removal about 23 minutes. How long would it take to remove 90% of the lactic acid? 
Math
How do I write the equation for this: sum of ten and nineteen 
Math
How do I write the equation for this: sum of ten and nineteen 
QUS 103
A locomotive of mass 20000kg is traveling at a speed of 54km/hr on a straight track.if a breaking force of 250N per turn is applied .how far will the locomotive travel before being brought to rest? My solution:v=0 u=15m/s S=? F=250 M=20000 F=ma 250=20000×a a=250/20000 =0... 
history
What was the main goal of Greek colonization in the archaic period 
math
car gets 19 miles to the gal at let's say $3 per gal, taking an 8.5mi trip. How much does this trip cost? 
CIVICS PLS HELP MS. SUE!!!
Imagine a pasture in a small town with grazing sheep owned by several farmers. Every farmer profits by increasing the number of sheep he has on the pasture. However, the pasture can hold only so many sheep before it runs out of grass for the sheep to eat. If that happens, the ... 
Algebra
How do I solve this? A plane flying the 3458mi from New York City to London has a 50MPH tailwind. The flight's point of no return is the point at which the flight time required to return to New York is the same as the time required to continue to London. If the Plane'... 
Math
Thank you 
Math
I mean which equation, my teacher said I could only use one 
Math
I just need the equation 
Math
Federico needs to frost 36 cupcakes for a party. He has already frosted 23 cupcakes and wants to know how many more he has to frost. He writes the following two equations to represent the problem, but does not know which equation is correct: 23 + c = 36 36  c = 23 Which ... 
math
In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1. PY= QZ 
MATH
What would be the circumference of a cylinder that has a height of 8 inches and a radius of 1.6? 
math
So ms sue I have one more problem but I think I figured this on out, I just want to verify it is right! The formula used to calculate the volume =l*w*h same surface area 93.5 but the dimentions of the prism H= 10 inches from measuring the perimeter of the base is 2 inches so ... 
math
Thank You so much! 
math
So to find the volume it would be L*W*H H=8in x w=2.5 x L=2.5 =50 cubic inches 
math
I need to find the volume so I need help in finding the length 
math
Yes the surface area is 93.5 inches from what I iunderstand as the dimentions of the paper 8.5 inches by 11 inches 
math
The area of a rectangular prism is 93.5 inches The height of the prism is 8 inches and the width is 2.5 inches I need help in finding the length of the rectangular prism 
Algebra
TeaPots n Treasures sells loose Oolong tea for $2.15 per ounce. Donna mixed Oolong tea with shaved almonds that sell for $0.95 per ounce to create the Market Street Oolong blend that sells for $1.85 per ounce. One week, she made 300 oz of Market Street Oolong. How much tea and... 
Math
A picture frame is 6 1/2 inches wide. The ratio of the length of the frame to the width is 3:2. What is the length of the frame in inches? 
english composition ll
Which of the following best illustrates a positive feedback loop? 
Physics
In the series circuit, if the current through R1 is 1.5 A, what is the current through R2? 1. Unable to determine 2. 1.5 A 3. 1 A 4. 0.5 A 5. 3 A 
Physical sciences
Two forces A and B act at a point O. A=30 N at 60 degree and B= 40 N at 120 degree, relative to xaxis. Calculate the magnitude and direction of the resultant force using the method of perpendicular components. 
Language arts
Change possessive to it's longer form. Paul rings the church bells at a moment's notice. 
English
How would I change this sentence to possessive long form? Paul rings the church bells at a moment's notice. 
Language arts
How would I change this sentence possessive to long form? Paul rings the church bells at a moment's notice. 
College algebra
Show me how to solve x^41=0? 
Math
Measuring across a 14 inches how many square inches is in the circle 
maths
A bag contains six blue and 4 red balls ,3 balls are drawn at random replacement what is expected no.of red balls that can be drawn? 
chemistry
ΔH°rxn is 114.14 kJ/mol. Calculate ΔH°f of gaseous nitrogen monoxide, given that ΔH°f of NO2(g) is 33.90 kJ/mol. 
Math
25% of my candies are chocolate candiea i had 25 chocolate candies. How many candies did i have altogether? 
science
Saturn rotation and revolution compared to earth 
math
Jessica left the mall and drove toward the desert at an average speed of 40 mph. Shreya left one hour later and drove in the same direction but with an average speed of 60 mph. How long did 
chemistry
Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2•9H2O. 
math
A car can travel 436 miles on 17 gallons of gas. How far can it go on 22 gallons of gas? 
Personal Finance
Would you prefer a fully taxable investment earning 13.8 percent or a taxexempt investment earning 10 percent? assume a marginal tax rate of 28 percent. 
Chemistry
. Show a chemical reaction by which hardness is added to water that also explains the formation of caves in limestone formations? 
Poetry
Never mind it was B :) 
Poetry
What is rhyme scheme? (1 point_ The stressed and unstressed syllables within a poem a type of poetry that has no rhyme, but no rhythm (or patter of lines that rhyme within a poem) a poem that has a rhyming meter a poem consisting of ten syllables I think it's B but I'm... 
Social Studies Native Americans
Thanks guys, I got a 100% and the answer was C :) 
Social Studies Native Americans
I think it might be C or A 
Social Studies Native Americans
How did the Native American groups of the northern west coast adapt to their environment? a: they built their homes out of a sun dried brick called Adobe b: they had a nomadic culture, moving there teepees from place to place c: they used tree bark to make canoes, and ate a ... 
Social Studies
Where was the native American population density higher in 1500? A.Greenland 2. Caribbean islands 3.Present day Florida 4.Present day California CAN SOME HELP PLEASE :)) 
Organic Chemistry
Consider the crystallization of sulfanilamide from 95% ethyl alcohol. If impure sulfanilamide is dissolved in the minimum amount of 95% ethyl alcohol at 40°C rather than 78°C (the boiling point of ethyl alcohol), how would this affect the percent recovery of pure ... 
Math and exopents
Given w = 10. w + w (12  2*2 * 3) * 7? Can some one help? the answers are: 73 12 6 3 but none of my calculations are 73, 12, 6 or 3 :( 
Math
PLEASE HELP What is 6x3 / 9  1? I got 6 x 3 = 18 / 9  1 = 1 But for the answers it only 2 3 5 6 no 1 :(( 
Spelling
Does the word swimming have any silent letters? Is the second letter m silent? 
Language Arts
Anna is correct just took the test.. 
nsikayethu secondary comprehensive school
acetone 
math
In the figure below, angle y and angle x form vertical angles. Angle x forms a straight line with the 50° angle and the 40° angle. A straight line is shown and is marked with three angles. The first angle measures 50 degrees. The second angle measures 60 degrees. The ... 
Differential calculus
The voltage across the plates of a capacitor at any time t seconds is given by V=Ve t/CR, where V,C and r are constants. Given V = 300 Volts, C =0.12*106 F and R = 4*10 6 ohms Find the initial rate of change of voltage and the rate of change of voltage after 0.5 seconds 
physics
apply E=kq/r^2 then you can directly find q