Sunday
May 1, 2016

Posts by alex

Total # Posts: 3,422

math
Marcela 27 donuts from Dunkin Donuts. She ate one ninth of the donuts. She took the remaining donuts and shared them equally amongst 12 classmates. How many donuts did each friend receive?
March 21, 2016

math
Marcela 527 donuts from Dunkin Donuts. She ate one ninth of the donuts. She took the remaining donuts and shared them equally amongst 12 classmates. How many donuts did each friend receive?
March 21, 2016

math
Alex bought 27 donuts from Dunkin Donuts. He ate 1/9 of the doughnuts. He took the remaining donuts and share them equally amongst 12 classmates. How many donuts did each friend receive?
March 21, 2016

Math
A hospital was out of juice at the end of September. They bought 200 cases on October 1 at $10/each and 200 more cases on November 1 at $12. There were 100 cases left at the end of October. What is the total of the first case expensed on November 2nd?
March 18, 2016

Math
A hospital was out of juice at the end of September. They bought 200 cases on October 1 at $10/each and 200 more cases on November 1 at $12. There were 100 cases left at the end of October. What is the total of the first scare expensed on November 2nd?
March 18, 2016

Physics
A body of mass 10g oscillates with Simple Harmonic Motion of amplitude 4cm and time period 0.50s. Calculate: a) The maximum acceleration. b) The maximum kinetic energy.
March 13, 2016

Spanish
2)descanso 3)retirarse 4)madrileños
March 12, 2016

intro to physic fundamentals
the speed of a roller coaster that had descended 29.0 m was only slightly greater when it had an initial speed of 5.00 m/s than when it started from rest. This implies that ΔPE KEi. Confirm this statement by taking the ratio of ΔPE to KEi. (Note that mass cancels.)
March 4, 2016

phliosophy( justifying using the rule of inference
1.) A > B 2.) B > C 3.) ~C.D //:. ~A
March 2, 2016

trigonometry (Course and Bearing)
how do you sketch this kind of problem?, thats the reason why i'm having trouble with this ..
March 2, 2016

trigonometry (Course and Bearing)
two lighthouses are situated such that B is 7 km directly east of lighthouse A. A ship at point P observes that A is due north and that the bearing of B is 46°10'. How far is the ship from A and B ?
March 2, 2016

Social Studies
I think so. wait to see what reed says
March 1, 2016

Social Studies
its not my social studies. it is Ann
March 1, 2016

Social Studies
The 1868 state constitution for South Carolina was revolutionary because it embodied many democratic principles absent from previous constitutions. The new document provided for population alone, rather than wealth or the combination of wealth and population, as the basis for ...
March 1, 2016

Geography and Society
Without the atmosphere that protects the Earth, humans, animals and all plant life would not be able to survive. The atmosphere works to hold oxygen in the area around the earth. Humans and most animals are dependent on oxygen. Plants are also dependent on oxygen because they ...
March 1, 2016

Math
I'm a student
March 1, 2016

Math
It is 62,370mm
March 1, 2016

Maths
OK?
March 1, 2016

Maths
A proportion is a name we give to a statement that two ratios are equal. It can be written in two ways: •two equal fractions, or, •using a colon, a:b = c:d When two ratios are equal, then the cross products of the ratios are equal. That is, for the proportion, a:b = ...
March 1, 2016

Maths
Explain how to do the problems?
March 1, 2016

Math
Muesli can make 260 grams with the dried fruit and wheat flakes. Problem 1 Answer
March 1, 2016

Math
A bakery sells apple pies for $12 each and pumpkin pies for $15 each. In one day, they make $100 from selling apple and pumpkin pies. Write an equation to show how apple pies a and pumpkin pies p are related to money the bakery made.
March 1, 2016

Chemistry (stoichiometry)
22 moles of benzene are completely reacted with molecular oxygen, how many moles of carbon dioxide will be produced? and if 150 grams of water were produced, how many moles of oxygen must have reacted
March 1, 2016

philosophy( symbloic logic)
P, Q, R = 1 x, Y, Z = 0 _____ 1) ~(x.y) V (R.Q)
March 1, 2016

Math
You save half of the money from your paycheck plus an extra six dollars to buy a new bike. Write an expression for the amount of money you save from each paycheck
February 23, 2016

Mayh
The height of a ball thrown straight up from the ground into the air at time 't', is given by: h=8t-10t^2 What is the time to go up and fall to ground
February 23, 2016

English
Which sentence contains an indirect object? a. The radio warned us of the storm. b. The police gave everyone three hours to evacuate. c. Carl remained at home on the island. d. He escaped the storm in a boat.
February 23, 2016

oblique triangle
C = 38.667, b = 9.72, c = 11.8
February 22, 2016

oblique triangle
C = 20.83, A = 103.167, c = 132
February 22, 2016

oblique triangle
reiny, am i doing it right ?? AB = 12.57(sin 54.23)/sin 57.36 = 12.11
February 22, 2016

oblique triangle
reiny am i dooing it right ?? AB = 12.57(sin 54.23)/sin 57.36 = 12.11
February 22, 2016

oblique triangle
B = 68°24'36", C = 54°13'48", b = 12.57
February 22, 2016

Discrete Math
Let A = {x ∈ R| cos x ∈ Z}, B = {x ∈ R| sin x ∈ Z}. Is A ⊆ B? Is B ⊆ A? Is either A or B a proper subset of the where other?
February 22, 2016

chemistry
If a solution containing 22.34 g of mercury(II) perchlorate is allowed to react completely with a solution containing 6.256 g of sodium sulfate, how many grams of solid precipitate will be formed?
February 14, 2016

Math
156-127=29
February 12, 2016

trigonometry (Trig Equation)
sin 3x=-1
February 12, 2016

trigonometry (Trig Equation)
4 cos 2x + 3 cos x = 1
February 11, 2016

Math
For these problems the instructions say to tell whether each scale reduces, enlarges, or preserves the size of the actual object. Here are my problems and answers: 1. 10 cm: 1 dm Ans: reduces 2. 3 ft:3 yd enlarges 3. 5 km: 5 m enlarges 4. 1760 yd: 5280 ft reduces
February 7, 2016

Physics
Roxanne is making a strawberry milkshake in her blender. A tiny, 0.005-kg strawberry is rapidly spun around the inside of the container with a speed of 14.0 m/s, held by a centripetal force of 10.0 Newtons. What is the radius of the blender at this location?
February 4, 2016

Math
5) Write an equation in point-slope form with the given: (5,-8),(5,8) 8) Write an equation in slope-intercept form for a line that passes through the point (2,-5) and is parallel to y = 11 : )
February 2, 2016

Math
correct, A
January 29, 2016

physics
A 1200kg car moves along a horizontal road at speed v0=23.3m/s,the road is wet, so the static friction coefficient between the road and the tires is only µs=0.209 and the kinetic friction coefficient is even lower µk=0.1463. The acceleration due to gravity is 9.8m/...
January 25, 2016

math
During a windstorm, part of the top of a flagpole breaks off. The broken top portion touches the ground at an angle of [c]5 deg 1[e] feet from its base (Note: if [e]=6, then 1[e]=16, and if [c]=3, then [c]5°=35°). how tall was the pole before the windstorm
January 24, 2016

chemistry
does it take time for oxygen and hydrogen to mix beucase of the room temperature?
January 24, 2016

chemistry
why is there no pop of pure oxygen and pure hydrogen?
January 24, 2016

Geology
(Magnetic inclination vs. latitude graph). Two igneous rocks crystallized at different times at the same geographic location on a continent. One rock crystallized at 120 Ma and records a magnetic inclination of 68 degrees; the second rock crystallized at 65 Ma and records a ...
January 22, 2016

chemistry
thanks bob
January 22, 2016

chemistry
what would be the name for these compounds? K3PO4? It's not Tripotassium phosphate. HCL? its not Hydrogen chloride.
January 22, 2016

trigonometry
tan3θ = 3tanθ - tan^3θ/ 1-3tan^2θ
January 21, 2016

Pre Calc
Find the vaule of sec(theta) for angle theta in standard position if the point at (3,-1) lies on its terminal side.
January 18, 2016

Math
Shadontay is going to the movies with two friends he buys a small popcorn that cost $2 the tickets and 1 popcorn cause a total $29 how much does one ticket cost
January 18, 2016

Chemistry
If a solution has a large Kb value, will it have a high pH?
January 17, 2016

geometry
thanks
January 16, 2016

geometry
how can i convert radians to degrees?
January 16, 2016

math
The perimeter of an equilateral triangle is 33.6 cm. How long is one side?
January 15, 2016

math
A jet flies at an altitude of 52,800 feet. What is the height of the jet in miles?
January 14, 2016

Science
Thank you
January 13, 2016

Science
which of the following is an example of a cyclic behavior that is seasonal? a. running from predators b. searching for water c. hunting at night d. migrating for warmth** I think its d
January 13, 2016

Physics
The rear window in a car is approximately a rectangle, 1.31 m wide and 0.390 m high. The inside rear-view mirror is 0.440 m from the driver's eyes, and 1.42 m from the rear window. What is the minimum height of the rear-view mirror if the driver is to be able to see the ...
January 8, 2016

algebra
i am trying to find the function equation knowing what x and y are. table: x | 0 | 9 | 8 | -3 | 2 | -5 | 20 f(x) | -1 | 4 | 4 | 2 | 9 | 8 | 0 problems: a. f(-3) b. f(20) c. If f(x) = 9, what is x? d. if f(x) - 4, what is x? these are some of the problems and i need to find an ...
January 5, 2016

Math geometry
An architect is designing an A-frame cottage for a resort. A cross section of the cottage is an isosceles triangle. The front wall of the cottage must accommodate a sliding door. Knowing that the architect is allowed a rectangular space of 240 m³ in volume to build inside...
December 28, 2015

Math
8x - 3x = 15 //Combine like terms 5x = 15 //Divide both sides by 5 to get x on one side 5x / 5 = 15 / 5 x = 3 //Test 8(3) - 3(3) = 15 24 - 9 = 15
December 20, 2015

math app
A salmon can swim 20 feet/sec downstream in a river. The salmon swims upstream at a rate of 6 feet/sec. Find the speed of the current. How do I set up the equation?
December 16, 2015

American History
Political parties are a principal means by which the people’s will is made known to the government and government is held accountable to the people. Briefly describe party functions that achieve these goals.
December 15, 2015

American History
Many people think that political parties make the will of the people known to government. They also argue that political parties hold the government accountable to the people. Think about what political parties do. Briefly describe how political parties keep government ...
December 15, 2015

Language Arts
Ok the ones I am not sure about are 2,3, 6, 7. Sorry I picked 4 its just I am confused about those
December 11, 2015

Language Arts
1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson authored the Declaration of Independence, the most important document in history.•• He ...
December 11, 2015

trigonometry
Solution of problem:from the top of a building 55 ft high, the angle of elevation of the top of a vertical pole is 12 degrees, At the bottom of the building, the angle of elevation of the top of the pole is 24 degrees. find the height of the pole.
December 4, 2015

Math
Fifteen Grade 2 children rode bicycle to school. Seventeen Grade 3 children rode bicycle to school. How many children in Grades 2and3 rode bicycles to school?
December 3, 2015

Pre calculus
Ok, thanks!
December 3, 2015

Pre calculus
Or d?? Actually, i think its D. Am i correct?
December 3, 2015

Pre calculus
So, C?
December 3, 2015

Pre calculus
Find the domain of the function. f(x) = sqrt 6-x A. (-∞, 6) (6, ∞) B. (-∞, sqrt6 ) (sqrt 6 , ∞) C. (-∞, sqrt6] D. (-∞, 6]
December 3, 2015

Physical Education 16-20
16. Identical twins often have similar interests even if they were not raised together. This shows how _______ influences personality development. modeling. a peer group. the environment. heredity.•• 17. People who lack self-respect likely have (1 point) a learned ...
December 3, 2015

Physical Education 11-15
11. __________ can help you reach your goals. (1 point) Eustress•• Distress A phobia A compulsion 12. Which of the following is NOT typically a stressor? (1 point) going for a walk•• missing the bus a fire alarm blaring a final exam 13. A person who ...
December 3, 2015

Physical Education 1-10
1. One of your friends plays video games for at least six hours each day and gets upset when he has to go eat dinner with his family. This is a sign of an anxiety disorder.•• a phobia. bipolar disorder. an impulse-control disorder. 2. A phobia is an example of a(n) (...
December 3, 2015

financial mgmt
Suppose a project has a $2,000,000 net investment and net cash flows (NCFs) of $700,000 annually for 7 years. If the investor's required rate of return is 10%, what is the NPV of this project?
December 1, 2015

Physics
Using 3 – 4 sentences, explain, in your own words, two ways you could cause an electrical current using only a wire and a horseshoe magnet.
November 30, 2015

microeconomics
A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the whole orchard and ...
November 27, 2015

multiple choice economics
Milk is considered a commodity because it is which of the following? A. bought in many different ways B. an inexpensive product C. the same no matter who sells it D. an agricultural product I think C..?
November 23, 2015

multiple choice economics
C?
November 23, 2015

multiple choice economics
Advances in technology have reduced the cost of manufacturing MP3 players. If demand does not change, A. more MP3 players will be sold at a higher price. B. fewer MP3 players will be sold at a higher price. C. more MP3 players will be sold at a lower price. D. fewer MP3 ...
November 23, 2015

Chemistry
A sample of Br2(g) takes 38.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
November 19, 2015

Chemistry
2.16
November 19, 2015

Chemistry
CO(g) effuses at a rate that is ______ times that of Xe(g) under the same conditions.
November 19, 2015

multiple choice economics
How does a person’s perception of a good as a necessity or a luxury affect his or her purchase of it? A. If a good is perceived as a luxury, demand becomes elastic. B. People who have a lot of money will buy goods even if they think they are a luxury. C. A good that is ...
November 19, 2015

multiple choice economics
Which law allowed states to pass right-to-work laws? A. Fair Labor and Standards Act of 1938 B. Taft-Hartley Act of 1947 C. Equal Pay Act of 1963 D. Civil Rights Act of 1964 I think its D
November 19, 2015

physics
A 70 kg man stands at the end of a 12 m long platform. The end opposite to the man rests on the edge of a wall, and a support column is located a distance d = 3 m from the end with the man. The platform itself has a mass of 300 kg. (a) How much weight does the column support...
November 18, 2015

Science: Chemistry
How many kilojoules are released when 115 g of Si reacts with chlorine? Si(s)+2Cl2(g)→SiCl4(g)ΔH=−657kJ
November 15, 2015

Science: Chemistry
Pentane (C5H12) burns in oxygen to produce carbon dioxide and water. C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) Calculate the mass of CO2 that can be produced if the reaction of 38.5 g of pentane and sufficient oxygen has a 58.0 % yield.
November 15, 2015

Algebra
ok heres what you shuold do Step 1:Draw the side view of your roller coaster on graph paper. For the sake of simplicity, assume that your roller coaster track never turns left or right. o In order to gain speed, the roller coaster should have an initial climb, at least two ...
November 15, 2015

chemistry
A standard sodium carbonate solution is prepared in a 250 cm^3 volumetric flask during a titration,20 cm^3 of a 0,1 mol.dm^-3 nitric acid solution neutralises 25 cm^3 of the above standard solution according to the following balanced equation 2HNO3(aq) Na2CO3(aq)=>2NaNO3(aq...
November 15, 2015

Chemistry
If the 50.00mL sample from problem 3 above was titrated with EDTA,what volume of a 0.00420 M EDTA solution would be needed to reach the endpoint? (Your answer should be given in milliliters.) (Problem 3 found that .0000625 moles of calcium carbonate were present in the sample)
November 13, 2015

Vocab
Choose the analogy below with the same relationship as - Downside is to Upside A. Big is large B. Outside is to inside C. Boy is to girl D. Unique is to Generic B??
November 12, 2015

Vocab
I’m excited about my vacation. The beach has been calling my name. A. Personification B. Irony C. Hyperbole D. Onomatopoeia A??
November 12, 2015

Vocab
My mom told me not to worry. We will cross that bridge when we come to it. A. Hyperbole B. Simile C. Metaphor D. Cliche D?
November 12, 2015

Vocab
That car is so expensive; it costs an arm and a leg. A. Pun B. Idiom C. Personification D. Metaphor Im debating between a pun and personification...???
November 12, 2015

Vocab
thank you Ms.Sue :)
November 12, 2015

Vocab
This movie is so boring; it’s like watching grass grow. A. Imagery B. Simile C. Pun D. Antithesis B????
November 12, 2015

Vocab
Valuable Goods A. Finances B. Records C. Stocks D. Commodities C
November 12, 2015

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