Total # Posts: 573
A hiker shouts when he is at the top of a mountain. He hears an echo 2.4 seconds later from the sounds reflection off a nearby mountain. Calculate how far he is from the nearby mountain. (Assume speed of sound in air is 340 m/s)
May 11, 2016
A cars value is declining exponentially. The car is currently 3 years old and has a value of 18,000. The car sold for 26,000 brand new. Find the rate at which the value of the car is decreasing. So far my equation is 18,000=26,000 (3-.04)^the But I'm not sure if that is right
April 21, 2016
replicate water samples were analyzed for water hardness with the following results : 102.2 , 102 .8 ,103.1, 102.3 of calcium trioxocarbonate . calculate the standard deviation of the mean and the coefficient of variation
March 19, 2016
Write the standard form of the line that passes through the given points. Include your work in your final answer. Type your answer in the box provided or use the upload option to submit your solution. (3, 1) and (-2, 3)
February 9, 2016
That does help. So if the protagonist is the "hero" of the story so the antagonist may be the guy against the protagonist right? Also Chingnong you need to be patient. I am sure somebody will help you before your final tomorrow
January 21, 2016
-Scale you will need to use _______________________ | Height:3 |6 | 8 |10 | |Burn time:45|80|120|150| |_______________________| The candle company wants a candle that will burn for the equivalent of 3 full days. Assuming the pattern continues, how tall should they make the ...
December 11, 2015
What is the probability of getting a license plate that has a repeated letter or digit if you live in a state that has one numeral followed by two letters followed by one numeral? (Round to the nearest whole percent.)
December 3, 2015
the current I in an electrical conductor varies inversely as the resistance R of the conductor . the current is 4 amps when the resistance is 280 ohms . what is the current when the resistance is 40 ohms ?
December 3, 2015
AP Human Geography
What role does migration play in the geographic pattern? Migration plays a big role in the geographic pattern. With migration you get different languages and types of people in various regions. This mixes the geographic pattern. How about interaction & ...
November 18, 2015
A farmer has 54m of fencing with which to build two animal pens with a common side. one pen is rectangular; the other is square. if the area of the pens is to be maximized, what are their dimensions?
November 12, 2015
An object initially at rest experiences an acceleration of 1.4 m/s² for 5.6 s then travels at that constant velocity for another 9.3 s. What is the magnitude of the objects average velocity over the 14.9 s interval?
September 9, 2015
A soccer ball is released from the top of a smooth incline. After 3.90 s the ball travels 10.0 m. One second later it has reached the bottom of the incline. Assume the ball's acceleration is constant and determine its value ( m/s2). How long is the incline?
September 7, 2015
reading and literature
"Human speech is like a cracked cauldron on which we bang out tunes that make bears dance, when we want to move the stars to pity." -Gustave Flaubert, Madame Bovary, 1856 The quote above is an example of a(n): A. simile B. alliteration C. irony D. metaphor
August 17, 2015
Curiosity for Mrs.Sue
Did you enjoy being a teacher? I do want to try and be a History Teacher or a English one. Stuck between the two. I'm just afraid of being an actual teacher. Though, I am only 17 and about to be a Senior, so I shouldn't really worry just yet.
July 10, 2015
An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the formula d = 16t2 + 1,000. Which inequality can be used to find the interval of time taken by the object to reach the height greater than 300 ...
July 10, 2015
As a bank loan officer looks over your business plan, which of the following statements is most likely to get more of her careful attention when she considers the progress your business will make?
June 24, 2015
A mass is being pulled forward at a constant velocity of 3 m/s with a force of 15 N. The weight of the mass is 9.0 N. What applied force must be exerted so that the mass will accelerate to 14 m/s in 4.0 seconds. *Another one I don't understand. I even tried converting the ...
June 19, 2015
A falling toy, mass 10.0 kg experiences an upward force due to air friction of 40.0 N. Find the acceleration of the toy. I honestly have no idea how to solve this question. Could someone please help me? :(
June 19, 2015
The lens and mirror in the figure below are separated by d = 1.00 m and have focal lengths of +74.8 cm and -42.2 cm, respectively. An object is placed p = 1.00 m to the left of the lens as shown.
April 30, 2015
Kick is family drank a total of 42.5 gallons of milk in Jan and Feb. her family drank 5.3 gallons more milk in Feb than Jan. How many gallons of milk did kilos family drink in February?
April 17, 2015
1 The principle of conservation of heat energy states that that when an object is at constant temperature or is in thermal equilibrium, it is losing and gaining heat at equal rates. the heat lost by a hot body is equal to the heat gained by the cold body in any system provided...
April 13, 2015
A box contained some red, blue, and green markers. For every 5 red markers, there were 2 blue markers. For every 3 blue markers, there were 5 green markers. a. Find the ratio of red markers to blue markers to green markers. b. When 6 red markers were removed from the box,3/7 ...
March 26, 2015
given a standard deck of 52 cards, 3 cards are dealt. If each card is replaced in the deck (and the deck is well shuffled) after being dealt answer the questions below. 1. If the first two cards are queens, what is the probability that you will be dealt three queens? 2/50 = 1/...
March 24, 2015
A bookshop has some faction and nonfiction books. 2/5 of. The books are fiction. Of these, 1/5 are mysteries. 1/3 of the. Nonfiction books are mysteries. What fraction of all the books are mysteries?
February 26, 2015
The cost of one pound of peanuts is 60% of the cost of one pound of cashews. If one pound of cashews costs $2, what is the cost of one pound of peanuts? What is the total cost of two pounds of peanuts and one pound of cashews?
February 2, 2015
A .523g sample of a mix of Na2co3 and Nahco3, is titrated with .1 HCl requiring 17 ml to reach the phenolphthalein end point and a total of 43.8 ml to reach the methyl orange end point. What is the percent of each of na2co3 and nahco3 in the mixture?
December 9, 2014
Gonorrhea is spread through ________. A. semen, vaginal fluid and kissing B. semen and vaginal fluid C. semen, vaginal fluid, and sharing cups D. semen, vaginal fluid, kissing and sharing cups B?
November 24, 2014
they would save 94 gallons. If they use 35gal/day= 245 gal for bathing in a week. 225+245= 470 gallons a week. if they reduced it by 1/5 just multiply the 470 by (1/5)= 94gallons.
November 18, 2014
mofor left home and drove south at an average speed of 21mph. emily left 2 hours later and drove in the same direction but with an average speed of 35mph. find the numbr of hours mofor drove before emily caught up.
October 16, 2014
exam three americangov section 3
What is the meaning of the cartoon? 5.0/5.0 A. Street mimes deserve their constitutional rights. B. The powers of Congress are limited. C. The powers of Congress are unlimited. D. Many federal laws tend to be unfair. Question 2 of 20 5.0/ 5.0 Points What is the theoretical ...
September 12, 2014
Ms. Sue please help! A radio signal travels at 3.00 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 10^7 meters? Show your work.
June 10, 2014
Ms. Sue please help! 7. Suppose you earned 7t 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) t + 4 dollars t 6 dollars 15t 6 dollars 15t + 4 dollars 8. f 2 ∙ f 3 (1 point...
June 10, 2014
7. Suppose you earned 7t 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) t + 4 dollars t 6 dollars 15t 6 dollars 15t + 4 dollars 8. f 2 ∙ f 3 (1 point) f 5 f 6 (2f)5 (2f)6 ...
June 10, 2014
2. Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass compare to the other? (1 point) The faster object has the same kinetic energy as the slower object. The faster object has less ...
June 7, 2014
Ms. Sue please help. 8. Which would best reduce the amount of energy needed to pull a wagon up a ramp? (1 point) increasing the slope of the ramp reducing the friction between the wagon wheels reducing the length of the wagon handle increasing the friction between the wagon ...
June 6, 2014
10. Metal cations are atoms that have a positive charge. What type of bond is a metal cation likely to form? (1 point) covalent bond double bond single bond ionic bond my answer is d
June 4, 2014
Mrs. Sue please help! 1. Which is most likely to be part of an ionic bond? (1 point) an atom with no valence electrons an atom with one valence electron an atom with two valence electrons an atom with three valence electrons 2. To form an oxygen molecule (O2), two oxygen atoms...
June 4, 2014
some more questions if you don't mind? 10. Use this passage to answer the following question: The Cotton Gin Andrea Brecheen The cotton gin was one of the most amazing and tragic inventions of early America. The cotton gin is credited to the brilliant and creative American...
June 1, 2014
Ms. Sue please help! 3. Read the passage and answer the question that follows: Many slaves preferred not to escape their horrible lives on plantations because their families were often with them. Despite the fact that slaves had no rights, they often found ways to sabotage the...
June 1, 2014
Ms. Sue please help! 1. Which factor contributed most to the beginning of the women's rights movement in the United States during the mid-1800s? (5 points) a dramatic increase in women's participation in the workforce a shift in social attitudes brought on by increased...
May 31, 2014
Ms. Sue please help. 1. Coupled with inactivity and poor eating habits, Cary usually feels very sluggish around 10:00 a.m., and his second period teacher has noticed he loses concentration during class. Which long-term health benefit could Cary improve with daily physical ...
May 30, 2014
Mrs. Sue please help! A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point) 1 over 4096 1 over 144 one over twenty four 1over14
May 26, 2014
Mrs. Sue please help me! 7. A bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? (1 point) seventy-seven over one hundred sixty-four nineteen over ...
May 26, 2014
Top ten scores on a quiz in two classes are listed below Class A 100,100,100,90,95,85,92,98,92,88 class B 100,100,98,95,95,96,95,92,81,88 which statement is true concerning the data a. the mode is the same for both classes b. the range is the same for both classes c. the mean ...
May 19, 2014
I'm having trouble trying to figure out how to setup and solve these problems: 1) 2,600.0 mL of air is at 20.0C. What is the volume at 60.0C? 2) A gas occupies 900.0 mL at a temperasture of 27.0C. What is the volume at 132.0C? 3) What change in volume results if 60.0 mL of...
March 19, 2014
Oxygen gas, from the decomposition of KClO3, was collected by water displacement. The pressure and temperature in the lab during the experiment were 451.0 torr and 20.0 C. What was the partial pressure of oxygen?
March 18, 2014
Ms.Jackson decided to do a little shopping after school. She stopped at target to buy two new cake pans. One had a 4in diameter and the other had a 8in diameter. How much greater is the area of the larger pan?
March 9, 2014