Saturday

May 28, 2016
Total # Posts: 573

**Science**

Calculate the density of a 45g nickel weight and a volume of 22 cubic centimeters.
*May 14, 2016*

**math**

by what approximate factor is the intensity of an earthquake with magnitude 5.4 greater than an earthquake with magnitude5.3?
*May 14, 2016*

**Physics**

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*

**math**

find the equation of the path of a point that moves so that its distance from (5, 0) is five~fourths of its distance from the line x=16\3
*May 8, 2016*

**College Algebra **

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*

**chemistry/statistics**

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*

**statistics**

I don't know what scale to use in plotting the graph of this table; T[k]. D(g/ml) 263. 13.62 273. 13.60 283. 13.57 303. 13.55 313. 13.52 323. 13.42
*March 19, 2016*

**algebra**

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*

**math **

If a plant if flying horizontaly at 400mph and drops a package that takes 1.6 sec to hit the ground. What altitude is it flying at in meters
*January 25, 2016*

**English**

Thank you
*January 21, 2016*

**English**

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*

**English**

I still don't understand. Is it the good guy or the bad guy. That's the part I am confused on
*January 21, 2016*

**English**

Thank-you very much
*January 21, 2016*

**English**

I don't get what a protagonist is... Please help.
*January 21, 2016*

**Pre Algebra**

-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*

**math**

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*

**math**

no clue . someone else please help
*December 3, 2015*

**math**

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*

**Math**

Ava pours 3 gallons of paint equally into 5 cans. How many gallons of paint will there be in each can?
*November 27, 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*

**Math**

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*

**Physics**

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 object’s average velocity over the 14.9 s interval?
*September 9, 2015*

**physics 201**

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*

**Math**

Simplify -4(9x-13)
*September 3, 2015*

**Math**

Pail has just enough money to buy 5 erasers and 30 pencils or 10 erasers and 24 pencil. Each eraser costs 30 cents. How much does each pencil cost?
*August 26, 2015*

**Life orientation**

criticality discuss six way's to human rights violation
*August 25, 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**

What does Jiskha mean? I saw this question got asked but not answered and it made me curious.
*July 16, 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*

**Curiosity for Mrs.Sue**

Mrs Sue, what is your worst subject since you seem to be able to answer them all!
*July 10, 2015*

**Algebra 2**

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*

**Business**

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*

**Physics **

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*

**Physics **

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*

**math plz help quick**

Um obviously 23 is the total whats the answer genius
*May 21, 2015*

**Math Help**

What are all the foci’s for this ellipse? x^2/9+y^2/16=1
*May 19, 2015*

**Physics**

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*

**Math**

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*

**Math**

The sum of two numbers is 70.4. One of the numbers is 9 times the other. What are the 2 numbers?
*April 17, 2015*

**PHY 113**

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*

**math**

A floor tile is 20 inches wide. If the perimeter of the tile is 72 inches, what is the length of the tile?
*April 9, 2015*

**Chemistry**

Calculate the value of ΔS when 1.10mol of Br2(l) is vaporized at 58.8 ∘C
*April 2, 2015*

**math**

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*

**Math**

1. 2/50=1/25 2. 48/50=24/25
*March 24, 2015*

**Math**

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*

**Math**

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*

**Math**

Lita typed 2 times as fast as kala. The ratio of the number of words kala typed to the number of words rose typed was 4:1. If rose typed 48 words, how many words did lita type?
*February 10, 2015*

**Math**

Kieran's savings is 9/2 of Simeon's savings. Simon saves 28 less than Kieran. How much do both of them save together.
*February 10, 2015*

**math**

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*

**Chemistry**

smaller
*February 2, 2015*

**LA**

No 5 is C
*January 26, 2015*

**LA**

Your First 4 are correct I took this test!! On Last one I Chose C but I cant remember if it was right or not
*January 26, 2015*

**english**

I don't know for sure but reading that question makes me thing Happy Activity!
*January 26, 2015*

**algebra**

annie=26 jared=10
*January 13, 2015*

**algebra**

how do i find the scale factor??
*January 12, 2015*

**Phy.Ed**

by breathing through you nose not your mouth.
*December 16, 2014*

**chemistry**

thank you DrBob222
*December 9, 2014*

**chemistry**

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*

**Health 2**

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*

**English**

how to write a conclusion for Tochi's essay?
*November 21, 2014*

**World History**

How did Jean Baptiste Colbert help France Become an economic power?
*November 20, 2014*

**propibility**

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*

**chemistry**

Find the pH of 1.0 x10-8 M KOH solution I tried to find it but i got 6 and thats acidic not basic.
*November 18, 2014*

**physics**

What about gravity?
*November 18, 2014*

**Algebra**

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*

**Language Arts - Please Check My Answers**

you are right
*August 29, 2014*

**Health Part 2**

Drinking too much increases your chances of being injured or even killed. niaas. gov
*August 18, 2014*

**algebra**

find the distance between (0,9)(-40,0) answer in simplest form id ont know where to start
*June 20, 2014*

**English**

Is Young Goodman Brown a dynamic character?
*June 13, 2014*

**Math**

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*

**Math**

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*

**Math**

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*

**Science**

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*

**Science**

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*

**Science**

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*

**Science **

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*

**History**

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*

**History**

do you think 8 is d?
*June 1, 2014*

**History**

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*

**History**

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*

**PE**

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*

**ALGERBRA**

The product of two consecutive positive integers is 1,332. Explain how you can write and solve a quadratic equation to find the value of the larger integer.
*May 29, 2014*

**math**

yes, it is, a is the right answer.
*May 26, 2014*

**math**

so a is the answer?
*May 26, 2014*

**math**

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*

**Math**

Never mind mrs. sue, I figured it out.
*May 26, 2014*

**Math**

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*

**Math**

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*

**math**

sorry 3 green tiles 2/35 1/9 16/225 2/21 ?
*May 19, 2014*

**Algebra 2**

Find the period and the amplitude of the periodic function. y=-4 cos 8x
*May 19, 2014*

**Math**

In triangle RST, angle S is a right and csc R=13/12. What is tan T? 13/5 12/13 12/5 5/12
*May 19, 2014*

**Algebra 2**

What is the magnitude of the vector with an initial point (2,1) and terminal point (-13,9)? Answers-7.9,12.7,17.0,23.0
*May 19, 2014*

**chemistry**

.62 mole
*March 19, 2014*

**Chemistry**

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*

**Chemistry**

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*

**Math**

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*

**geography**

What are the major challenges facing the Balkan countries?
*January 29, 2014*

**math**

what is the value of a saving account after 12years when $12,000.00 is initially deposited and interest is earned at the rate of 4.5% compounded quarterly
*January 22, 2014*

**Science help.**

What's bext
*January 4, 2014*