# kylie

Popular questions and responses by kylie-
## physics

A car starts from rest and travels for 5.0 s with a uniform acceleration of +2.5 m/s2. The driver then applies the brakes, causing a uniform negative acceleration of -3.0 m/s2. If the brakes are applied for 2.0 s, how fast is the car going at the end of

*asked on December 15, 2016* -
## Chemistry

Ethanol (C2H5OH) melts at -114 degrees Celsius. The enthalpy of fusion is 5.02 kj/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135 degrees Celsius to

*asked on May 4, 2014* -
## science

The pressure on a fluid at rest in a pipe increases by 20 Pa. How does this change in pressure affect the pressure on the fluid in the rest of the pipe? 1. The pressure in the rest of the fluid stays the same because the pressure only increased in one area

*asked on February 14, 2019* -
## science

A person exerts 80,000 Pa of pressure on the ground while standing on both feet. What would happen to the pressure if the person then stood on only foot, decreasing the area in contact with the floor to half the original? 1. The person would exert twice as

*asked on February 14, 2019* -
## science

A cabinet weighing 100 N is placed on a floor. The amount of contact area between the cabinet and the floor is 0.5 m2. How much pressure does the cabinet exert on the floor? 200 Pa 50 Pa 100.5 Pa 0.005 Pa I believe It is the third one. Is this correct?

*asked on February 14, 2019* -
## CHEMISTRY

Assuming equal concentrations, rank these aqueous solutions by their freezing point: LiSO4, Li3PO4, SnCl4, NH4Br. (from highest freezing point to lowest freezing poinT) Thanks.

*asked on February 18, 2012* -
## History

How did geography shape civilizations in ancient India and China? A) they built cities away from areas prone to flooding and dangerous weather B) they grew along rivers and other bodies of water C) they emerged where mountains and other natural barriers

*asked on October 26, 2016* -
## Math

I have a practice math test and I am stuck on a few. Please help :-) 1) Write the number of permutations in factored form. Then simplify. How many different ways can you and four of your friends sit in the back of a limousine? A) 4!; 24 B) 4!; 120 C) 5!;

*asked on May 28, 2015* -
## physics

The balance wheel of a watch oscillates with angular amplitude 1.7π rad and period 0.64 s. Find (a) the maximum angular speed of the wheel, (b) the angular speed of the wheel at displacement 1.7π/2 rad, and (c) the magnitude of the angular acceleration

*asked on January 9, 2011* -
## physics

Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Satellite A is to orbit at an altitude of 7460 km. Satellite B is to orbit at an altitude of 20500 km. The radius of Earth REis 6370 km. (a) What

*asked on January 3, 2011* -
## Biology/Health 12

Explain why only one corpus luteum may be found in the ovaries of a woman who has given birth to triplets. THANKS!

*asked on May 13, 2008* -
## Texas history

PLEASE HELP QUICKLY I NEED A 100 BY TONIGHT!!! 1. Which statement expresses the pattern of immigration between 2010 and 2013 to Texas from Mexico, Central America, and Asia: A. The Mexican and Central American share decreased; Asian share increased*** B.

*asked on April 11, 2017* -
## Geometry

what is the value of x in the diagram? A. 1/2 B. 4/21 C. 2 D. 4 The fractions for cross multiplication are 9/4x-2 and 12/3x+2 I tried to do it but it was not an answer and i dont know what i did wrong

*asked on March 7, 2017* -
## Algebra

Solve the system by substitution. -5x + y = -3 3x - 8y = 24 I'm not sure which equation to choose as I begin to find the y value. Some assistance would be greatly appreciated! Thank you!

*asked on March 26, 2015* -
## Algebra 2 HELP plz

An object is launched upward with an initial velocity of 64 feet per second from a platform 80 feet high. 1.) Write a height model for the object. I wrote my model as .... h=-16t^2 +64t +80 2.) How many seconds until the maximum height is reached? I had 2

*asked on November 12, 2014* -
## science

is cinnamon ionic or covalent

*asked on November 17, 2011* -
## physics

The horizontal surface on which the block of mass 5.1 kg slides is frictionless. The force of 62 N acts on the block in a horizontal direction and the force of 124 N acts on the block at an angle of 60 degrees. What is the magnitude of the resulting

*asked on October 1, 2011* -
## math

Sum the series 1*2+2*3+3*4+ ... +2019*2020

*asked on June 9, 2019* -
## Math

The odds of Macy passing her driver's test on the first try are 17:27 Determine the probability that she will pass her drivers test A. 1.588 B) 0.614 C) 0.630 D) 0.386 Is it C? (0.17 x 0.27)

*asked on November 3, 2017* -
## History

How does the story of the pandavas in the mahabharata relate to aryan history? the story provides a sense of the battles between rival aryan tribes the story shows us the aryan concept of the ideal king the story reveals that the aryans believed that duty

*asked on October 18, 2016* -
## AP Physics

Two people are standing on a 2.2-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 6.0-kg ball to the other, who catches it. The ball travels nearly horizontally.

*asked on November 26, 2014* -
## college chemistry

a 1.0kg sample of metal with a specific heat of 0.50KJ/Kg C is heated to 100.0C and then placed in a 50.0g sample of water at 20.0C . What is the final temperature of the metal and the water?

*asked on September 30, 2014* -
## math

there are 30 students and 4 teachers on a bus. What is the ratio of teachers to total people

*asked on November 4, 2008* -
## math

A house was purchased for $140,000. Three years later, the value of the house was $155,000. If the value V of the house increased linearly from the date it was purchased, which of the following represents the value, in dollars, of the house t years after

*asked on November 14, 2019* -
## math

Which property justifies each step? Problem A: 6a + (8b + 2a) = 6a + (2a + 8b)

*asked on September 3, 2019* -
## Chem

Determine the theoretical yield of aspirin for a student who started the experiment with 3.489g of salicylic asid

*asked on February 13, 2018* -
## physics

If a spherical glass marble has a radius of 0.00661 m at 1.02×105 Pa, at what pressure will it have a radius of 0.00650 m?

*asked on November 15, 2017* -
## Geometry

ABCD is a parallelogram with diagonals intersecting at E. If AE = 3x + 12 and EC = 27, find the value of x.

*asked on February 17, 2017* -
## Physics

A baseball of a mass 0.15 kg is thrown by a pitcher with a speed 20m/s. The bat is in contact with the ball for 0.01 second and gives it a speed of 30m/s in a direction straight towards the picther.find the value of the force and the impluse?

*asked on October 3, 2016* -
## AP Physics

A honeybee with a mass of 0.175 g lands on one end of a popsicle stick (Active Example 9-2). After sitting at rest for a moment, the bee runs toward the other end with a velocity 1.47 cm/s relative to the still water. What is the speed of the 5.20 g stick

*asked on November 26, 2014* -
## Algebra

DeSean throws a ball up with an initial vertical velocity of 30 feet per second from a platform that is at ground level. How long will the ball be in the air?

*asked on April 4, 2014* -
## CHEMISTRY

Equilibrium Equation with Partial Pressures PCl3(g) +Cl2(g) PCl5(g)? An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respectively. A quantity of Cl2(g) is injected into the mixture, and

*asked on March 9, 2012* -
## music

twentieth-century music features more _____ instruments than music of other periods a. string b. percussion c. woodwind d. brass

*asked on February 12, 2010* -
## geography

if you didn't understand a symbol on a map where would you look?

*asked on October 9, 2008* -
## American government

help plzz summarize the specific methods used by interest groups in order to influence governmental decision making in all three branches of government. provide at least two examples from each branch

*asked on April 15, 2019* -
## algebra

A rectangle has a length that is 10 less than 3 times the width. If the rectangle has an area of 8 square feet, what is the width of the rectangle. I have to find the answer in meters, some please give some assistance.

*asked on January 14, 2019* -
## algebra

Which equation is the standard form of −56x+14x^2=−51? 14x^2−56x+51=0 14x^2+51−56x=0 −56x+14x^2−51=0 14x^2−56x−51=0 I do believe it is A or D, is one of these correct?

*asked on January 12, 2019* -
## English

For each of the following sentences, you have to determine whether or not the pronouns were used correctly. If all of the pronouns in the sentence are used correctly, you have to write "correct" and identify the case of each pronoun (list the pronoun, then

*asked on January 8, 2019* -
## physics

what happens to the amount of power a light bulb uses if the resistance of the bulb is increased?

*asked on February 27, 2018* -
## Math

Without changing the order of the numbers below, insert parentheses and/or addition signs so that the computation results in the number described below. 4 3 6 1 A. The number is a multiple of 5. B. The number is a factor of 36.

*asked on October 25, 2017* -
## Algebra

Write the equation for the conic section of the cone is centered at (0,0), the major axis is 10 units and the minor axis is 6 units. (Ellipse) Write the equation for the conic section if the vertex is (-6,4) and the focus is (-6,7) (Parabola) Write the

*asked on May 10, 2017* -
## Math

4. Start time: ___________ Elapsed time: 3/4 hour End time: 10:30 A.M.

*asked on April 21, 2016* -
## Maths

The ratio of girls to bus in Year 8 at a particular school is 2:5. How many total students are there in Year 8 if there are 26 girls?

*asked on March 29, 2016* -
## MATH

Which ordered pairs are solutions to the equation? y = 3x – 4 A. (11, 5) and (2, 2) B. (5, 11) and (3, 2) C. (5, 11) and (2, 3) D. (5, 11) and (2, 2)

*asked on February 23, 2016* -
## Biology

How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid

*asked on February 9, 2016* -
## physics

Jessica stretches her arms out 0.6 m from the center of her body while holding a 2 kg mass in each hand. She then spins around on an ice rink at 1.1 m/s.

*asked on February 5, 2016* -
## Math

The scale of a certain map is 1cm to 25km.What is the actual distance represented by 2.80cm?

*asked on December 28, 2015* -
## Algebra

Solve by elimination. -4x + 9y = 9 x - 3y = -6

*asked on March 27, 2015* -
## Science

A lead fishing weight with a mass of 57g absorbs 146 cal of heat. If its initial temperature is 48 C, what is its final temperature?

*asked on January 26, 2015* -
## AP Physics

The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.013 kg, and its velocity is +725 m/s. Her

*asked on November 26, 2014* -
## AP Physics

A person stands in a stationary canoe and throws a 5.16-kg stone with a velocity of 7.75 m/s at an angle of 31.5° above the horizontal. The person and canoe have a combined mass of 105kg. Ignoring air resistance and effects of the water, find the

*asked on November 26, 2014* -
## math

What are the answers to the middle school math with pizzazz book e page 29?

*asked on December 4, 2013* -
## Math

a poll found that a particular group of people read and average or 18.3 books per year. The pollsters are 99% confident that the result from this poll is off by fewer than 3.79 books from the actual average x. express this situation as an inequality

*asked on September 27, 2012* -
## math

Write four arithmetic means between 35 and 98.

*asked on May 2, 2012* -
## algebra 2

A player bumps a volleyball with an initial vertical velocity of 20 ft/s. The height of the ball can be model by the function h(t) = -16t2 + 20t + 4, where h is the height in feet and t is the time in seconds. a. What is the maximum height of the ball? (

*asked on August 5, 2011* -
## math

scott bought two items at daves fruit market. the cashier told him that he owed $5.49. why is the cashier incorrect? what did scott purchase? DAVE'S FRUIT MARKET grapes $2.25/bag bananas $ 1.99/bag strwberries $3.40/box watermelon $5.00

*asked on April 18, 2011* -
## World History

What is the diffrence between totalitarianism and Fascism? which countries in WW2 went to which between the two? what where thier goals?

*asked on March 14, 2011* -
## physics

Assume a planet is a uniform sphere of radius R that (somehow) has a narrow radial tunnel through its center. Also assume we can position an apple anywhere along the tunnel or outside the sphere. Let FR be the magnitude of the gravitational force on the

*asked on January 2, 2011* -
## Literature

I did already ask a question similar to this, but I still need some more ideas. I can't think of anything (such as a story) that has to do with this topic "People only find strength through the weakness of others" Anything like a children's story to one

*asked on September 27, 2007* -
## Literature

I need to come up with a metaphor for chapter 15 in "The Red Badge of Courage" In this chapter: Crane reveals in this chapter a person who rationalizes his behavior totally, a personality with delusions of grandeur—but with no basis for these

*asked on September 27, 2007* -
## reflex

Which of the following is not an example of an occurrence that might spur a reflex action? heat choking walking fear if i could pick one, it would be walking because heat causes you to have a reflex and pull away and choking causes a reaction as well, as

*asked on November 26, 2006* -
## English

Hi! I would like to know some PLOT TWISTING events in the story Walk Two Moons! If I could have at least one example directly from the story I will be very great full! Thanks!

*asked on April 17, 2020* -
## Social Studies

Which of the following was a cause of the Great Depression? A. increases in migrant workers B. new music called jazz C. Americans buying with credit D. the prohibition of alcohol This is probable very easy but i'm very confused i think it's A. but if

*asked on March 9, 2020* -
## Math

30% of 50

*asked on February 10, 2020* -
## Social studies

How did John browns raid at harpers ferry further increase sectionalism in the southern states

*asked on February 3, 2020* -
## Math

One window washer can wash 30 windows in 2 hours. At this rate, how many windows can be washed in 8 hours by 3 window washers?

*asked on January 30, 2020* -
## Science

What causes change in speed and direction or both

*asked on November 20, 2019* -
## Science

Lucas place is 20 kg samples of each substance by the same heat source all samples are at the same intentional temperature which substance will have the greatest temperature at the sun. Of tiLucas place is 20 kg samples of each substance by the same heat

*asked on November 20, 2019* -
## Math

PJ needs $60 for a class trip. He has $32 already saved and can earn $4 an hour mowing lawns. How many hours must PJ work to have the money he needs? Write an Equation and solve

*asked on October 19, 2019* -
## algebra

A rectangle has a width that is 3 less than twice the length. If the rectangle has an area of 170 square inches, what is the length of the rectangle? PLEASE HELP

*asked on January 14, 2019* -
## algebra

A triangular lot in a park has a base with a measure that is 4 more than twice the height of the lot. The area of the lot is 99 square feet. Since the area of a triangle is found by using the formula A= 1/2bh, the area for this lot can be represented by

*asked on January 14, 2019* -
## algebra

The width of a rectangle is 12 less than twice the length, and the area of the rectangle is 270 m^2 I do not know the steps to solving this equation, can someone please explain if you know how???

*asked on January 14, 2019* -
## algebra

Legolas shoots a flaming arrow straight up into the air (from a distance of 2.6 meters from the ground) at 42 meters per second. The gravitational pull of the Earth is about 4.9 meters per second squared. Which quadratic equation correctly models this

*asked on January 13, 2019* -
## algebra

Which of these expressions is equivalent to z^8–1? (z^4+1)(z^2–1)(z–1)(z–1) (z^4–1)(z^2–1)(z–1)(z–1) (z^4+1)(z^2+1)(z+1)(z–1) (z^4+1)(z^2+1)(z–1)(z–1) I Think it is either A or C, is one of these correct?

*asked on January 12, 2019* -
## Math

Which of these expressions is equivalent to x^4–16? (x^2+4)(x–2)(x+2) (x^2–4)(x^2–4) (x+2)(x–2)(x+2)(x–2) (x^2–2)(x^2–2) I know it is not B or D. But I am not sure if it is A or C. Please help

*asked on January 12, 2019* -
## algebra

Look at the system of equations below. If you were to substitute the first equation into the second, what would the result look like? y = 2x - 4 x - 3y = 7 a).2x - 4 - 3y = 7 b).x - 3(2x - 4) = 7 c).x - 2x - 4 = 7 d).x - 7 = 2x - 4 I really need help with

*asked on January 12, 2019* -
## algebra

How is the process of solving literal equations different from solving equations with only one variable? I have looked over my notes, and me lessons, but I can not come up with a good answer, or explanation;( Please help, it would be very much

*asked on January 9, 2019* -
## Math

Convert the following to a rational exponent. What is your exponent in simplest form? cuberoot(9^12) a).3/12 b).1/4 c).4 d).12/3 I think the answer is is d.

*asked on January 4, 2019* -
## Algebra 9th

There is currently 2 inches of snow on the ground in a certain Massachusetts city. Every hour, another 0.5 inches covers the ground. Model the total amount, T, of snow on the ground for h, the number of hours the snow has been falling. A. T(h) = 0.5h - 2

*asked on November 23, 2018* -
## Math

[7+2(5 - 9)2]/[(4+1)2 - 3(22)

*asked on October 23, 2018* -
## Chemistry

Why are the atomic masses of elements usually decimal numbers?

*asked on May 24, 2018* -
## Chemistry

Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer.

*asked on May 24, 2018* -
## Math

Teaghan plays basketball. She scored 18 of her 20 last free throws. ___ A) What are her odds in favour of her scoring a free throw? ___ B) What are her odds against of her scoring a free throw? ___ C) What is the probability of her scoring a free throw?

*asked on November 3, 2017* -
## Math

Insert parentheses and/oraddition signs to make each equation true. Remember that parentheses can indicate multiplacation. A. 3 2 4 1= 13 B. 3 2 4 1= 21 C. 3 2 4 1= 12 D. 3 2 4 1= 10

*asked on October 25, 2017* -
## English

What is an external conflict in act one of Julius Caesar?

*asked on March 7, 2017* -
## Geometry

What are the values of a and b? A. a=9/2 b=15/2 B. a=15/2 b=9/2 C. a=16/3 b=15/2 D. a=9/2 b=13/2 The triangle has a hypotenuse that is 8 and a with the other side being 10 and another side of b. the altitude is 6.

*asked on March 7, 2017* -
## Hisory

I have some questions from a study guide that I can't find information on. What practices did Kublai Khan follow? What was significant about the size of the Mongolian empire? What was the effect of the Mongol conquest of Korea ?

*asked on March 2, 2017* -
## Social Studies

Would surviving the holocaust affect religion or spirituality? Why?

*asked on February 20, 2017* -
## physics

A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in 3.05 s. You may ignore air resistance, so the brick is in free fall. (a) How tall, in meters, is the building? (b) What is the magnitude of the brick's

*asked on December 15, 2016* -
## physics hw

Determine the stopping distances for a car with an initial speed of 87 km/h and human reaction time of 2.0 s for the following accelerations. (a) a = -4.0 m/s2 (b) a = -8.0 m/s2

*asked on December 15, 2016* -
## Math

Justine has 162 red buttons, 98 blue buttons, and 284 buttons. She says she knows she has more than 500 buttons without adding. How can we explain that without adding?

*asked on November 10, 2016* -
## Math

What is an estimate of the solution of the equation 6n+3=2? Use a table ok so I know the answer is -1/6 but its asking to use a table? does anyone know what kind of table you use for this and how I'd use it? thank you soo much

*asked on October 21, 2016* -
## Math

Mary has 2/5 of a mile to walk harry needs to go 3/4 times as far as mary???

*asked on September 20, 2016* -
## physics

a diver of mass 60kg stands on the end of a diving board of mass 30kg and length 2m. calculate the force exerted by the spring 30 cm away from the pivot. (i think that the force asked is 300N since W=mg (30×10)) hence, calculate the upward reaction force

*asked on September 2, 2016* -
## math ASAP

A rope was cut into two pieces in the ratio 7:9 if one was longer by 6cm,what are the lengths of the two pieces? a.21 cm and 27 cm b.24 cm and 30 cm c.26 cm and 32 cm d.31 cm and 37 cm Please help me how to answer this..its for my report thank you

*asked on August 23, 2016* -
## Math

Ronnel spent 1/5 of his money to buy a food. He spent 1/4 of the remaining money to buy a magazine.If he had 360 pesos left in his wallet, how much money did he have at first?

*asked on July 4, 2016* -
## Math

5. Start time: 7:30 P.M. Elapsed time: ____________ End time: 9:29 P.M.

*asked on April 21, 2016* -
## Math

3. 270 min = ____hr ____min

*asked on April 21, 2016* -
## Math

2. 260 wk = ____yd

*asked on April 21, 2016* -
## Math

1. 2 yd = ____d

*asked on April 21, 2016*

## Pages

**1**- 2