# Posts by EMILY

Total # Posts: 2,962

**Physical science**

Explain why an endothermic reaction might cause a drop in temperature.

*March 22, 2017*

**Chemistry**

A store receives a shipment of defective balloons. Each has a tiny pinhole of the same size. If one balloon is filled with helium and another is filled with air to the same volume and pressure, which balloon will deflate faster and how much faster? The density of helium at ...

*March 22, 2017*

**Algebra**

Four workers are hired to weed a field by hand. Each is given a plot which is 12×7 feet in size. What is the total area of the field? 4(12×7)=x 4×84=x 336=x

*March 21, 2017*

**American Government**

those don't really show how the evolution has mirrored the evolution of the nation

*March 18, 2017*

**American Government**

As the country has grown and evolved, so too has the Executive Office of the President and the independent agencies. Give FOUR specific examples demonstrating how the evolution of the executive branch has mirrored the evolution of the nation. Include at least ONE pre-twentieth...

*March 18, 2017*

**algebra**

Solve 3x+10>=4 A. x>=-2 B. x<=2 C. x<=-2 D. x>=2

*March 14, 2017*

**Algebra**

There are 13 animals in the barn. Some are chickens and some are sheep. There are 32 legs in all. How many of each animal are there?

*March 6, 2017*

**Chemistry**

What is the volume of a 5.2 molarity solution made with 115g of LiF? I've only learned in class how to go from volume to molarity. How do you do this one?

*March 2, 2017*

**Physics**

A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 9.40 m/s at an angle of 21.0Â° below the horizontal. It strikes the ground 6.00 s later. (a) How far horizontally from the base of the building does the ball strike ...

*February 26, 2017*

**Physics**

The place kicker on a football team kicks a ball from ground level with an initial speed of 8.30 m/s at an angle of 19.0° above the horizontal. How long is the ball in the air before it lands on the ground again? You may neglect air resistance.

*February 26, 2017*

**math**

-8x+20

*February 23, 2017*

**math**

x^3+x^2+bx+18

*February 23, 2017*

**math**

-8x 20 is a tangent to f(x) x^3 x^2 bx 18 at x=1 calculate the values of a and b I tried the question but I failed

*February 23, 2017*

**Chemistry**

What mass of solute is needed to make the following solutions: 0.238 M FeCl3 solution in 1000. mL of solution.

*February 22, 2017*

**Social Studies**

How did the British attempt to enforce the writs of assistance? Thank you for the help~

*February 21, 2017*

**Algebra**

Amelia chose 3 CD's that each cost $16. The sales tax on the three CD's is $3.96. Write a direct variation equation relating sales tax to the price.

*February 21, 2017*

**algebra**

Annabelle and Navene are multiplying (4275)(4372). Annabelle's Work (4275)(4372) = 4^2 + 375 + 2 = 4577 Navene's Work: (4275)(4372) = 42â‹…375â‹…2 = 46710 Is either of them correct? Explain your reasoning.

*February 17, 2017*

**math**

Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (9, 2), (-9, 2) (9, 2), (-9, -2) (9, 2), (9, -2) (9, 2), (2, 9)

*February 16, 2017*

**Chem**

Complete and balance each of the following molecular reactions. Indicate the phase of each species. If no reaction occurs, write N.R. A) ____ Na2CO3 (aq) + ___ Mg (NO3)2 (aq) --> B)____ K2SO4(aq) + ___ Fe(CH3CO2)2 (aq) --> C)___ AlCl3 (aq) +____ K2S (aq) Please help and ...

*February 14, 2017*

**Chemistry**

Complete and balance each of the following molecular reactions. Indicate the phase of each species. If no reaction occurs, write N.R. A) ____ Na2CO3 (aq) + ___ Mg (NO3)2 (aq) --> B)____ K2SO4(aq) + ___ Fe(CH3CO2)2 (aq) --> C)___ AlCl3 (aq) +____ K2S (aq) Please help and ...

*February 13, 2017*

**umm**

I'II be careful

*February 12, 2017*

**umm**

Oh I'm sorry.

*February 12, 2017*

**umm**

Thank you so much

*February 12, 2017*

**umm**

How do you concentrate on studying vocabulary words?

*February 12, 2017*

**English**

Awh gosh, I don't really know

*February 12, 2017*

**English**

In my opinion, I think the man is wearing a top hat and bow tie.. bowing to a lady

*February 12, 2017*

**English**

Umm, be polite to others? >.<

*February 12, 2017*

**English**

Also, the instructions asked that after identifying the words, it asked me to find its meaning

*February 12, 2017*

**English**

Wearing a top hat and bow tie?

*February 12, 2017*

**English**

Is it bowed?

*February 12, 2017*

**English**

Please help me. I don't how this is a personification. Wearing a top hat and bow tie, the rabbit bowed politely to the turtle.

*February 12, 2017*

**English**

What is the personification for each one of these sentences? The soft chair wrapped its padded arms around Lisa The stairs groaned in agony as Phillip carried the heavy boxes o the attic Please help!

*February 12, 2017*

**Chemistry**

What is the molality of a solution of water and KCl if the boiling point of the solution is 103.07°C? (K subscript b equals 0.512 degrees C/m solution; KCl is an ionic compound right parenthesis A: .300 B: .600 C: 3.00 D: 6.00 I'm really confused as to how to solve ...

*February 10, 2017*

**Calculus**

Suppose that a car dealer offers to sell you a car for $16500 or for payments of $275 per month for six years. To figure out what monthly interest (x) you’re actually being charged, you’d have to solve the equation:f(x)=60x(1+x)^72-(1+x)^72+1=0

*February 9, 2017*

**American History**

Okay, Thank You Ms. Sue

*January 30, 2017*

**American History**

for the other questions that I have tried looking for the answers but i have failed to do so. There are no articles that are specific enough in answering the problem.

*January 30, 2017*

**American History**

It said that the "The word NAZI is an abbreviation for the word Nationalsozialist"

*January 30, 2017*

**American History**

Yes I have, but im not sure if it is National Socialism

*January 30, 2017*

**American History**

Ms. Sue please, i cannot find the answers

*January 30, 2017*

**American History**

What does NAZI stand for? Why does the Nye Committee encourage Isolationism? Why did Congress pass the Neutrality Act of 1935 and what are the exact terms of the Act? List 3 specific outcomes of the Spanish Civil? What are the terms of the Neutrality Acts of 1937

*January 30, 2017*

**Calculus **

I am having trouble with this question and I am unsure how to solve it... True or False (with justification) The function sin(x) if x ? 0 f(x) = 1+cos(x) if x>0 has a jump discontinuity at x = 0.

*January 29, 2017*

**English**

According to the speaker in "Mending Wall" by Robert Frost, why does the neighbor feel that good walls make good neighbors? A. They create a barrier from having to talk to one another often. B. They maintain privacy and prevent meddling. C. They physically display ...

*January 26, 2017*

**social **

I have a couple questions to which I've replied under this: social studies political cartoon - Emily, Thursday, January 26, 2017 at 4:40pm If you could please take a look at them. Thank you!

*January 26, 2017*

**social studies political cartoon**

"How's this: you teach us how to irrigate and plant corn, and we'll decimate your tribe and name a baseball team after you." If you type this in you will get the political cartoon to which I'm referring to

*January 26, 2017*

**social studies political cartoon**

4) What stereotypes can you identify in the cartoon? This question is difficult for me than the rest of them. I feel that maybe a stereotype can be that the Europeans have more knowledge than the natives or that the natives are less intelligent than the natives. This can be ...

*January 26, 2017*

**social studies political cartoon**

Oh thank you. Never really saw that perspective on the cartoon. 2) What point does author make about exchange of technologies between the 2 cultures? I think that the author is showing that exchange of technology can lead to one culture having more advantage. The Europeans are...

*January 26, 2017*

**social studies political cartoon**

Not guy I apologize for my incorrect grammar. I meant the answer. Next time I'll make sure I make no grammar mistake sorry.

*January 26, 2017*

**social studies political cartoon**

But I have a questions about this. What do you think the cartoonist is saying about cultural contact between the first peoples and Europeans. I think that cultural contact of first peoples and Europeans can lead to one being more dominant. Maybe unfair deal?

*January 26, 2017*

**social studies political cartoon**

Oh okay thanks. But would this be the guy answer?

*January 26, 2017*

**social studies political cartoon**

"How's this: you teach us how to irrigate and plant corn, and we'll decimate your tribe and name a baseball team after you." Above is the political cartoon. I think this image shows that dominant power rules the minority power. Or that cultural contact ...

*January 26, 2017*

**physics**

A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?

*January 24, 2017*

**physics**

A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?

*January 24, 2017*

**Science**

A football player makes a tackle to stop a touchdown.What will happen to the offensive player?What law of motion applies and why?

*January 24, 2017*

**Science**

A car is moving down a straight road.Suddenly a cat jumps in front of the car.The driver slams on the breaks and the passenger goes flying forwards.Why?What law of Newton applies to this situation?

*January 24, 2017*

**integrated science**

Two individuals on roller blades push off each other.One weighs 45 kg and the other weighs 40 kg.who will travel further and why.Is the force balanced or unbalanced

*January 24, 2017*

**Geometry probability**

Betty picks 4 random marbles from a bowl containing 3 white, 4 yellow, and 5 blue marbles. The probability that exactly 1 of the 4 marbles drawn is blue is _____ (I know that the probability is 5/12 and that simplifies to 0.4166 but that is not one of the answer choices) the ...

*January 24, 2017*

**American Government**

Why do presidents prefer federal judges who tend to agree with their views?

*January 22, 2017*

**College Math - Quantitative Reasoning**

Please, so, how, when I get to the answer of 80.44 (from multiplying as i stated above) do I determine what the percentage increase is?

*January 16, 2017*

**College Math - Quantitative Reasoning**

I know the actual answer is 19.6, but I am not getting that answer with my calculations. I don't want to move on until I understand what I am doing wrong. :(

*January 16, 2017*

**College Math - Quantitative Reasoning**

How do I go about finding the correct percentage? I'm on MathLab, so every time I get the question wrong, they give me the exact same problem/scenario, but with a single digit difference. My calculations must be off somewhere because I still can't seem to get the ...

*January 16, 2017*

**College Math - Quantitative Reasoning**

Hello, I could really use some help with this problem. If the national economy shrank at an annual rate of 7?% per year for three consecutive? years, then the economy shrank by 21?% over the three?-year period. - Of course, I understand 7% would be 93. I have tried doing E x 0...

*January 16, 2017*

**mathematics**

the first four terms of an arithmetic sequence are -1; x ; 3 ; x+8 find the value(s) of x I did the question I can find the values of x

*January 15, 2017*

**French**

Are these sentences grammatically correct? If not, I need help to double check if I am right. Thank you! A) 1. This story is different compared to the story of my childhood. Cette histoire est différente par rapport à l'histoire de mon enfance. 2. I never ...

*January 11, 2017*

**math**

A board 5 feet long slides down a wall. At the instant the bottom end is 4 feet from the wall, the other end is moving down the wall at a rate of 2 feet per second. At the moment, how fast is the bottom end sliding along the ground?

*January 8, 2017*

**math**

an airline company offers a round-trip group flight from New York to London. If x people sign up for the flight, the cost of each ticket is to be 1000-2x dollars. Find the maximum revenue the airline company can receive from the sale of tickets from the flight?

*January 8, 2017*

**Math**

A toolshed with a square base and a flat roof is to have a volume of 800 cubic feet. If the floor costs $6 per square foot, the roof $2 per square foot, and the sides $5 per square foot, determine the dimensions of the least expensive shed.

*January 8, 2017*

**Math**

The width of a rectangle is two thirds its length the width of the rectangle is 10 inches what is the perimeter of the rectangle and what is the area of the rectangle

*January 3, 2017*

**Physics**

I understand this question: 4. If a pendulum completes 40 vibrations in a minute, what is its period? The period is the time for one complete cycle, and if the pendulum takes one minute (or 60 seconds) for 40 vibrational cycles, then it must take 1.5 seconds for one complete ...

*December 28, 2016*

**math**

24. Four friends attempted to write the explicit expression for the nth term of the sequence 2, 5, 10, 17, …. 24. Four friends attempted to write the explicit expression for the nth term of the sequence 2, 5, 10, 17, …. If n represents the set of counting numbers, ...

*December 21, 2016*

**Math algebra**

The radioactive decay of a substance is expressed by A=A^0 e^ -kt, where the initial amount A^0, decays to an amount A after t years. The positive constant k differs for each substance. Strontium 90 decays such that k=.028. Find out how much of 1,000 mg of strontium 90 remains...

*December 15, 2016*

**Math**

2/9x3

*December 14, 2016*

**English**

What is the importance of an individuals response to conflict? I have somewhat an idea but I would like to have different perspectives of people on this question so I can somewhat incorporate it into my response.

*December 13, 2016*

**math**

how do i put 32 ninths as a fraction on a numberline

*December 12, 2016*

**Physics**

The heat of fusion for water is 3.3 x 105 J/kg. How much heat energy is needed to can 3kg of ice at 0°C to water at 0°C? Show your work. Help please!! Don't give the answer, but please help me find the answer?! Thanks

*December 7, 2016*

**Calculus**

What would the smallest positive integer be for n if: y=sinx and y^(n) means the nth derivative of y with respect to x.

*December 6, 2016*

**Math**

Find d^2y/dx^2 at point P(2,1) if y is a differentiable function of x satisfying the equation: x^3+2y^3=5xy

*December 5, 2016*

**Math**

The average score on a recent test was 75%. One of the students earned a grade of 93% while another student earned a grade of 78%. A total of 23 students took the test. Find the average grade of the remaining 21 students.

*December 1, 2016*

**College alegbra**

A rancher wants to create a fence enclosing 1500 m2 of land. The plot will be divided into two equal areas by an additional fence parallel to two sides as shown in the diagram below. Find the dimensions of the plot which results in using the least amount of fencing. a. Write ...

*November 30, 2016*

**Math**

Find the integral ?(x^2-6x+1)/(x^2+1) dx

*November 30, 2016*

**Math**

If I spent 1/3 of my money on a pen and 4/7 on books how much do I have left?

*November 29, 2016*

**Math**

How many 6-inch long pieces of ribbon can be cut from a piece that is 3 yards long?

*November 29, 2016*

**Chemistry**

What volume of hydrogen, reacting with nitrogen, will produce 500 dm^3 of NH3 at STP?

*November 27, 2016*

**Math algebra**

If f(x) =2x-1, then f^-1(x)=???

*November 27, 2016*

**Trig**

What are the focus and directrix of the parabola represented by the equation:8(y-6)=(x+2)squared?

*November 21, 2016*

**English**

Poem Meaning "I had sat within that marble circle where the Oldest bard is as the young, And some orient dawn had found me kneeling On the threshold of the House of Fame" Flower of Love by Oscar Wilde

*November 20, 2016*

**Math**

Didn't work

*November 18, 2016*

**Math**

Find the average value of the function over the given interval and all values of x in the interval for which the function equals its average value. f(x) = 4x3 ? 3x2, [?1, 2]

*November 18, 2016*

**art/history**

which of the following is not an element of baroque or rococo architecture a movement b columns c ornamentation d minimalism

*November 16, 2016*

**math**

the mass of a moon rock is 3.5 kilograms what is the moon rock in grams

*November 14, 2016*

**Social Studies**

How did early humans use fire?

*November 13, 2016*

**math- Trigonometry**

A wire is attached to a cell phone tower at Sunshine Village. The wire is 15.6m in length, and the angle of elevation is 54°. What is the distance between the wire and the base of the cell phone tower, along the ground, correct to the nearest tenth of a unit?

*November 12, 2016*

**math- Trigonometry**

Ok thanks. But you are sure it is 100% correct right? I'm sorry I'm just asking because I have a test this week and I'm stressed out..

*November 11, 2016*

**math- Trigonometry**

A laser pointer attached at the top of a lighthouse emits a beam that makes contact with a ship in the ocean below. The length of the laser beam is 9.8km. If the ship is 4.0km from the base of the lighthouse, determine the measure of the angle of depression, correct to ...

*November 11, 2016*

**Math**

Susie has eight pieces of string. Three pieces are 7.8 inches long, and five pieces are 9.2 inches long. How many inches of strength does Susie have altogether?

*November 9, 2016*

**Math**

Susie has eight pieces of string. Each string measures 6.5 inches long. How many inches of string does Susie have altogether

*November 9, 2016*

**Calculus**

A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. An industrial tank of this shape must have a volume of 1600 cubic feet. The hemispherical ends cost twice as much per square foot of surface area as the sides. Find the dimensions that ...

*November 3, 2016*

**Calculus**

A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. An industrial tank of this shape must have a volume of 1600 cubic feet. The hemispherical ends cost twice as much per square foot of surface area as the sides. Find the dimensions that ...

*November 3, 2016*

**Calc**

Find the length and width of a rectangle that has the given area and a minimum perimeter. Area: 50 square feet

*November 3, 2016*

**Calculus**

Find the particular solution that satisfies the differential equation and the initial conditions. f''(x) = x^2 f'(0) = 8, f(o)=4 f'(t) 10t - 12t^3, f(3) =2

*November 1, 2016*

**Calc**

A baseball is thrown upwards from a height of 2 meters with an initial velocity of 10 meters per second. Use the fact that -9.8 meters per second squared is constant acceleration due to gravity to answer the following: The maximum height of the ball The time it takes for the ...

*November 1, 2016*