Thursday

April 17, 2014

April 17, 2014

Total # Posts: 156

**Math**

Two ships left the same port at the same time. One travelled at 16kn/h on a course of 275 degrees while the other at 20 km/h of 225 degrees. How far apart are the ships after a. 2 hours? b. 4 hours? *note: this is a trigonometry question using the cosine law. Thanks!

**English Project**

Yes, I got the other question! But I don't know what kind of advertisements would be authentic enough to be included?

**English Project**

This is a final project In accordance to the book In the Heat of the NGht by John Ball. -must create a newspaper that contains an article basically stating the murder mystery in the book, 2 ads and another article irrelevant to the story that depicts the theme of prejudice. I ...

**English**

What is the significance of the title "In the heat of the night"? What does the last chapter(chapter 14) conclude about the underlying racial issue; the furtherance of the romantic plot?

**maths**

hint: find the common denominator

**English**

We are reading the book In the Heat of the Night by John Ball and I need to complete the chapter 2 comprehension questions. I am stuck on this one: 1. Investigate the figurative nuances of the name Virgil. It is an allusion. Why is it significant? Think in terms of irony and c...

**Math**

oooohh ok that makes sense! thanks!!

**Math**

2 Gears are in their starting position. Gear 1 has 6 teeth. Gear 2 has 8 teeth. As gear 1 turns, it causes gear 2 to turn at a different rate. Gear 1 is rotated until the two gears are back at starting position. What is the minimum number of rotations Gear 1 requires to return...

**Math Help Qucik!**

wait... isnt gross the revenue? lol sorry if thats a dumb query

**Math Help Qucik!**

ok, thank you! But i don't understand why you need to find the gross?

**Math Help Qucik!**

Alex bought 144 bagels for $80. His profit was $75 once he had sold 100 bagels. Which equation represents Alex's profit,P as a function of the number sold, n?

**Socials HELP QUICK!**

WHat are the advantages of pit houses for the Plateaus peoples?

**Socials Ms. Sue please help!**

Is the longhouse the best lodging choice for the people of the Plateaus? -they had forestry: adequate supply of wood - large flat land - nomadic during the summer not sure about winter Wold tipis be a better choice? Is it ok if a link isn't provided this time? I have tried...

**Math, area**

Well since its an oval, just subtract the bigger/outer oval from the inner/smaller oval to get the area of the track I think. Area of oval = Pi * A * B; where A is the length from the center to the longer side of the the oval and B is the length from the center to the opposing...

**Math, area**

What shape is the track?

**Math, area**

Same way you would find the surface area of a cylinder? I'm not sure if I'm correct.

**Science**

C. I think so, not 100% sure

**Math**

((2h+8)*h)/2

**Socials Please help!**

Please help me Ms. Sue!!

**Socials Please help!**

Thank you! But I'm not sure if I am right or not... Which type would you choose?

**Socials Please help!**

I need to write an essay response answering these 2 questions: 1. Are pit houses really the most efficient/ practical houses for the Plateau people? My ans: No, it isn't 2.Which lodging would be the best for the Plateau regions and why? (at least 4 reasons) I am stuck on t...

**Socials**

What were the poor laws? What was their purpose and what did they set out to do? my answer for the first part: - The poor laws was a law regulating the public relief or support of the poor. Its purpose was...?

**Socials**

Thank you Ms. Sue!

**Socials**

Down and Out in Victorian London from Oliver Twist by Charles Dickens questions I don't understand. 1. What is a parish? (not in religious content) 2. How did social values affect the treatment of the poor? 3. What were "workhouses" and how did they operate?

**Math **

Bethany has 43 apples. Write a subtraction story about the apples That would require regrouping. Then write the answer in a complete sentence.

**Business(please help quick!)**

Please don't provide any links. We are doing a project where we pick a sports team and we must calculate the revenue and salaries of the players. Then we are asked to explain how a sports team can possibly lose money. Now, I have all of that but I am stuck on this last que...

**Algebra**

x-original price (0.15x)0.10=91.80 solve for x :)

**Social studies**

Was Robespierre a hero or villain? What were some of the things he did (good and bad). Im writing a multi- paragraph essay and I don't really get who he is and what he did. (Ms. Sue;)

**socials**

An extension to my other question- how did oliver cromwell like impact the world and why was he significant? It could relate to if he had high moral principles. I wrote my essay but I don't know how to close it up.

**Social studies**

ok, thank you! But I just read over my criteria and it said that I must include whether he was a person of high moral principles or not and what they were...

**Social studies**

What were some of the good things Oliver Cromwell did? Bad things? And also what is you opinion on whether he was a hero or villain? I think I am choosing to write about him being a hero because I guess every ruler has it's flairs and flaws, but I just don't know what ...

**pre calc**

Carson wants to invest $100,000 in two ways. He wants to purchase a certificate of deposit that pays 11% per year and invest the rest in coorporate bonds that pay 15% per year. He is looking for a total return of 12%. How much money should Carson place into each investment pro...

**pre calc**

An open box is formedby cutting squares out of a peice of cardboard that is 18 feet by 26 feet and folding up the flaps. What size corner squares should be cut to yield a box that has a volume of 250 cubic feet

**english**

* i meant(typo) what does the last line mean?*

**english**

* i meant(typo) what does the last line mean?*

**english**

In the short story The Weapon by Fredric Brown, why did Dr. Graham says as his reason for continuing to work on the weapon, despite the fact that it is bad for the world? Also, what does the last line of the story "only a madman “Only a madman would give a loaded ret...

**social studies**

o and would the arousing of travel count as well?

**social studies**

o ok! but for new knowledge what kind of knowledge?

**social studies**

Whatsocial changes came as a result of increased trade? - I already have a few like towns, new powers, new freedoms, and weakening of feuldalism. Is there anything else I missed?

**social studies**

thank you so much Ms. Sue!

**social studies**

what are craft guilds similar to today?

**social studies**

thank u! :)

**social studies**

In what ways are a KNights code of chivalry similar to an oath of allegience?

**Math**

A 100m wire weighs 1.75kg. How wide is the wire?

**science**

What is the acceleration of a 66 kg block of cement when pulled sideways with a net force of 597 N? Answer in units of m/s 2.

**Physics**

The change in L = (Initial L)x(Force)/E/Area. The change in L also = (Alpha)x(Initial L)x(Change in Temperature) So, (Alpha)x(Change in Temperature)x(E) = Force/Area So, (25x10^-6)x(23)x(70x10^9) = 4.0x10^7 N/m^2

**Math**

But if some students enjoy than one sport how does that go to do with anything? Can you please help me I really need help?

**Math**

The following chart shows the fraction of students who enjoy baseball, basketball, football, soccer, and swimming in the 7th grade. Baseball - 2/3 Basketball- 4/5 Football- 3/10 Soccer-5/6 Swimming-1/8 What fraction of students enjoys basketball and soccer?

**physics**

A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find t...

**physics**

A 1100·kg elevator is attached to a cable whose tension is 11100·N. What is the magnitude of the elevator's acceleration?

**physics**

A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find t...

**College Physics**

A ball with a mass of 4·kg is moving in a vertical circle at the end of a 0.9·m long rope. When the ball is at the top of the circle, it is going 7·m/s. What is the tension in the rope? (Again...don't need the answer...just the formula on how to find t...

**help please :)**

It's not A

**algebra**

Which of the quadratic functions has the narrowest graph? A. y=1/4x^2 B.y=x^2 C. y=-3x^2 DAy=1/12x^2

**budget**

It's d?

**physics**

Two sounds, one of 200 Hz and one of 194 Hz occur at the same time. What beat frequency do you hear? Show your calculations I'm not looking for someone to do my homework for me. I just don't know what formula to use to figure it out.

**Pre-Calc-please check**

Thank you for checking

**Pre-Calc-please check**

please delete last two lines-that was just my work I calculated- it shouldn't e there actual answer is 243a^5-810a^4b + 1080a^3b^2 -720a^2 b^3 + 240ab^4-32b^5

**Pre-Calc-please check**

Please check this for me expand (3z-2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(n-k)b^k (3a-2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5-k(-2b)^k (5/0)(3a)^5(-2b)^0+(5/1)(3a)^4(-2b)^1 +(5/2)(3a)^3(-2b)^2 +(5/3)(3a)^2(-2b)^3...

**Pre-CalcPlease check**

Thank you

**Pre-CalcPlease check**

Please check: 1.Write in expanded form: this is a sigma notation- 4 on top signma in middle k=1 on bottom to right of sigma is (k-1)(k-2) I solved: k=1 (1-1)(1-2)=0(-1)=0 K=2 (2-1)(2-2) = 1(0)=0 k=3(3-1)(3-2)=2(1)=2 k=4 (4-1)(4-)=3(2)=6 answer: 0+0+2+6 2. Write 4+9+16+25+36+49...

**English-Please check**

I have a question- I finished reading The Sound and the Fury and I have 50 questions to answer; I'm not sure about two of them; Why was Benji's name changed from maury early in life- The choices were: The mother disapproves of her brother Maury so she doesn't want ...

**Home Insurance**

lol. Yes i come here for answers to I'm very happy she pots these. Don't ban her.

**Spanish**

I had to rewrite from English to Spanish-Please check if I did them correctly- 1.She sees them. Ella los ve. 2. We see them. Nosotros los vemos. 3. I invito you. Yo te invito. 4. I invite him. Yo lo invito. 5.She see you all. Ella los ve. 6. He invites us. Él nos invita.

**math**

9.9

**chemistry**

what type of reaction is Nickel (II) ion and iron (III) ion and reacts to produce iron (II) and nickel (III) ions? is it: combination, decomposition, single or double replacement.

**chemistry**

balnced equation CaCO3-->CaO+CO2 how many moles of CO2 are produced if you start with 3 mol of CaCO3?

**chemistry**

what are the phases of all the reactants and products in the reaction 2Al + Fe2O3--->2Fe + Al2O3?

**chemistry**

how many moles of CO2 are produced if you start with 3 mol of CaCO3? balanced equation is: CaCO3--->CaO=CO2

**Budget**

that isnt it

**Physics**

A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a) What will be its spee...

**physics**

A football is thrown upward at a(n) 37 angle to the horizontal. The acceleration of gravity is 9.8 m/s2 . To throw a(n) 57.8 m pass, what must be the initial speed of the ball? Answer in units of m/s

**Physics**

A parachutist descending at a speed of 19.6 m/s loses a shoe at an altitude of 41.6 m. What is the velocity of the shoe just before it hits the ground? The acceleration of gravity is 9.81 m/s2. Answer in units of m/s

**Physics**

A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car? (answer in units of s)

**Physics**

A car traveling at a constant speed of 33 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 2.62 m/s^2. How long after the trooper starts the chase does he overtake the speeding car? (answer in units of s)

** college physics**

A 1100 kg wrecking ball hangs from a 14m-long cable. The ball is pulled back until the cable makes an angle of 17.0 degrees with the vertical.By how much has the gravitational potential energy of the ball changed?

**Math**

Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4

**Chemistry :( **

How much heat is evolved when 878 kg of ammonia is produced according to the following equation? N2(g) + 3H2(g) 2NH3(g) ΔH = -91.8 kJ

**Pre-Calculus**

what is the range of each of these equations? 1. 4sin(3x-1)+4 2. -4sin(-3x+1)-4 3. 2sin(1.5x+.5)+2 4. -2sin(-1.5x-.5)-2

**arithmetic**

First, you have to find the least common multiple of the number of days between eggs (2,3,4) to get 30. Then, you make a list of numbers 1-30: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

**Calculus Please someone help**

1. Find the slope m and an equation of the tangent line to the graph of the function f a the point (2, 38) 2. Find an equation of the line that passes through the point (9,7) and is perpendicular to the line 5x+3y-4=0

**Math**

subtact

**Math**

A toy manufacturer needs a piece of plastic in the shape of a right triangle with the longer leg 5cm more than the shorter leg and the hypotenuse 10 cm more than the shorter leg. How long should the sides of the triangles be?

**geography**

What does this mean? Nation-building can involve the use of propaganda or major infrastructure development to foster social harmony and economic growth.

**geography**

I did sorry the link wouldnt work before on the other post.

**geography**

What states dont get snow?

**Quick ?**

What states don't get snow?

**English**

Why do miracles come true and happen for the right people?

**Physics**

The motion of material particles in P-waves is A. Clockwise circles as seen from the side B. Counter-clockwise circles as seen from the side C. Parallel to the propagation direction D. Perpendicular to the propagation direction

**english**

it means she wants her mom

**6th grade**

What does 22x11= Thanks for your help!

**physics**

Please Help. I am not sure how to set up or do this problem. Thanks A car is traveling along a road, and its engine is turning over with an angular velocity of +199 rad/s. The driver steps on the accelerator, and in a time of 14.2 s the angular velocity increases to +263 rad/s...

**Math**

I understand how to make Stem-and-Leaf plots,but I don't understand what to count by if my numbers are (from least to greatest) 13,14,16,18,20,32,33,52,58,61,and 67.Please help me!!!

**Math**

If 30=100%, and going over my subtracts from 100%. What is my percentage if I get 39?

**trig**

How would I solve the following equation for x? 2 sin^2(x) + 3 tanx secx = 2 I've tried the problems from different approaches, but couldn't come up with a solution. Could you please provide your thought process. It would be greatly appreciated. Thanks!

**science**

a cookie a certain mass. explain why the mass would not change if you break the cookie in half.

**physics**

While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 5.00 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same instant? Take the dow...

**physics**

A jetliner, traveling northward, is landing with a speed of 65 m/s. Once the jet touches down, it has 785 m of runway in which to reduce its speed to 5.0 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the positive direction to...

**physics**

In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 6.2 m/s in 1.9 s. Assuming that the player accelerates uniformly, determine the distance he runs.I

**Math**

135