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Total # Posts: 108,930

math - trigonometry
A bushwalking party leave P and walk on a bearing of 335(degrees) for 11.4km until they reach Q. From Q they walk on a bearing of 65(degrees) for 18.7km at which point they arrive at R. a) What is the distance between R and P to 3 sig. figs.? b) What is the bearing of R from P...

Fundamentals Of Math
A plumber would like to cut a pipe 60 cm long into two piece. One piece is 10 cm longer than the other. Find the length of the two piece

Physics-Heat
Calculate and compare the temperature changes of copper (specific heat of 0.09c/gC) to glass (Specific heat of 0.20 c/gC) when 535 g of each substance are given 1,500c of thermal energy.

Chemistry
A sample of sand initially at 22.3°C absorbs 1.34 x 10^3 J of heat. The final temperature of sand is 67.8 °C. What is the (in g) of sand in the sample? Round to the nearest whole number.

chemistry
The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm,__kJ of heat are needed to ...

Math
1/2 or 50%

Math
Sharon runs on a trail that is 8 1/2 miles long. She ran 1/3 of the trail and walked the rest of the way. How far did she run?

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
I wasnt even going to tell but now Im definitely you endangered your own fate have a wonderful day!!

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
ah yes i lets see idc cuss me out all you want but at the end of the day your going to suffer the most dumb@$$

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
And telling our language arts teacher!

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
Also Im reporting this to the school^^

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
You know what this is stupid, I cant believe all of you. Your wasting your time. Cheating is never the right answer...You should be ashamed of your selves. You cant just cheat. Most of you probably spent the entire school year using this site. Your never going to learn ...

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
dick head

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
dick head

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
dick head

CHECK THIS LANGUE ARTS THING AS FAST AS YOU CAN!
WHAT ARE THE ANSWERS

social studies
idk

Maths
ghghj

Math
(x,y)-> (x-4,y+1);(-1,0) Is that the answer? @Steve

Math
The point C(-3,1) is translated to the left 4 units and up 1 unit. Write the rule for this translation. What are the coordinates? (x,y)-> (x+4,y+1);(7,-2) That is my answer. Am I right?

Math
B or D

Math
A sports reportor said that 2 out of every 3 people at a home town base ball game named baseball vs their favorite sport the reporter claimed that baseball was the mostpopular sport in town which of th following explains why the reporters might not be true A only sixty percent...

science
Sodium nitrite is prepared by a reaction of sodium nitrate and carbon: NaNO3 + C ? NaNO2 + CO2 Calculate the masses of reactants needed for the preparation of 10 g of NaNO2. Carbon is used in 10% excess. The atomic/molecular masses are: NaNO2= 69.0 g/mol , NaNO3=85.0 g/mol ...

Physics
Two point charges that have charge values of 4.0 X 10^-6 C and -8.0 X 10^-6 C, respectively, are separated by 2.4 X 10^-2 m. What is the mutual force between them, given that kC = 8.99 X 10^9 Nm^2/C^2? I got the Felectric as -5.0 X 10^2 N, but I'm not sure if that value is...

math
find 4 numbers that 5 divide into equaly

Math
WHICH KIND OF FUNCTION BEST MODELS DATA IN THE TABLE 0 -1,1 -0.5, 2 0, 3 0.5,4 1 I'm thinking quadratic because they are constant 0 1.7,1 6.8,2,27.2,3 108.8, 4 435.2 total confused here the x = 1 but the y's have no real sequence linear no quadratic no exponential don...

Statistics
A person has money worries and decides to invest in the computer industry. They want to know how the value will change over time. They used an exponetial regression model where the predictor is time in months and the response var is money measure in thousands of dollars. Alpha...

Chemistry
A 32.3 g iron rod, initially at 22.4 ?C, is submerged into an unknown mass of water at 62.9 ?C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4 ?C.

Math PLEASE HELP!
1. 7(10)+2=72 c 2. idk

Physics
Let F1=10i-15j-20k,F2=6i+8j-12k. Find their dot product and the angle between those two vectors

Algebra 1
x^3-8

math
it will never compound if it is compounded annually for 37 weeks because 37 weeks is less than a year

Math
2/6 cuz 6/6-1/6-3/6-2/6

Chem
How does water's shape make it a good solvent

Math1
P=6438 P=4% is correct

Math1
Total money= StartMoney(1+intrest)^#OfPayments

Ethics
Is there an ethical right to health care? If so, what are the practical consequences of concluding that this ethical right exists? I believe so but not too sure

Algebra
is proven by reflexive property . P.S. this is not algebra its trigonometry

Math - Rate Of Change
What does it take to win a tug of war? PUNCHLINE • Algebra • Book A 2006 March Mathworks

la
um, Ms. Sue that just brought me to google

la
which of the following is considered plagiarism A. adding footnotes B.presenting your own opinion C.including a works cited page D.directly quoting without providing the source

Math
no, the ball costs $5 and the bat costs $105

Social Studies
Stargirl is far from correct.

Social Studies
less

Social Studies
I goh

Social Studies
It was D

Social Studies
Thank you

Social Studies
Or D

Social Studies
Which of the following events led to the Korean War? A. the invasion of Japan into Korea B. the sending of UN forces into Korea to assist South Korea C. the formation of the Demilitarized Zone D. the division of Korea between the Soviets and Americans I think B???

Physics
Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.

math real and complex numbers lesson
(7,-9)+(3,5)

Science
Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.

trigonometry
mlklklk

Math
You can register a pickup truck as a passenger vehicle if the truck is not used for commercial purposes and the weight of the truck with its contents does not exceed 8500 pounds. Your pickup truck weighs 4200 pounds. Write an inequality to represent the numer of pounds your ...

Math
If you have 2 balls in your mouth, and 3 men come in. How much balls do you have in your mouth?

Calculus - Optomization Problem
The volume of the largest right circular cone that you can inscribe in a sphere of radius r equals _______ (Your answer will be an expression in r.)

Science
Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.

History
When the ghetto closed in, what did it mean for the Jew? I dont undestand this question

grammar
If I enjoy the cruise, and if I have enough money, I shall buy a yacht on which I shall continue to party until I drop - what kind of sentence is this

Calculus
The model for the velocity of a shuttle, from liftoff at t = 0 s until the solid rocket boosters were jettisoned at t = 50.2 s, is given by v(t)=0.001495833t^3?0.089395t^2+18.86t?0.52 (in feet per second). Using this model, estimate the absolute maximum value and absolute ...

Math
A fence 3 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

Maths
There were some people on the bus. At the first stop 19 people got off and 17 people got in. Now there are 63 people inside the bus. How many were there at the start? We have to find THREE ways I found Two : 1) 19-17 = 2 63 + 2 = 65 2). 63 - 17 = 46 46 + 19 = 65 I need help ...

geometry
A garden is in the shape of a rectangle 26 feet long and 35 feet wide. If the fencing costs $5 a foot, what will it cost to place fencing around the perimeter of the garden?

Maths
1^=1 2^=8 3^=27 4^=64 4/100 =1/25

Maths
By picking a natural number randomly up-to 100.find the probability of the number being a perfect cube?

math
a bus ride costs $1.50. A 30-day bus pass costs $36. Write an equation to represent the number of bus rides you would need to take for the bus pass to a better deal.

math
Given suitable examples of sets A,B,C,show that: A?B=A?C, B?C A?B=A?C, B?C

Algebra
The value of a boat is $21,200 It loses 6% of its value every year. Find the approximate monthly percent decrease in value. Round your answer to the nearest hundredth of a percent.

Math
A swimming pool holds 27460L of water. How long will it take to fill the pool at a rate of 50L/min?

algebra
14

math
You have the numbers 1- 10 in a bag.You draw a slip at random and draw another without replacing the first. Find the probability that both numbers are odd.

Math
2/5 of the 40 students in class are girls. 1/4 of the girls wear glasses. How many girls do not wear glasses?

Trig
what are the intercepts of the graph of f(x)=4cos^2 -3 on the interval [0, 2pi]?

Social Studies
I just rechecked and all the correct answers are C,D,A

Social Studies
Thank you very much Ms. Sue for responding :)!! Are the whole answers 1. A 2. D 3. A ?

Social Studies
Is 3. A and 1. B?

Social Studies
Hi I was just wondering if anyone could check my answers, Thank you!! 1. Unstable government holds back economic development most in a. Namibia b. Botswana c. Somalia d. South Africa*** 2. What was the effect of diversity in Dafur? a. NGOs b. Apartheid c. Nationalism d. ...

math
Geo uaually drinks 36 ounces of water per day. He read that he should drink 64 ounces of water per day. If he starts drinking 64 ounces, what is the percent increase? Round to the nearest percent.

Math
Find the equation of the ellipse having axes along the coordinate axes and passing through the points (4 ,3), (-1,4).

Math
Determine the value of a and b, so that the points (a , b, 3 ) , (2 ,0,-1), (1 , -1 ,3) are collinear.

science
A gas sample has a volume of 150ml when the pressure is 175kPa. If the temperature and amount of gas remains constant, what volume will the gas sample occupy at a pressure of 120 kPa

Physics/Mechanics
A particle A of mass 150g lies at rest on a smooth horizontal surface. A second particle B of mass 100g is projected along the surface with a speed of u m/s and collides directly with A. On collision the masses coalesce and moves on with a speed of 4 m.s . find the value of u ...

MATHEMATICS
at a farmers market you buy 4 lbs of tomatoes and 2 lbs. of sweet potatoes.

Chemistry
Calculate the wavelength, in nanometers, of the spectral line produced when an electron in a hydrogen atom undergoes the transition from the energy level n = 4 to the level n = 1.v

Physics
What is the direction of the displacement of a person who walks 10 km at 37 degrees south of east, then 14 km due west?

Math
6 outcomes

math
?_0^1??_1^2??(x^2+y^2)dxdy?using simpson's one third rule

Trigonometry
prove (sinx-tanx)^2=(tan^2x)(cosx-1)^2

math
One number is greater than another by 40/11. If the smaller number is less than 47/22 by 1/2, find the numbers.

Math
There was a sample of 550 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 5.2% each year. Let t be the number of years since the start of the study. Let y be the mass of the sample in milligrams. Write an exponential function ...

math
In a quadrilateral ABCD, AB || DC and AD||BC . Find the perimeter of ?COD if the diagonals of the quadrilateral intersect each other at pointOand AC = 20 in, BD = 20 in, AB = 13 in.

Math
One of the angles of a parallelogram is 36° greater then another one. Find the angles of the parallelogram.

chemistry
. What is the pH of a solution in which 15 mL of 0.10 M NaOH is added to 25 mL of 0.10 M HCl?

micro economics theory 2
a watch making firm operating in a competitive market.given by c= 100+ q2., where q is the level of output & c is total cost. a.the price of watches is birr is 60, how many watches produce to maximize profit? b.what will your profit level be? c.at what minimum price will you ...

iqra
. The equation for a demand curve has been estimated to be Q = 100 - 10P + 0.5Y, where Q is quantity, P is price, and Y is income. Assume P = 7 and Y = 50. a. Interpret the equation. b. At a price of 7, what is price elasticity? c. At an income level of 50, what is income ...

Chemistry
What mass of ammonia is necessary to produce 500 kJ of heat? 4 NH3(g) + 5 O2(g) ? 4 NO(g) + 6 H2O(g) ?rH = -906 kJ mol-1

Science
Mass of iron cube having edge length 1.8m is 70g.Find it's density.

Human resource
Why absolutely not?

Human resource
Suppose you are a staff nurse in a hospital that uses an incentive compensation system. Do you have an obligation to disclose the nature of the compensation arrangement to patients? if so, how should this information be communicating, and by whom?

Educational Technology
Of the following websites, the least trustworthy is the one that: A: Has the author's name and the current year as the date the site was posted. B: Has in-depth information and has a .gov URL. C: Has photographs and a copyright date of 1997. D: Has a company logo and the ...

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