Questions Asked on
December 5, 2016

U.s History
1.Which statement best describes an effect of William Penn's actions on colonial America? A)Cashcrop agriculture became more profitable in the Southern colonies. B)Many immigrants came to the Middle colonies seeking religious freedom.*** C)Several

maths
A car which cost #1.8 million when New Depreciates by about 12% in the first 6 months.find the value after 6 months to 2 significant figures

Arithmetic progression
A person buys national savings certificate of values exceeing of the last years purchase by Rs. 100. after 12years he finds that the total value of certificate purchased by him is Rs. 7,200 find the value of the certificate purchased by him (1) in the

Math 8th Grade
1. which equation is equivalent to y  6 = 12(x+4)? 2. which point is located on the line represented by the equation y + 4 = 5(x  3)? 3. which equation represents the line that passes through the points (6 3) and (4 9)? 4.The population of a city

history
Which of the following best explains why trade among the colonies flourished? A)The different regions specialized in different crops. B)The colonies had developed large fleets of trading ships.** C)Existing trade routes were wellmaintained by Native

Math
A phone company uses the equation y=0.15x+10 to find y, the monthly charges for a customer sending x text messages. How many text messages are sent if the monthly charge is $77.50?

Language Arts
(Use the passage to answer the question.) 8. Read lines 5 – 9 from “The Olympic Swimmer.” Swimmers swivel, splash, and kick Back and forth in a clear, blue pool; Like fish at play in Neptune’s sea. Swimming relaxed, and calm, and free. These stars,

VERY, VERY URGENT 4TH GRADE MATH!!!!!!!!!!!!!!!!!!
What is 44 divided by 7 with a remainder?

U.S History
1.Use the passage to answer the following question: So through the night rode Paul Revere; And so through the night went his cry of alarm To every Middlesex village and farm, A cry of defiance, and not of fear, A voice in the darkness, a knock at the door,

Chemistry
Calcium carbonate reacts with HCl according to the following equation: 2HCl(aq)+CaCO3(s)→CaCl2(aq)+H2O(l)+CO2(g) How many moles of HCl are in 58 mL of 0.13 M HCl? What mass of calcium carbonate is needed for complete reaction with the HCl in (a)?

physics
A wire of length 60cm and mass 10kg is suspended by a pair of flexible leads in a magnetic field magnitude and direction of the current required to remove the tension in the supporting leads.

College Math
There were 42 different presidents of the United States from 1789 through 2000. What is the probability that at least two of them had the same birthday?

chemistry
What is the seperation energy ineV for Be3+ in the first excited state in eV?

math check my answers please
What is the smallest perfect square that has a factor of 800. What is the smallest perfect cube that has a factor of 800? Smallest perfect square would be 1600 and smallest perfect cube I think would be 8000. 800= 2,2,2,2,2,5,5 2^2 × 2^2 × 5^2 × 2^2

Language Arts
1. Choose the word that defines the word in bold. “Kugler, Ferdinand was a thief before his tenth year and an INVETERATE liar.” A. Habitual.*** B. Believable. C. Undetectable. D. Entertaining. 2. Choose the word that defines the word in bold. “But

U.S History
Case Study: General Andrew Jackson: Andrew Jackson's military career spanned several wars including the American Revolution, the Creek War, the War of 1812, and the First Seminole War. After the Creek War, Jackson and the Creek Indians signed the Treaty of

Math
A student randomly guesses the answers to a four question true or false quiz. Find the probability that the student answers F on at least 2 of the questions

Math
The rating for a tv show dropped a total of 10 points in 2 weeks. What integer represents the average change in points per week?

Calc
This problem is really weird. I have to explain why MVT applies for f(x)=2sinxsin2x on the closed interval 7pi,8pi and then determine all values of c in the interval (7pi,8pi) that satisfies the conclusion of the theorem. However, the condition of MVT is

math
Compare 8 ? 10. Use , or =.

math
There are 12 marbles in a bag, and the marbles are either yellow or green. Two marbles will be randomly picked from the bag, without replacing the first one picked. The probability that both marbles will be yellow is 5 33 . How many YELLOW marbles are in

Calculus applications
6. The bending moment (M) along a beam is M = WLx/2 Wx2/2 kNm where x is the distance of a beam length L from the left hand end. W is the weight per unit length. (a) Shear force is calculated as the differential of bending moment. Find an expression for

Algebra 2
Write an equation for the translation of x 2 + y 2 = 16 by 8 units left and 3 units down.

Language Arts
Read the following passage. Then answer the questions that follow. THE OLYMPIC SWIMMER Who will be the winner bold? Athletes from both far and near Train and Strain to be the best. But who will win the medal gold? Swimmers swivel, splash, and kick Back and

Algebra
david makes and sells chairs. The function p(x)=10x^2+100x210, graphed below, indicated how much profit he makes in a month if he sells the chairs for 10x dollars each. what should david charge per chair to make the maximum profit, and what is the

L.A H 2
Which of the following sentences contains a linking verb? (1 point) Mateo became upset with me today. I took his last cupcake without permission. He wanted to eat it this afternoon. I bought him a new one as a surprise.

LA 3
Which of the following sentences contains a coordinating conjunction? (1 point) These days, Keegan is either crabby or melancholy.*** I was late for school because I ignored the alarm. Pack your lunch and put on your jacket. Harvey would be a great cat if

physic
At T= 20 degrees C, how long (in meters) must an open organ pipe be if it is to have a fundamental frequency of 240.0 Hz?

U.S History
Which of the following offers the best definition of the phrase "headright system"? A)Settlers were given land and, in return, were expected to farm and build on it.*** B)Settlers were given money if they agreed to sell a portion of their crops to Britain.

Math
A circular ice rink is being built in town. Around the ice rink, a walkway will be built. The ice rink will have a diameter of 8080 feet and the walkway will be 1010 feet wide. What is the approximate area of the walkway? A. 314 ft B. 2,826 ft C. 12,874 ft

english
Which of the following sentences contains an action verb? 1)Brad looks upset today. 2)Brad drove to the zoo with us.+++ 3)The animals seem very active today. 4)Our friend appeals happy now. I think it is number 2?

Vectors
Calculations with vectors a = 3i +4j, b = 7i + 24j, c = i – 2j, d = 3j a) Find a b) Find b

Math
A 100 gallon tank is filled with a salt solution containing 10 lbs of salt. Pure water is pumped in at a rate of 5 gallons per minute and pumped out at the same rate. How many minutes will it take the amount of salt to drop to 8 lbs? Round to one decimal

Chem
Does atmospheric pressure increase or decrease as altitude increases? (Neglect changes in temperature.)

MATH URGENT!!!!!
The graph represents function 1 and the equation represents function 2: A graph with numbers 0 to 4 on the xaxis and yaxis at increments of 1. A horizontal straight line is drawn joining the ordered pairs 0, 3 and 4, 3. Function 2 y = 2x + 1 How much

Math
The ratio of the number of goats in farm x to the number of goats in farm y was 9:4. After 35 goats were transferred from farm x to farm y,there was an equal number of goats in each farm. how many goats were there in each farm at first?

Calculus
A rectangular tank with a square base, an open top, and a volume of 4,000 ft cubed is to be constructed of sheet steel. Find the dimensions of the tank that has the minimum surface area. I'm not understanding how to get started and find the

math
Ali, Clara, and Shan raised money for new books for the school library. Ali raised 20% more than Clara and $58 more than Shan. Clara raised 1/4 more than Shan. A) How much money did they raise altogether B) What percent of the total money did Clara raise?

Chemistry
If a 30.pL tank of laughing gas contains 2.74 moles of N2O at 25 degrees C, what is the pressure (atm) in the tank?

Science
What volume of a 2.00 M HCL solution can be prepared by diluting 0.350L of 14.0 M HCl solution?

language arts
The seven wonders of the world is mostly about which of the following. A.The pyramids of Egypt. B.Architecture around the world. C.Incredible ancient structures. D.Respected building techniques. I think its's B or C.

Calculus applications
The bending moment (M) along a beam is M = WLx/2 Wx2/2 kNm where x is the distance of a beam length L from the left hand end. W is the weight per unit length. (a) Shear force is calculated as the differential of bending moment. Find an expression for

Ray Optics
Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: Problem A n1 < nf > n2, delta phase is therefore lambda over two.

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

LA HELP!!!!!!!!
Walking for Fitness and Fun Walking Is for Everyone Walking is a popular form of exercise, and it is growing more popular each year. Walking is good for every age group: The rate of participation does not decline in the middle and later years. In a

Physics
A 55.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 5.6 m below the water's surface, what is the total distance between the diving board and the

Math grade 10
In triangle ABC with coordinate A(3,4), B(5,2) and C(1,4) , line segment CF is the altitude of triangle ABC. Determine the equation of the line that collinear to line CF

maths
4 circles inscribed in a big circle of radius rcm express the radius of the large circle in terms of r

precalculus
can you explain what the equation y = a(x  h)2 + k, a ≠ 0 means and what it represents?

fundamental programming
Design a program that keeps on reading number until the user enter a zero value

Calculus
f(x)=6x^34x then d/dx(f(lnx)) =??

math
four times a number plus three times the sum of a number and four is equal to negative nine

Math
a recipe used 2/3 cup of sugar for every 2 teaspoons of vanilla. What is the unit rate in cups per teaspoon ?

Check My Answer Please
Why were women fighting for suffrage? A:because they wanted to end abuse toward women B:because they wanted to win the right to vote**** C:because they wanted to gain the right to work D:because they wanted to end women's inequality Completely doing an

Algebra
The reflecting dish of a parabolic microphone has a crosssection in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If the parabola is 60 inches wide and 30 inches deep, how far from the vertex should the microphone

Physics
We have a heat engine that produces 150 J of heat, does 40 J of work, and emits 110 J into another system. What is the efficiency of the heat engine? Please don't give me the answer! Just help figure out how to find it! The description for the lesson with

Math
1+1=?

fourth grade math
What is 271÷7 with a remainder?

math
4/1/2+q=9/1/2

math115
A worker gets 22 dollars per hour for a normal work week of 40 hours and timeandahalf for overtime. Assuming he works at least 40 hours a week, construct a function describing his weekly paycheck, Upper P, as a function of the number of hours worked, t.

Algebra
Find an equation of a parabola with a vertex at the origin and directrix y =–4

probability
A letter of english alphabets is chosen at random.What is the probability that it is a letter of the word MATHEMATICS.

Calculus
For what value of k will x+k/x have a relative max at x=2

Chemistry
How do orbitals on individual atoms interact and change when covalent bonds form in molecules?

General Physics II
Hi, this is about thin film interference in ray optics. My book presents two similar problems, but somehow uses different paths for the same variable. I'll list out the given variables: Problem A n1 < nf > n2, delta phase is therefore lambda over two.

Math (statistics)
Suppose an employee starts working after completing her MBA at age 30 at a starting salary of $50,000. She expects an annual salary increase to be at minimum 1%, at maximum 5%, with a uniform distribution. Her retirement plan requires that she contribute

Statics
I would like to write vector expressions and determine the andle the slipe makes with the horizontal for the following. a 2kg block is on a slope and is about to slip down, the coefficient of static friction is 0.4. so far I have W=2g F=Fi N=Nj and tan1

Algebra
Find an equation of a parabola with a vertex at the origin and directrix y= 4

Math
TanA VYAPAK SLOVED

Silmultaneous Equations
Need a bit of help solving the following equations. sqrt(5/8(sqrt(5)/8))LH+cos (43pi/180)RH = 0 and 1/4(1+sqrt(5)LH+sin(43pi/180)RH2g=0 What is the best way to start when trying to combine these equations? Thanks

math
the perimeter of a parallelogram is 88 cm and one of its adjacent sides is longer than the other by 10 cm. Find the length of each of its sides

Science
A boy pushes a box of mass 57 kg and it moves with an acceleration of 11.4 m/s2. what amount of force is the boy exerting on the box?

history
3. In what way did Uncle Tom’s Cabin change the attitude of Northerners about slavery? (1 point) They began to view it as a political problem. They began to view it as an economic problem. They began to view it as a moral problem. They began to feel it

Algebra
I need help understanding how to crossmultiply addition of inverse functions. I'm given this, 1/p+1/(p45) = 1/30 The answer goes to p^2105p+1,350 = 0. My method has been adjusting the ratios of the numerator and denominators to give,

Calculus
Sinx=e^y , 0

Algebra
Rosa is 14 years older than her sister Amy. 3 years ago, she was 3 times as old as Amy. How old are they now?

math
A sphere of radius 7 m is circumscribed about a regular triangular prism. If the base edge of the prism is 1 m, find the volume of the prism (in m3). Round off your answer to four decimal places.

Math
A player has 37 hits in 192 times at bat. Write the player's batting average as a decimal. Round to the nearest thousandth. A. 0.192 B. 0.193 C. 0.197**** My answer D. 0.293 Is it correct

Math
Given:AD=20 AC=15 Prove:CD=5

history
10. What is the connection among sectionalism, slavery, and states’ rights as causes of the Civil War? How did the Southern response to the 1860 election results demonstrate this connection?

Math
Recipe needs to make exactly 10 cups. 5 ingredients. Using 1/3 cups and/or 1/4 cups only. Please help.

math
Using fermats little theorm, find the least residue of 8^123 modulo 61

algebra, mathematics
The sum of two numbers is 33. Twice the smaller number from the larger number gives 15. Find the numbers

Math
Is 11 prime or composite?

Science
What kind of heat transfer cause Earth's major wind patterns?

math
!@#$%^& hires a new employee to work in the bakeshop. In one hour he burned 55 coojies. If this repeesented 15% of the days production how many cookies did you plan on producing that day?

English
How is close reading related to annotation? How are they similar?

Science Physics
I don't understand how I would know what would happen if it collided or bounced, etc. How do I solve a question like this? Suppose the total momentum of two masses before collision is 100kg m/s. What is the total momentum of the two masses after they

african american history
name some differences between the historic condition of slaves and that of wives, children and professional athletes

math
On a farm ,the ratio of cows to chickens to horses is 2 to 7 to 3. There are 8 fewer horses than chickens on the farm.How many total animals are on the farm?

math
BONUS QUESTION: In a container of beans, there are black, white, and brown beans. The ratio of black to brown is 4 to 9.There are twice as many white as there are black. If there are 16 white beans in the container, how many beans are there in all?

science
Gravitational force =mass x 9.8m/s2 what is the force of a polar bear weighing 1500kg?

african american history
what ways did slave master's exercise "total power" over their slaves?

URGENT 4TH GRADE MATH
What is 4,399÷6 with a remainder? sorry I am not good with remainders.

ELA surprisingly... HELP!!!!!!!!!!!!!!!!!!!!!!!!!!
Which sentence contains an opinion? A.)Thomas Jefferson supported American independence from Great Britain. B.) He was a lawyer in his home state of Virginia C.)Jefferson authored the Declaration D.) He became the third president of the U.S.A. and served

english
Which of the following sentences contain a linking verb? Sammy made lunch for us yesterday. +++ Would this be correct?

PLEASE HELP SOCIAL STUDIES CONNECTIONS ACDEMY 6th
what lands beside egypt does the nile flood

history
What did Zen Buddhism contribute to Japanese culture? the answer choices are A. a focus on selfreliance, meditation, and devotion to duty B. a focus on increasing military power C. a decrease in the development of art and drama D. dependence of customs

Math
Hoses A and B together can fill a swimming pool in 6 hours. If hose A alone takes 10 hours to fill the pool, how long would it take hose B to fill the pool?

Algebra
In a basketball game, Sam scored 34 pts, consisting only of 3 point shots and 2 point shots. He made a total of 15 shots. How many shots of each type did he make?

Spanish
I have two questions: 1) Como se llama la plaza donde celebraban desfiles militares? (12 letters)    2) Quien pesó oro en la Casa del Cordón? (20 words)     Thank you for your help

Math
f(x) = x^5 + 2x^3 + x  1 Find f^1 (3) and (f^1)' (3) f^1 (3) = 1 (f^1)' (3) = 1/12 Those are the answers, but I have no clue how my teacher got them.

math
ben is a book that is 48 pages long.

Math
f(x) = cos(x) + 3x Find f^1 (1) and (f^1)' (1) f^1 (1) = 0 (f^1)' (1) = 1/3 These are the answers given, but I also don't understand how my teacher got these.

english
I have an assignment about paraphrase. please help me..

Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 9, y = 2, and dy/dt= 2. x^3y^2 = 2916

Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25

Maths
The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

Maths
The smallest positive number divisible by every integer from 2 to 10

Maths
The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

geometry
ray pb bisects < rpt so that < rpb = x+2 and < tpb = 2x6. What is < rpt =

pre calculus
Find the equation of a Parabola with Vertex: (2,1) and directrix: x= 2

precalculus
Find the equation of a Parabola with Vertex: (2,4) and directrix: y=7

English
Hello. Thank you for your help. I'd like to think of a stative passive and an active passive. 1. He has closed the shop. 2. He closed the shop and it is closed. (The meaning of #1 is #2. There was an action and then there was a state: an action + a state

English
1. She'll be coming round the mountain when she comes. 2. She'll be coming around the mountain when she comes.  In the song, 'round' is used in #1. In British English, 'round is used with action verbs. However, what about in

Philosophy
There are a variety of major distinctions that people always use to describe the Plato's Republic section we have read. The distinctions are: The appearances vs.reality, One vs. the many,  Forms/ideals vs. physical objects. After doing the reading,

precalculus
How do you find the major and minor axis of an ellipse?

MATH
GIVEN:HZ=4a5 RZ=3a=5 FIND:HZ

maths
If the face value of a 91day Treasury Bill is £100000 and it is issued at a discount of £1300, what is the annual interest rate (yield) that the purchaser receives (expressed as a percentage to 2 decimal places)?

Math
Ann drank 8 quarts of lemonade over the weekend. Each day she drank 1/4 quart of lemonade. How many times did Ann drink lemonade

Calc
I have to find the relative minimum and relative maximum of g'(x)=(x+1)(x1)^2(x2). What I've done so far is constructed a sign chart using the critical numbers, but I'm confused. To the left of 1 it's +, to the right of 1 it's , to the left of 1 it's

Science
Explain the way that ammonia, salt, and water are a like. My answer: They are all a like because they are all acids. They all clean things. They also are all compounds.

Geometry
How do you use slopes to write the proportion to find the value of x for this problem... (4,5), (1,2), (x,0) please show your work and explain thx

physics
A rope of mass 0.73 kg is stretched between two supports 31 m apart. If the tension in the rope is 1100.0 N, how long (in seconds) will it take a pulse to travel from one support to the other?

Math
A hot air balloon rising vertically is tracked by an observer located 4 miles from the life off point. At a certain moment, the angles between the observers line of sight and the horizontal is Pi/4 and it is changing at a rate of 0.1. How fast is the

Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25

Math
Mrs. Scott decided that she would spend more no more than $120 to buy a jacket and a skirt.If the price of jacket was $20 more than 3 times the price of the skirt.Find the highest possible price of the skirt. I have the answer but they add another variable

Math
A man purchased eggs at the rate of Rs 48 per tray of 30 eggs . At what rate per hundred should he sell the eggs to gain 15%

physics
A guitar string is 97 cm long and has a mass of 3.6 g. The length L from the bridge to the support post is 61 cm, and the string is under a tension of 570 N. What is the frequency of the fundamental tone?

Mathematics
Tom deposits $800 into an account that pays simple interest at a rate of 2℅ per year. How much interest will he be paid in the first 2 years

Math
Round 123,166,749 to the neartest thousdand

math
lucy had 48 balloon for her berthday if 1/4 of the balloon are red 1/3 of then are blue and the rest are yellow how many yellow balloons did she have?

History
The postwar period was difficult for farmers because of? A:falling food prices B:widespread drought C:a shortage of farm equipment D:a decrease in demand for farm products**** I was torn between A&D...but decided on D....since food prices increased after

physics
A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. She hears the echo 2.20 s after shouting. How long (in meters) is the lake?

africa
explain the american paradox of freedom and slavery

ELA
Longdistance footraces, known as marathons, are celebrated events in American culture. Hundreds and sometimes thousands of people come together to test their endurance and to take part in goodnatured competition. One of the world's most famous marathons

math
A boy spent onehalf of his money for a book and onethird of his money for a pen. The remaining $2.25 he saved. How much money did he have originally?

Math
A support wire to the top of a newly planted tree is 15 m long. It forms an angle of 30 degrees to the ground. On the same side of the tree, a second wire is also attached to the top of the tree, but it makes an angle of 45 degrees to the ground. Determine

parametrics
How do I work out the second quadrant parametrisation of 5x^2+16y^2=45. I have x=3 cos t, y=3sqrt5/4 sin t so far. Thanks

Calculus 1
In the problem, x and y are differentiable functions of t. Find dx/dt when x = 3, y = 4, and dy/dt= 2. x^2 + y2^2= 25

Matrix application
Part of the road is to be on a parabolic curve given by a function of the form y = ax^2 + bx + c where x and y are local coordinates. The road alignment must pass through the following 3 points: x = 150m y = 190.650m x = 300m y = 611.450m x = 450m y =

Physics
Two identical racing horses go around a semicircular turn in a racecourse. The horses have the same speed, but horse A is on the inner side while horse B is on the outer side of the circular turn. Which horse has the greater acceleration while in the turn?

physic
The string on a violin has a fundamental frequency of 150.0 Hz. The length of the vibrating portion is 36 cm and has a mass of 0.51 g. Under what tension (in newtons) must the string be placed?

precallcuslus
can you check my work and explain the last question because I do not uderstand. Explain what each of the following represents, and how y = a(x  h)2 + k, a ≠ 0 and (x  h)2 = 4p(y  k), p ≠ 0 are equivalent. The equation (x  h)2 = 4p(y  k), p ≠ 0

Maths
One Sunday, 681 people visited the zoo. Of these, 291 were men, 135 were women, and the rest were children. How many more adults than children visited the zoo that day?

math
sam was exercising on his treadmill. He walked 3/8 of a mile and than ran 2/5 of a mile within 30 minutes. How many miles has sam done on his treadmill?

Pre Calculus
A flare is launched straight up with a velocity of 200 feet per second. The function h(t)= 200t−16t^2 models the height h(t)of the flare are at time t. How many seconds will it take for the flare to hit the ground?

science
SHC and heat transfer Iron=390 To raise temperature of 0.5kg iron from 22 to 34°c

L.A
How does Miss Ferenczi explain her claim that, at times, 6 times 11 can be 68? a.She says rules for adults change more easily than rules for children b. she says she is demonstrating what an incorrect answer sounds like c.she says that in higher

history
What feature of Japans geography allowed it to develop its own distinct culture? a.) the high mountains that dominate central japan b.)its distance from the mainland of Korea and China C.)the many volcanos that surrounded the islands d.)the fact that Japan

L.A H
Which of the following sentences contains an action verb? (1 point) This apple tastes funny. It seemed OK at first. I spit it out in the trash.**** It might be rotten.

math
One day during flu season, 1/3 of the students in a class were out sick, and only 24 students were left. How many students are in the class?

English
What is the difference between World War II and Nazism?

Maths
In a class of 60 students,45 students are female. What percentage (%) of the students are male.

American Government
Please I need Help!!!!!!!!!!!!!!!!!! 1. What type of power does the Constitution grant to the Supreme Court? (1 point) executive power federal power judicial power legislative power 2. Which are examples of judicial restraint in the Supreme Court? Select

math
the length of a rectangle is 2 less than 3 times the width. the perimeter is 20 cm. find the length, width, and area of the rectangle. i got stuck after L=3W2 but i'm not sure what to do after.

Mathematics
if d sum of two numbers is 8 and their product is 15.if the answer of this equation is 3and5 find the number and check let the two numbers be xandy and you must check

Math
Tim has read 60% of a book. He has 24 more pages to finish. How many pages are there in the book?

physics
An organ pipe is 81 cm long and at a temperature of 20 degrees C. What is the fundamental (in Hertz) if the pipe is closed at one end?

Math
In a school survey year 6 found that for every 4 girls there were 5 boys what is the ratio of girls to boys

Alegbra
15000 = (4/3)(pi)R^3 Solve for R. How do I solve for R

Social Studies
How did the Supreme Court decision in Worcester v. Georgia and the Indian Removal Act lead to the removal and resettlement of Native American groups? Please help me I looked at every website and information for a answer but I'm new to connections academy

Calculus
If the line 3x4y=0 is tangent in the first quadrant to the curve y=x^3+k, then k is? I got 1/4 is this correct?

physics
A tuning fork is set into vibration above a vertical open tube filled with water. The water level is allowed to drop slowly. As it does so, the air in the tube above the water level is heard to resonate with the tuning fork when the distance from the tube

precalculs
Explain what each of the following represents, and how equations (a) and (b) are equivalent. (a) y = a(x  h)2 + k, a ≠ 0 (b) (x  h)2 = 4p(y  k), p ≠ 0 (c) (y  k)2 = 4p(x  h), p ≠ 0 can you check my work and explain how equations (a) and (b) are

Pre Algebra Review
Thirtyfive students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?

LA HELP! 2
Passage: from “Life Without Gravity” by Robert Zimmerman Worse, weightlessness can sometimes be downright unpleasant. Your body gets upset and confused. Your face puffs up, your nose gets stuffy, your back hurts, your stomach gets upset, and you throw

Calc
A box has a bottom with one edge 6 times as long as the other. If the box has no top and the volume is fixed at V, what dimensions minimize the surface area?

Physics
ou build a looptheloop in your backyard. It has a diameter of 3.10 m. a) How fast will you have to be moving at the top of the loop to avoid falling off? b)If you'll be coasting from the time you get to the bottom of the loop, how fast will you have to

Chemistry
Consider the reaction: Fe2O3+2Al=Al2O3 How many grams of Fe2O3 Are necessary ro make 100.2 grams of Al2O3? Step by step please.

physic
How fast (in meters/second) is an object moving on the earth, if its speed is specified as Mach 0.2 ?

Chemistry
Consider the reaction: Fe2O3+2Al=Al2O3 How many grams of Al are necessary to make 100.2 grams of Al2O3?

Chemistry
Consider the reaction: Fe2O3+2Al=Al2O3 How many kg of Al2O3 are produced from 25.2 kg of Fe2O3 assuming there is sufficient Al?

HEEEELLLPPP!!!!!!!!!!! LA!
1 While television can be entertaining and educational, it also has a dark side, especially for children. On average, children spend nearly 4 hours a day watching television. The harmful effects of television viewing far outweigh any benefits. 2 Doing

math
A manufacturer has determined that if it sets the price of paper at x dollars per ream, then its monthly profit can be represented by the equation P = (6000  400x)(x  2). Determine the yintercept and explain what it means. The teacher said that the

Math
Two different numbers are randomly selected from the set ${  2, 1, 0, 3, 4, 5}$ and multiplied together. What is the probability that the product is $0$?

Math
Can someone explain to me in there own words How is using a conversion factor different than using proportions to convert measurement units and which one is easy because i don't understand

precalculus
What does the equation y = a(x  h)2 + k, a ≠ 0 represent?

Math
Hoses A and B together can fill a swimming pool in 6 hours. If hose A alone takes 10 hours to fill the pool, how long would it take hose B to fill the pool?

Stats
A dean wishes to estimate the average cost of the freshman year at a particular college correct to within $500, with a probability of 0.95. If a random sample of freshmen is to be selected and each asked to keep financial data, how many must be included in

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Two liquids, 'R' and 'S' form an ideal mixture, what is true about the relation between the mole fraction of R in the liquid phase (X_r) and that of the vapor phase (Y_r) for most mole fractions in the range of 0

Calc
h''(x)=(x1)(x+1)^2(x+2) asks what values of x does h''(x) concaves up or down for. I made a sign chart and got the critical numbers 1, 1, and 2, with the signs (in order of the c.n.s) being +,,, and +. Based off of the signs, does h''(x) concave down

Math
Kevin takes 8 hours to mow 6 lawns. At this rate, how many lawns could be mowed in 32 hours

Algebra
Please Check My Anwsers What is the slope of the line in the graph show below? /content/media/390571112201142500PM1076804072.png A) 2 B) 1 C) 1 (My Choice) D) 2 Find the slope of a line that passes through (–2, –3) and (1, 1) A) 1/3 B) 1 C) 2 (My

chem
What is the total pressure on the gas after the 760 mm Hg has been added? FIRST PHASE atmospheric pressure= 760 torr gas volume= 60 mL (760 mm Hg added to 2nd phase) SECOND PHASE atmospheric pressure= 760 torr Gas volume= 30 mL **image looks like a J. in

Math
a recipe used 2/3 cup of sugar for every 2 teaspoons of vanilla. how much sugar was used per teaspoon of vanilla?

Physics
Hi, do you know how angular velocity relates to a "tight spiral" in football?

Math  Coordinate Geometry
Find the equation of the line which cuts the yaxis at 3 and is parallel to 4xy+=0. Please show working out, thanks.

Please help! MS. SUE!
Describe some of the achievements of the Middle Kingdom of ancient Egypt.