Questions Asked on
October 15, 2017

math
A fireplace arch is to be constructed in form of a semiellipse. The opening is to have a height of 2 feet at the center and a width of 6 feet along the base. The contractor cuts a string of a certain length and nails each end of the string along the base
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History
What was the reasoning and result of the Saint Bartholomew’s Day massacre? the society of Jesus burned Gordon Bruno at the stake for his belief in a suncentered solar system protestant William dowsing accused 100 women of being witches, and they were
asked by malia 
History
What was an outcome of the Council of Trent? the council of Trent stopped the selling of indulgences the council of Trent abolished the practice of the seven sacraments the council of Trent eliminated the practice of the Eucharist the council of Trent
asked by malia 
Chemistry
What would the net ionic equation be for : HBr (aq) + KOH (aq) = KBr + H2O
asked by Emma 
Physics
Excellent human jumpers can leap straight up to a height of 100 cm off the ground. To reach this height, with what speed would a person need to leave the ground?
asked by S 
math
1  (sin^2x / 1+cosx) = cosx
asked by lilpump 
Mathematics
Natalie's car used 7 gallons of gas to drive 161 miles. At what rate does her car use gas in gallons per mile? Express your answer in simplest form.
asked by [Name Censored] 
Physics
When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.6 m/s in 0.11 s . Distance?
asked by S 
Physics
A physics major is working to pay his college tuition by performing in a traveling carnival. He rides a motorcycle inside a hollow transparent plastic sphere. After gaining sufficient speed, he travels in a vertical circle with a radius of 11.8 m . The
asked by Marthin 
Chemistry
You have a solution of 0.500 M NaCl. If you add an equal amount of water to this solution, doubling the volume, what is the concentration of this solution?
asked by Christina 
math
A Dish TV satellite dish is the shape of a paraboloid. The dish is 36 inches wide, and 8 inches deep. How many inches should the receiver be located from the vertex for optimal reception? (round to the nearest thousandth)
asked by jenny 
Algebra2
Use the formula D=rt where D is distance, r is rate, and t is time. The distance is 40 Julio finishes the 40 yd dash in 4.39 seconds. Rich finishes it at 6.18 seconds 1. Solve D=rt for rate. (1 pt) D/t=r 2. Use the statistics given in Act Two and your
asked by Hailey 
Social Studies
Why did many Americans feel that the result of the 1824 election was fraudulent? (1 point) New laws were enacted requiring voting men to own property, so many lost their right to vote; this resulted in a very low turnout of voters.Because no one received a
asked by help 
ELA
Which of these sentences uses possessive nouns correctly? A. The two brothers’ invention was a children’s game; each player’s marker was an animal. B. The two brother’s invention was a childrens’ game; each player’s marker was an animal. C. The
asked by a person in need of help 
science
Find by drawing the resultant of two vectors 3 unit and 4 unit inclined to each other at 30 degree, 4 degree and 90 degrees.
asked by omoye 
Physics
In an 8.00 km race, one runner runs at a steady 12.0 km/h and another runs at 14.6 km/h
asked by S 
Calculus II
Hi, I can't seem to find out how to do this. My textbook has two Q(t) values in the example and I don't know how to interpret this problem. An institute finds that the average student taking Elementary Machine Shorthand will progress at a rate given by
asked by Catherine 
physics
15. During the opening kickoff of a college football game, the kicker kicks a football with an initial velocity of 27.5 m/s at an angle of 41° above horizontal. I. What is the time of flight for the ball? II. How far does it travel before hitting the
asked by emily 
Physics
A person pushes on a 62kg refrigerator with a horizontal force of 280 N; the minus sign indicates that the force points in the x direction. The coefficient of static friction is 0.70. (a) If the refrigerator does not move, what are the magnitude and
asked by Amelia 
physics
Traveling at a speed of 18.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.690. What is the speed of the automobile after 1.29 s have elapsed?
asked by Amelia 
chemistry
Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ∆H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ? 1. 21,962 kJ 2. 2735 kJ 3. 1368 kJ 4. 26,521 kJ 5. 685 kJ 6. 5477 kJ 7. 424 kJ 8.
asked by Anonymous 
Math
The prime factorsof a number are the first four prime numbers. No factor is repeated. What is the number?
asked by Cons 
Organic Chemistry
Procedure: 1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground glass joint, and record the weight. 2) Dissolve the Dimethyl maleate in 10 mL of methanol, and add approximately 5 drops of 10%
asked by Robert 
Chemistry
Potassium superoxide, KO2, is used for producing oxygen and removing carbon dioxide in selfcontained breathing units, space shuttles, and other enclosed spaces. First the potassium superoxide reacts with moisture to release oxygen and produce potassium
asked by Matthew 
algebra
Which of these is a variable term in the expression: –4 x2 + 100 / 2 A. 2 B. –4x2 C. –x2 D. 100
asked by addyb 
Math help
Determine the value(s), if any, of k for which the function f(x) = x^3 + 6x^2 + kx 4 gives the same remainder when divided by x − 1 and x + 2.
asked by Angela 
physics
Two cars are on a collision course. One is going right 18 m/s and has a mass of 860kg. The other is going left at 24 m/s and has a mass of 840 kg. 1. Find the total initial momentum of the two cars For this question I did first car: 860(18) = 15480 second
asked by Anonymous 
Math
the three vertices of rectangle ABCD are A(2, 1) , B(6, 1) , C(6, 4).Find the coordinates of D. Please help me,thank you.
asked by Lydia 
Math
please help find the inverse function f1(x) if f(x)=10^(3x) f(x)=log2(4x) Thanks a lot
asked by Karen 
maths
Sipho is 6 years older than betty.In 3 year's time sipho will be twice as old as betty.How old is sipho now
asked by mpho 
Math
Scott's salary decreased from $78,000 to $74,000. What is the absolute change in salary, and what is the relative change in salary. also New salary is what % less than his old salary. and New salary is what % of his old salary. and new salary is what times
asked by Shelly 
History
What were reasons for the decline in power of the Catholic Church during the Renaissance and Protestant Reformation? (Select all that apply.) European leaders resented the papacy switching allegiances with varying European states the papacy decided to
asked by malia 
BC Calculus
Fluid is flowing in a tube that has a radius of 3 centimeters. Water is flowing through a circular cross section at a rate of (9r^2) cm/s, where r is the distance from the center of the cross section. What is the total amount of water that flows through
asked by Paul 
Math
if salary increased by 10% last year and then 8% this year. and original salary was $50,000 per year. what is present salary since he has received the two raises? find the relative change between his original salary and his present salary. overall his
asked by JT 
science
Bison, Zebra, and kangaroos have similar ecological niches but cannot be shown in the same food web, why? (doesn't mater where they live)
asked by Jake 
Organic Chemistry
Procedure: 1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground glass joint, and record the weight. 2) Dissolve the Dimethyl maleate in 10 mL of methanol, and add approximately 5 drops of
asked by Robert 
Math
12,000 is compounded semiannually at a rate of % for 20 yrs
asked by Jessica 
Chemistry
Adding 2.00 g of Mg metal to 95.0 mL of 1.00 M HCl in a coffeecup calorimeter leads to a temperature increase of 9.2°C If the molar heat capacity of 1.00 M HCl is the same as that for water [cP = 75.3 J/(mol ∙ °C)], what is ΔHrxn? The answer is 44.4
asked by Anonymous 
English
1. I want to learn what car to drive. 2. I want to learn which car to drive. 3. I want to learn how to drive a car. 4. I want to learn that I can drive a car. 5. I want to learn who to drive. 6. I want to learn whom to drive.
asked by rfvv 
English
In "The Pardoner's Tale" of Chaucer's The Canterbury Tales, what is one characteristic of an allegory? A: A story within the story*** B:Rhyming of every two lines C:A tale that is told as a long prose poem D:The use of characters to stand for ideas I chose
asked by marylyn 
Organic Chemistry
Procedure: 1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground glass joint, and record the weight. 2) Dissolve the Dimethyl maleate in 10 mL of methanol, and add approximately 5 drops of 10%
asked by Sam 
Physics
Determine the coefficient of friction between a girl's skis and the snow when she skis down a 20° degree hill and her ending speed is exactly twofifths of what it would have been if the slope had been frictionless.
asked by Demi 
Social studies
Which sentence best describes How the process of the westward expansion affected American political culture? AThe need for labor led to the abolition of slavery and increased respect for personal liberty BThe concept of expansion led to an accepting
asked by Help please 
physics
Determine the coefficient of friction between a girl's skis and the snow when she skis down a 20° degree hill and her ending speed is exactly twofifths of what it would have been if the slope had been frictionless.
asked by Anonymous 
algebra
a rental truck costs $50 plus $0.40 per mile show me how to complete the table x(miles) 30 40 50 60 need help with y(cost)
asked by shirley 
Math and reading
If 7oz equal $1.19 What is 1oz
asked by Latasha 
Calculus 1
At 2:00 pm a car's speedomoter reads 20 mph, and at 2:10 pm it reads 25 mph. Use the Mean Value Theorem to find an acceleration the car must achieve.
asked by Val 
biology
how many copies of genome are present in a diploid cell in G1 phase?
asked by Kim 
physics
14.To test the durability of a new shockproof camera, the company has the camera dropped from a height of 15.0 m. Assume air resistance is negligible. How long does it take for the camera to hit the ground? What is the speed of the camera just before it
asked by emily 
PreCalculus
Prove the following to be an identity (cotx + cscx)*(1cosx)=sin x
asked by Kevin 
Science
Explain water potential and how it affects osmosis?
asked by Amy 
Genetics
Describe how chromosomes are cultured and prepared for laboratory analysis?
asked by Amy 
science
Why does the Earth get more energy from the Sun compared to any other star? •The Sun is much closer to Earth. The next closest star is 4.2 light years away. **** • The Sun is much denser than other stars. That means it produces more energy. • The Sun
asked by Taylor P. 
physics
A 6.25gram bullet travels at 365 m/s. It hits and enters a 4.50kg crate. The crates slides 0.15m along a floor until it comes to rest. Find the friction force between the crate and the floor I used p=mv to get momentum and got 2.28125 N•s I calculated
asked by Anonymous 
math
Sam invests $8000 in a stock but suffers loss of 5% per month. How many months will it take for Sam to lose a half of the original value?
asked by Heather 
Math
40 children were selling tickets for a charity. The ratio of the number of tickets each boy sold to the number of tickets each girl sold was 3:2. a)If 106 tickets were sold altogether, how many boys were there? b)What is the ratio of the number of boys to
asked by AnonymousAsh 
Maths
A square is transformed into a recatangle of perimeter 30 cm, by increasing one side by 3 cm and reducing the adjacent side by 2 cm. Find the length of the square's side.
asked by rick 
Business
If you’re a Canadian exporter would you like to see a higher Canadian dollar or a lower Canadian dollar in relation to the US Dollar? Explain using an example. I would like to see what perspectives different people have
asked by Eva 
Literature
"I have always understood that's why I have been so frequently called 'a revolutionist.' It sounds as I have done some crime! Well, it may be the American black man does need to become involved in a real revolution. The word for " revolution" in German is
asked by Katherine 
math
I have a graph (0, 1), (5, 2), (10, 3), (15, 4) (20, 5), (25, 6).What is the equation for this Graph?
asked by Cherry 
Physics
When striking, the pike, a predatory fish, can accelerate from rest to a speed of 3.6 m/s in 0.11 s .
asked by Sha 
Algerba 2
A football is kicked into the air. Its height in meters after t seconds is given by h=5(t2)^2+20 What was the height of the football when it was kicked? Is it right the y intercept is 0,0 and x intercept is (0,0) and (4,0)?
asked by John 
math
79.9 times 100= 7990 divide by 99= 80.7070707 is this right
asked by amari 
science
a body is moving with a initial velocity of 2m/s with constant acceleration of2m/s^2.another body starts from rest with constant acceleration of 6m/s^2.find how far from the second particles overtake the first
asked by Anonymous 
Law
How do law reports help drive judicial precedent? Thank you.
asked by Joseph 
Physics
An ideal gas is sealed within a container at a tempreture of 17 degree celcies and a pressure of 101KPa. The container is heated until the tempreture of the gas reaches 100 degree celcies. A valve in the container is then opened to allow gas to escape
asked by Saud 
English
1. I like my father because he gives me a lot of allowance. 2. I like my father because he gives me a lot of allowances. 3. I like my father because he gives me a lot of pocket moneys. 4. I like my father because he gives me a lot of pocket money.
asked by rfvv 
University physiology
Most tissues regulated by the autonomic nervous system recieve both sympathetic and parasympathetic input from postganglionic neurons. The responses are typically local, in contrast the adrenal medulla recieves input only from the sympathetic division, yet
asked by mikey 
English
1. Place the handout face down on the desk. 2. Face down your handout on the desk. 3. Face your handout down on the desk. 4. ______________________________.  Are they all grammatical and the same? What other
asked by rfvv 
chemistry
c6+h6+o2=co2+h2o in acidic medium balance by oxidation method
asked by Anonymous 
Physics
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s2 . The acceleration period lasts for time 5.00 s until the fuel is exhausted. After that, the rocket is in free fall.
asked by S 
Physics
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s2 . The acceleration period lasts for time 5.00 s until the fuel is exhausted. After that, the rocket is in free fall. Max height
asked by S 
social studies
why does the colonists have needed help to find and grow find？
asked by Emily 
science
100,000 light years refers to... • the size of the spirals with or galaxy (Milky Way) • an approximate measure of the luminosity of the galaxy • an approximate measure of the distance across the galaxy****
asked by Taylor P. 
Math
When I am transforming square root of X in to Y= 3 (square root of x+9) 3 Do i turn the x in to negatives because its a reflection?
asked by Alex 
Math
Chris is four times as old as Grace and Chris is 36 years older than Grace. How old is Chris
asked by Anonymous 
Physics
In a 5.00 km race, one runner runs at a steady 11.3 km/h and another runs at 14.9 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?
asked by S 
An introduction to the Middle East
What happened when Faisal took over? What are some of the challenges that Khalid had to face during his reign?
asked by Adam 
An introduction to the Middle East
Saudi Arabian political system. What are some of the sources of political influence? What are some of the political reforms demanded
asked by Adam 
An introduction to the Middle East
Is civil society allowed in Saudi Arabia?
asked by Adam 
Algebra 1
Breathless Cosmetics now offers 24 shades of eye shadow, 20% more than last year. How many shades were offered last year?
asked by A 
Thermodynamics
Derive Otto cycle efficiency and Mean Effective Pressure relation.
asked by Aaabb 
Math
A union contract called for a 7.5% increase in the hourly rate of pay. If the increase is $0.39, what was the old hourly wage and what is the new hourly wage?
asked by help please 
Thermodynamics
Describe the working of rotary expander or rotary compressor (Explain any one only) with figure
asked by Aaabb 
Physics
A flight attendant pulls her 66 N flight bag a distance of 359 m along a level airport floor at a constant velocity. The force she exerts is 42 N at an angle of 54Â° above the horizontal.
asked by Bob 
chemistry
what do you use a pipestem triangle for
asked by Stella 
Math
An older person is seven years older than six times the age of a younger person. The sum of their ages is 21. Find ages
asked by Mary 
chemistry
Consider the reaction 2 Al2O3(s) â†’ 4 Al(s) + 3 O2(g). âˆ†H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ? 1. 21,962 kJ 2. 2735 kJ 3. 1368 kJ 4. 26,521 kJ 5. 685 kJ 6. 5477 kJ 7.
asked by abdullah 
math
interpret the meaning of 15/2 and 30/3
asked by jerica 
Math
I posted this question yesterday but did not get a response so am posting again in hopes that I will get a response today. I am asking for someone to check my answers. The table shows the cost of renting a fullsize rental car, based on the number of miles
asked by Carly 
Math
Robin has 7 red beads, 27 purple beads, and 24 yellow beads. She wants to make a necklace with the pattern: 1 red bead; 3 purple beads; 2 yellow beads. How many times can she repeat the pattern? Which color of beads will she run out first?
asked by Cons 
History
Which best describes a cause that fueled the Protestant Reformation? During a famine, the Protestant doctrine of individual freedom inspired the angry peasants to rebel against their feudal masters, known as the German peasant war the council of Nicea was
asked by malia 
Physics
A golfer putts a ball to a point 22.0 ft. east of his position. The ball passed south of the hole. In order to sink the ball into the hole from his new location, the golfer will have to putt the ball 7.0 ft. on a bearing of 302T. How many feet away from
asked by Danielle 
Please help
When I am transforming square root of X in to Y= 3 (square root of x+9) 3 Do i turn the x in to negatives because its a reflection?
asked by Please help 
Math
What is the greatest square number that is even and is less then 300. What is the valueof this square number?
asked by Cons 
A  G requirements
I mest up real bad my freshmen year, I took general sciene which doesn't help me get into university. Now I'm a sophomore and I just started taking Biology, how embarassing. Any advice on how I could catch up? Also, does anyone know if health counts for
asked by Aiden 
History
What were reasons for the decline in power of the Catholic Church during the Renaissance and Protestant Reformation? (Select all that apply.) European leaders resented the papacy switching allegiances with varying European states the papacy decided to
asked by malia 
Math
From home, Todd walked 3 blocks south and 2 blocks east to a friend's house.Then they walked 6 blocks west to school. He cannot cut across blocks. How many blocks from school does Todd live?
asked by Cons 
Algebra HELP
How is multiplying radical expression similar to FOIL with binomials?
asked by grace 
math
a right rectangular pyramid has base dimensions 7yd. by 5yd. and a height of 10yd. determine the surface area of the pyramid to the nearest square yard.
asked by selena 
physics
a tennis player receives a shot with the ball travelling horizontally at 50.0 m/s and returns the shot with the ball traveling horizontally at 40.0 m/s in the opposite direction. what is the impulse delivered to the ball from the tennis racquet?
asked by Anonymous 
algebra 2
p=1/r.s+d for s please help me!!!???
asked by Bri Mullins 
Algebra: simplifying polynomials
Please simplify the following. Please show solution if possible:) Question 1: (x^3 + x^2  y^3  y^2) / (x^2  2xy + y^2) Question 2: (u^6 + v^6 + 2u^3 • v^3) / [u^3  v^3 + (u^2 • v)  (u • v^2)]
asked by K 
calculus
A water trough is 8m long and its crosssection is an isosceles triangle which is 60cm wide at the top, and the height is 60cm. The trough is not full. Give an expression for V, the volume of water in the trough in cm^3, when the depth of the water is d
asked by Teresa 
Pre calc
Form a polynomia f(x) with real coefficients having the given degree and zeros Degree: 5 ; Zeros: 2, 3i and 4i
asked by Alexa 
Pre calc
Find an equation for the ellipse described center (0,0); major axis horizontal with length 18; length of minor axis is 4
asked by Alexa 
Physics
You stand at the bottom of an 8.0mlong ramp that is inclined at 37∘ above the horizontal. You grab packages off a conveyor belt and propel them up the ramp. The coefficient of kinetic friction between the packages and the ramp is μk=0.30. A) What
asked by Kallian 
Math
If Mr. Henderson has 2 bouncy ball machines and buys one bag of the 27millilitter balls (180 per bag) and has a40milliliter bag (80 per bag), if puts an equal number in each machine how many bouncy balls will he have?
asked by i need help 
Algebra
This year, 7 fewer students tried out for Lesterville High School's football team than tried out last year. This is a 14% decrease. How many students tried out last year? This year?
asked by Anonymous 
Math ( lim inf question)
What is lim inf sin((n*pi)/8) as n > infinity.
asked by Kelsey 
English
In "The Prologue" of The Canterbury Tales, what is Chaucer's main reason for writing about the pilgrimage? A:To reveal the characters' beliefs about their religion B:To explain the personalities of different characters*** C:To describe medieval life from
asked by marylyn 
Debt Sustainability
Fiscal deficit and public debt mounted and persisted in the 1980s and thereafter not only i zambia but in countries across the world. analyse zambia's debt persistence. what are the causes of the rapid rise in zambia's indebtedness?
asked by Linda 
English
1. I don't know who to hire. 2. I don't know whom to hire. 3. I don't know who I should hire. 4. I don't know whom I should hire.  Are they all grammatical? Do we have to use 'who' or 'whom'? Which one is commonly used? 5.
asked by rfvv 
Chemistry
A crystal of ice has a density of 0.917 g/cc. (a) What is the mass (in grams) of an ice crystal with a volume of 1.666 cm3 ? (b) What is the density of ice in kg/m3 ? (c) What is the volume (in mL) of an ice crystal that weighs 2250 mg? a)1.53 b)900 c)2 Im
asked by Anonymous 
Chemistry
The density of a solution of hydrochloric acid is 1.0929 g/cc, and it is 19.00 percent by mass. What volume of the solution (in milliliters) do you need to supply 30.0 g of hydrochloric acid? I'm not sure how to start
asked by Anonymous 
Algebra
This week at Record World, records by Girl Jill cost $1.10 less than usual. This is a 20% decrease. What is the current price?
asked by Anonymous 
MATLAB
Consider the following approximation: f′(x) ≈ Af(x − 2h) + B f(x − h) + C f(x) + D f(x + h) + E f(x + 2h). 1) Determine the values of the constants A, B, C, D, and E so that the approximation is as accurate as possible. What is the order of the
asked by Chris