# Marie

Newest questions and responses by Marie-
## math

Hello! I need help with a math problem, this is the question: The tallest freestanding structure in the Canada is the CN tower, located in Toronto, Ontario. It is 390 m taller than the tallest church tower in the world, located in Germany. The sum of their

*asked on December 10, 2018* -
## Math

Cezar ised nails, screws, and pegs to build a model house. He used twice as many as pegs and 3 fewer nails than screws. He used 15 nails. How many pegs did he use?

*asked on July 11, 2018* -
## science

Is the flame coloration a test for the metal or for the acid radical?

*asked on May 8, 2018* -
## Social studies

Based on the timeline what can be directly tied to the invention of the cotton gin *cant upload the time line A civil war B economic hardship in the south C the spread of slavery D industrialization in New England *lesson 8 unit 7 Unit test

*asked on March 19, 2018* -
## Math

To describe a sequence of transformations that map triangle ABC onto triangle ABC a student starts with a reflection over the X axis. how should the student complete sequence of transformations to map triangle ABC onto triangle ABC

*asked on March 19, 2018* -
## Math

Jason is driving from lick you to Datsun a distance of more than 200 miles after driving 60 miles Jason stop for gas how many more miles, X, does Jason have to drive to reach dodge city

*asked on March 14, 2018* -
## Math

A baseball bat eight baseballs cost $163.25 that cost 106.45 what is the cost of c of one baseball *posting again bc no one helped me before :((

*asked on March 14, 2018* -
## Math

Jason is driving from lick you to Datsun a distance of more than 200 miles after driving 60 miles Jason stop for gas how many more miles, X, does Jason have to drive to reach dodge city

*asked on March 14, 2018* -
## Math

Jacob weighs 64 pounds together he and his sister wait 8 pounds more than two times a week and sisters what is the weight ,w,of Jacobs sister

*asked on March 14, 2018* -
## Math

A baseball bat eight baseballs cost $163.25 that cost 106.45 what is the cost of c of one baseball

*asked on March 14, 2018* -
## Language Arts Help me!!

The "trouble with television" Robert Mac Neil voices a strong opinion about television in a paragraph explain his opinion. then tell whether you agree or disagree with him. Support your view with at least two pieces of evidence from Mac Neil's essay or

*asked on January 18, 2018* -
## Algebra

Pressure acting on 30 m^3 of a gas is reduced from 2 to 1 atmospheres. What new volume does the gas occupy? (Boyles law) What if it is increased from 1 to 2? What new volume?

*asked on January 16, 2018* -
## language arts

the trouble with television Robert MacNeil voices a strong opinion about television in a paragraph explain his opinion then tell whether you agree or disagree with him support your view with at least two pieces of evidence from MacNeil's essay or from your

*asked on January 16, 2018* -
## Math

62 is the sum of 16 and hectors score

*asked on January 14, 2018* -
## Science

Relate the wave speeds of red, orange, yellow, green,blue and violet with the speed of light.

*asked on December 1, 2017* -
## Science

Explain the relationship between visible light spectra and frequency.

*asked on December 1, 2017* -
## Science

Explain the relationship between visible light spectra and wavelength.

*asked on December 1, 2017* -
## Science

Explain the relationship between visible light spectra and energy.

*asked on December 1, 2017* -
## Math

A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 6 interactions. If there are 3 children, there can be 15

*asked on November 15, 2017* -
## physics

Two metal sphere, suspended by vertical cords, initially touch. Sphere 1, with mass 30g is pulled to the left to a height 8.0 cm and then released. After swinging down, it undergoes and elastic collision with sphere 2 whose mass is 75 g. a) What is the

*asked on November 3, 2017* -
## Math

The major axis of the ellipse lies on the line y=3 and has length 6; the minor axis lies on the line x=–4 and has length 4;

*asked on October 12, 2017* -
## College Algebra

What is the amount of $480 invested at 6% quarterly for a period of 3 years?

*asked on September 16, 2017* -
## French

Hi I wrote this today and I wondered if you could help me see if there is anything wrong with my grammar: "Je me levé à dix heures. Je suis monte les escaliers pour prendre le petit déjeuner. J’ai mange une tranche de pain avec fromage. J’ai bu

*asked on May 19, 2017* -
## physics

what is the physics principle behind fiber optics

*asked on May 11, 2017* -
## science

DNA is synthesized during which of the following stages of the cell cycle? Choose all that apply A.mitosis B.G2 C.S D.G1 E.interphase F. cytokineses I answered with A,C,E am I missing one? I am pretty sure I am

*asked on March 28, 2017* -
## Maths

The number of cattle on a ranch was four times the number of horses. After 280 cattle were sold, there were twice as many horses as cattle. What were the total numbers of horses and cattle on the ranch before the 280 were sold?

*asked on March 27, 2017* -
## college algebra

Aki's Bicycle Designs has determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x) =0.1x^2−1.4x+8.096, where C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the

*asked on March 25, 2017* -
## college algebra

A rocket is fired upward from some initial distance above the ground. Its height in feet, h,above the ground, t seconds after it is fired, is given by h=−16t^2+64t-3072

*asked on March 25, 2017* -
## english

If people are ignored because of their inability to speak standard English, what have they encountered? a. language bias b. language variety c. language prejudice d. language snobbery Are these real phrases? I don't know where to look them up to try to

*asked on March 15, 2017* -
## english

Which type of essay is Amy Tan's "Mother Tongue"? a. persuasive b. regional c. bias d. reflective I read this essay and I think it is an essay that gives information to others people about the trials and tribulations of having a mother that doesn't speak

*asked on March 15, 2017* -
## english

Which lines best reveal Lawrence Ferlinghetti's troubled view of modern American society? To the Oracle at Delphi by Lawrence Ferlinghetti (excerpt) I, Americus, the American, wrought from the dark in my mother long ago, from the dark of ancient Europa—

*asked on March 15, 2017* -
## english

Select the excerpt from "Mother Tongue" by Amy Tan that best describes language bias. 1. I've heard other terms used, "limited English," for example. But they seem just as bad, as if everything is limited, including people's perceptions of the

*asked on March 15, 2017* -
## english

Read this excerpt from â€œAinâ€™t I a Woman?â€ by Sojourner Truth. In which sentences does she make an emotional appeal to the audience by talking about her personal hardships? 1). I think that 'twixt the negroes of the South and the women at

*asked on March 14, 2017* -
## Texas History

need help with these; What best shows the broadest trend in modernization of Texas' economy? A. At one time, most Texans worked in agriculture; now the economy is more diverse. B. Oil is no longer the dominant industry in the state. C. The entertainment

*asked on March 13, 2017* -
## English

In this excerpt from A Christmas Carol by Charles Dickens, what does Scrooge's reflection reveal about his character? And now Scrooge looked on more attentively than ever, when the master of the house, having his daughter leaning fondly on him, sat down

*asked on March 13, 2017* -
## ENGLISH

It was a rainy day, but Joan and I had planned a trip. Joan wanted to go to the beach for a swim. I wasn't sure if we should go. "I think we should wait a little longer... at least until the rain shows some signs of slowing down," I suggested. "We can't

*asked on March 13, 2017* -
## english

Which two elements define a story’s setting? a. geographical location b. character descriptions c. time and weather conditions d. plot structure e. dialogue and action The setting is the time and place definitely A and c? never thought about weather

*asked on March 13, 2017* -
## english

Which four lines in this excerpt from Stephen Crane’s “An Episode of War” show that there were poor medical facilities during the Civil War, and the injured were not properly tended to in the field hospital? a. The drivers were tossing the blame of

*asked on March 13, 2017* -
## english

Which literary device is used in this poem? For a Lady I Know by Countee Cullen She even thinks that up in heaven Her class lies late and snores While poor black cherubs rise at seven To do celestial chores. a. onomatopoeia b. repetition c. hyperbole d.

*asked on March 12, 2017* -
## English

Which sentences in this excerpt from Ernest Hemingway's "In Another Country" reflect the theme of the psychological alienation caused by war? We all had the same medals, except the boy with the black silk bandage across his face, and he had not been at the

*asked on March 9, 2017* -
## english

In Another Country by Ernest Hemingway (excerpts) Excerpt 1 "In the fall the war was always there, but we did not go to it any more. It was cold in the fall in Milan and the dark came very early. Then the electric lights came on, and it was pleasant along

*asked on March 9, 2017* -
## english

Based on the excerpt, what is the contextual meaning of the word jostle? Although, as we walked to the Cova through the tough part of town, walking in the dark, with light and singing coming out of the wine-shops, and sometimes having to walk into the

*asked on March 8, 2017* -
## literature

Why do authors use rhetorical devices in essays? a) to simplify the meaning of the main idea B)to increase the credibility of the essay C)to evoke a personal response from readers E)to show their skill as diverse writers F)to compare two or more essays

*asked on March 8, 2017* -
## english

Which excerpt from Carl Sandburg’s "Three Boys with Jugs of Molasses and Secret Ambitions" includes both alliteration and onomatopoeia? a."And I like you because you got some wishes and some suspicions and you look mixed up," he said to Miney Mo,

*asked on March 5, 2017* -
## english

:Select the correct excerpt. Which excerpt from Robert Stawell Ball's Great Astronomers is best supported by this diagram? The diagram show the earth in the middle the sun circling it then the moon circling earth but farther away with mars circling the

*asked on March 4, 2017* -
## english

Which label best fits the following text? Sir Isaac Newton, the first person who studied gravity seriously, discovered what is known as the law of universal gravitation. It defines the amount of attraction of one particle of matter on another particle of

*asked on March 4, 2017* -
## Pre-Algebra

A sphere and a right cylinder have the same radius and volume. the cylinder has a height of 3 inches find the radius.

*asked on February 28, 2017* -
## Algebra I

Determine whether the equation y=2x^4-8x+6 has a graph that is symmetric with respect to the y-axis, the x-axis, the origin, or none of these

*asked on February 25, 2017* -
## english

Which of the following statements describes a functional text? a. It provides a first-person account of a personal experience. b. The primary purpose is to provide information to perform a task. c. The primary purpose is to construct a logical argument. d.

*asked on February 23, 2017* -
## english

1.Even though he had been driving for five hours, Jacob was not (A. inclined, B. coherent, C. nuanced, D. incisive) to rest or trade spots with anyone else in the car. Although he was accustomed to sarcasm, Alex was not prepared for the comedian's biting,

*asked on February 22, 2017* -
## english

Which words or phrases in this excerpt from Elizabeth Bishop's "The Fish" compare the fish to an old, experienced soldier? A green line, frayed at the end (A) where he broke it, two heavier lines, and a fine black thread still crimped from the strain and

*asked on February 22, 2017* -
## English

Which of the sentences below is an excerpt taken from "In Another Country" by Ernest Hemingway is an example of irony? A. My knee did not bend and the leg dropped straight from the knee to the ankle without a calf, and the machine was to bend the knee and

*asked on February 21, 2017* -
## Math

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. The lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. The height of the trapezoid is 12 ft. What is the area of the stage? Enter your answer in

*asked on February 16, 2017* -
## Science

When the North Pole is tilted toward the Sun, which hemisphere will have the summer season? Northern Hemisphere - June

*asked on February 15, 2017* -
## pre calc

Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24). The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you

*asked on February 5, 2017* -
## Pre geometry

The cross country bike trail follows a straight line where it crossess 350th and 360th streets. The twonstreets are parallell to each other. What is the measure of the larger angle formed at the intersection of the bike trail and 360th street. explain only

*asked on December 16, 2016* -
## Math

1/3 gallon of tea into 3 cups. How much in each cup?

*asked on October 20, 2016* -
## math

How can I write subtraction problems as an equivalent addition problem? 9_7=x x-6=3

*asked on October 10, 2016* -
## College Algebra

Let x = the number of birds that Tim has. Let y = the number of dogs that Tim has. Tim has more than twice as many dogs as he has birds. Tim has more than 2 birds. The total number of dogs and birds that Tim has is less than 11. Set up an appropriate

*asked on October 4, 2016* -
## Engkish

The plants did not grow this Spring Identify Subject and Verbs

*asked on September 7, 2016* -
## algebra

a cone shape pile as a base diameter of 24feet and is 7feet tall. find the volume of the sawdust pile

*asked on September 4, 2016* -
## Math

For the given equation of line: y = 0.5x - 2 identify slope and based on slope (without graphing) determine if line goes upwards, downwards or stay horizontal.

*asked on June 27, 2016* -
## Math

Rent-a-Car company charges for renting a car $35 plus $15 per day (unlimited mileage). Ley x denote numer of days and y - denote the total cost of car rental. Write the equation that expresses y (in dollars) in terms of x (days of rental).

*asked on June 27, 2016* -
## Chemistry

Combustion of 1g of an organic compound known to contain C, H and O produces 2.36g CO2, 0.64g H2O. What is the empirical formula?

*asked on June 15, 2016* -
## economics

Q1=750+5p Q2=1200-2p giving reasons identify the demand and supply functions. using a well labeled diagram explain what would happen if price is shs50

*asked on June 13, 2016* -
## physics

A string is stretched between fixed supports separated by 73.0 cm. It is observed to have resonant frequencies of 380 and 475 Hz, and no other resonant frequencies between these two.

*asked on June 9, 2016* -
## Algebra

5/6-2(-1 3/4)/5 1/5 Help!!

*asked on May 31, 2016* -
## Physical Science

How much heat is necessary to change 305g of ice at -11c to water at 20c

*asked on May 25, 2016* -
## Chem

A 175-g sample of water is saturated with KNO3 at 40ºC. What mass of KNO3 forms a precipitate if the solution is cooled to the freezing point of water? (Refer to the Solubility and Temperature graph.)

*asked on May 24, 2016* -
## World Geography

During the late 18th and mid 19th centuries, Europeans and North Americans were attracted to nearby coastal waters due to potential economic gains from catching trout and cod fish*** catching seals and whales shipbuilding finding riches on unexplored

*asked on May 4, 2016* -
## math

My teacher assigned us this problem: Using the following logarithms Log2,log3 and log10 solve for the log150,log 75 incorporating the properties of logarithms ,i tried ,but failed plz help!!

*asked on May 2, 2016* -
## quim

A 453 K and 755 mm Hg , what volume of N2 completely react with 22.2 L H2 to produce NH3 ? N2 ( g ) + 3 H2 ( g ) -> 2 NH3 ( g ) I doubt if I use the ideal gas formula PV = nRT or another , but having only a pressure and a temperature which is not used

*asked on April 11, 2016* -
## quim

A 453 K y 755 mm Hg, ¿qué volumen de N2 reaccionará completamente con 22.2 L H2 para producir NH3? N2(g) + 3 H2(g) --> 2 NH3(g) tengo la duda si uso la fórmula de gas ideal PV=nRT o alguna otra, pero al tener solo una presión y una temperatura no se

*asked on April 10, 2016* -
## Calculus

Reverse the order of the double integral (y+1) dx dy, where -1

*asked on April 9, 2016* -
## Chemistry

A sample has a molar mass of 162g/mol. When a sample of mass 0.385g was burned , 1.072g of CO2 ,0.307g H2O and 0.068g of nitrogen were produced. What is empirial and molecular formular of a sample . Write equation for combustion

*asked on April 7, 2016* -
## Chemistry

A sample has a molar mass of 162g/mol. When a sample of mass 0.385g was burned , 1.072g of CO2 ,0.307g H2O and 0.068g of nitrogen were produced. What is empirial and molecular formular of a sample . Write equation for combustion

*asked on April 6, 2016* -
## Real Analysis (Math)

Prove f(x) is discontinuous at 0 for the function f(x) = x if x>=0 and f(x) = 1 - x if x < 0 using the epsilon-delta method.

*asked on March 31, 2016* -
## Math

Determine the value of c for the quadratic expression. X^2-14x+c

*asked on March 23, 2016* -
## Bus.

Which one of the following statements describes the actions of an organization practicing TQM? A. Maximize ROI. B. Emphasize the short term. C. Make improvement goals easy and attainable. D. Make customer needs the highest priority

*asked on March 20, 2016* -
## Calculus (Line Integral)

Let c be a curve w/parameterization r(t). show that the line integral of T dr equals the length of the curve where T is the unit tangent.

*asked on March 19, 2016* -
## Physics

How do you determine the work done by the frictional force?

*asked on March 16, 2016* -
## Physics

How can you figure out the work done by the frictional force if the friction is 80 Newtons against a horizontal force of 290 newtons. Is it simply subtracting 290 - 80 = 210?

*asked on March 16, 2016* -
## physics

If I solved for centripetal acceleration how can you determine the magnitude of the force required to produce this centripetal acceleration? Next step please.... v=15m/s r=35m m=1300 kg 15 squared/35m=225/35= 6.43m/s squared

*asked on March 16, 2016* -
## Algebra

Suppose that the maximum weight that a certain type of rectangular beam can support varies inversely as its length and jointly as its width and the square of its height. Suppose also that a beam 6 inches wide, 2 inches high, and 12 feet long can support a

*asked on March 11, 2016* -
## Algebra

Suppose that the maximum weight that a certain type of rectangular beam can support varies inversely as its length and jointly as its width and the square of its height. Suppose also that a beam 6 inches wide, 2 inches high, and 12 feet long can support a

*asked on March 11, 2016* -
## Discrete Math (function and similar triangles)

I need to show that (0,1) and (10, infinity) have the same cardinality. Can I use similar triangles with open intervals? For example, I defined the open interval (10, infinity) to be on the positive x-axis and (0,1) to be on the positive y-axis. Then I

*asked on March 5, 2016* -
## Algebra

The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 15 hours for a car moving at 54 mph. What is the speed of a car that makes the trip in 27 hours?

*asked on February 14, 2016* -
## Physics

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 2 L, the pressure is 1065 kPa (kilopascals). What is the pressure when the volume is 15 L?

*asked on February 9, 2016* -
## Chemistry

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 2 L, the pressure is 1065 kPa (kilopascals). What is the pressure when the volume is 15 L ?

*asked on February 8, 2016* -
## Math

A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter

*asked on February 4, 2016* -
## Math plz help one qustion only!!!!!!!!!!!!!!!!!!!!

A trapezoid has an area of 24 square meters. The lengths of the bases of the trapezoid are 5 meters and 7 meters. What is the height of the trapezoid? • 4 meters************ • 144 meters • 2 meters • 1 meter

*asked on February 4, 2016* -
## Physics

is the mechanical energy of a teflon coated block sliding down a rough incline remaining constant?

*asked on January 25, 2016* -
## math

the price of lemonade went from .20 to .25 what is the percentage increase?

*asked on January 15, 2016* -
## math

If the digits of the number are reversed, the number is increased by 36. The sum of the digits in the number is two and one–half times their difference. What is the number?

*asked on November 18, 2015* -
## math

Twice the sum of two numbers exceed three times their difference by 8, while half the sum is one more than the difference. What are the numbers?

*asked on November 18, 2015* -
## Math

In 5 years, Ana's age will be twice the age of her friend Jun. 5 years ago, she was 3 times as old as her friend. Find their present ages.

*asked on November 18, 2015* -
## Integer Exponents

1) (6abc^2) / 15a^2 x (2bc / 3a)^-2 = 2) (4x^3 2x^-4) / (5x)^-1 =

*asked on November 17, 2015* -
## math (Calculus III)

In this example we should use the beta function. But I'm a bit lost, because I don't know how to change the limits of the integral to fit the one that is needed when using B-function. The problem goes like this: integrate cos^7(x) dx, limits of the

*asked on November 17, 2015* -
## physics b

If heat Q is required to increase the temperature of a metal object from 4°C to 6°C, the amount of heat necessary to increase its temperature from 6°C to 12°C is A Q B 2 Q C 3 Q D 4Q please help me asap

*asked on November 12, 2015* -
## physics b

If heat Q is required to increase the temperature of a metal object from 4°C to 6°C, the amount of heat necessary to increase its temperature from 6°C to 12°C is _____.

*asked on November 12, 2015*