# Charlotte

Popular questions and responses by Charlotte-
## Math help Ms. Sue please

1. Name the subset(s) of real numbers to which the number zero belongs. You can choose more than one answer. Irrational numbers Integers Whole numbers Natural numbers 2. Write an algebraic expression for the word phrase: the quotient of r and 12. r * 12 r

*asked on September 10, 2013* -
## Math help please

1. The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5,125) represent a function. What is a rule that represents this function? Y = x Y = 4x Y = x^2 Y = x^3 I don't know how to solve this please help!

*asked on November 7, 2013* -
## math

if you are dealt 5 cards from a shuffled deck of 52 cards find the probability that all 5 cards are picture cards please show how to get the answer such 6!C! so i can understand

*asked on April 27, 2010* -
## Physics

Real world trampolines lose energy since they are damped springs with much internal friction. How much energy does the sumo wrestler lose on each bounce in this situation? Information I was given: mass=400 kg gravity=10N/kg k = 12000 N/m I also know from

*asked on February 6, 2016* -
## Algebra 1

Write an equation for the statements - a. In 2 years, Casey will be 3 times as old as Mary b. Casey's age next year c. Mary's age next year

*asked on July 27, 2020* -
## Technology

1. To insert clip art into a document, what step should I take after I find the clip art I want to insert? A. Use the scroll bars to find more choices of clip art B. Click on the clip art image C. Click on the clip art button D. Click the Insert tab at the

*asked on October 1, 2015* -
## Last questions Ms. Sue please for math

1. To which subset(s) does the number √42 belong? Rational numbers Irrational numbers Whole numbers, integers, rational numbers While numbers, natural numbers, integers 2. Evaluate the following expression for the values given. P/s + r^2q ( p = 60, q =

*asked on September 19, 2013* -
## pre calc

Let t be time in seconds and let r(t) be the rate, in gallons per second, that water enters a reservoir: r(t)=700−40t. a) For 0≤t≤30, when does the reservoir have the most water? b) For 0≤t≤30, when does the reservoir have the least water?

*asked on September 13, 2013* -
## Science

A man enters an elevator holding two boxes-one on top of the other. The top has a mass of 6.0 kg and the buttom box has a mass of 8.0 kg. The man sets the two boxes on a metric scale registers a value of 166N; this is the upward force upon the bottom box.

*asked on July 11, 2015* -
## Math help

1. Which value is a solution of the equation 5 - 4x = -3 0 2 -3 1/4 2. Which ordered pair is a solution of the equation y = x - 4 (2, 6) (6, 2) (-2, 6) (3, -1) 3. Which ordered pair is a solution of the equation y = 3x (-2, -9) (-8, -18) (-8, -3) (-10,

*asked on October 15, 2013* -
## precalc

A $5000 investment earns 7.2% annual interest, and an $8000 investment earns 5.4%, both compounded annually. How long will it take for the smaller investment to catch up to the larger one?

*asked on August 23, 2013* -
## BIO

All cells have these two characteristics: a contain DNA in the nucleus and have a plasma membrane b produce a cell wall outside of the plasma membrane c contain mitochondria and chloroplasts d have a plasma membrane and ribosomes in the cytoplasm

*asked on September 30, 2009* -
## Pre-Algebra

The area of a little league diamond is 3600 square feet. The infield for a regulation sized baseball diamond is 8100 square feet. How much farther is it from first base to second base on the regualtion sized field than of little league field?

*asked on February 12, 2020* -
## pre algebra 8th grade(0, 0.3), (1, 0.5), (2, 0.7),

how would I graph a slope of 0.2 and a y intercept of 0.3? I know that y intercept is up and down, and the slope is rise (up)over run (across) , but I am confused because of the decimal format. Thank you, I asked mom but she doesn't know either, and I

*asked on September 13, 2016* -
## Math help please

1. The ordered pairs (0, 1), (1, 4), (2, 16), (3, 64), and (4, 256) represent a function. What is a rule that represents this function? y = 4^x y = 4x y = x^4 y = x + 4 2. Consider the relationship between the height of a tree and time. Time would be

*asked on November 22, 2013* -
## BIOLOGY

From your knowledge of the size and density of cell components and the process of centrifugation, predict the order (from first to last) that the nucleus and organelles will be extracted? a.ribosomes-mitochondria and chloroplasts-nucleus-soluble cytoplasm

*asked on September 30, 2009* -
## maths

maria gave two fifths of her stickers to susan but still had 18 left. how many did she give susan. thats my homework question and i don't understand how i find out the answer

*asked on November 6, 2014* -
## Language Arts help last questions please

Identify the italicized word(s) in each sentence. 17. Going outside during a thunderstorm is not the wisest thing to do in the summer. (*Going outside during a thunderstorm* is italicized) gerund phrase participal phrase infinitive phrase prepositional

*asked on November 18, 2013* -
## Math help please

1. At midnight, the temperature, t, is 13 degrees below zero. If the temperature is expected to rise 5 degrees for the next several hours, what equation could you use to determine what temperature it will be after h hours? T = -13h + 5 H = 5t + 13 T = 5h

*asked on November 8, 2013* -
## Chemistry

Hi, I am stuck on this question and would appreciate some guidance. The question states " The value of Kw decreases as the temperature decreases. Is the auto-ionization of water an exothermic or endothermic reaction in the forward direction?" I feel like

*asked on May 31, 2013* -
## science

I want to do a science fair project on which skin moisturizer works best. How can I find some ideas on ways to test this? Thank you!

*asked on November 13, 2011* -
## Chemistry

The transformation shown below can be accomplished in TWO reaction steps. From the following list, select the two reagents (or sets of reagents) which would most effectively bring about this conversion. Reagents: 1. Conc H2SO4/heat 2. CN- 3. KMnO4 4. (i)

*asked on June 2, 2010* -
## Science Chemistry

LIST: SODIUM CARBONATE. CALCIUM CARBONATE. ZINC SULFATE. ZINC NITRATE. (a) State a pair of chemicals from the list above that can be used to prepare zinc carbonate by precipitation reaction involving mixing 2 aqueous solutions together. (b) Write a

*asked on January 7, 2017* -
## Science Chemistry

LIST: SODIUM CARBONATE. CALCIUM CARBONATE. ZINC SULFATE. ZINC NITRATE. (a) State a pair of chemicals from the list above that can be used to prepare zinc carbonate by precipitation reaction involving mixing 2 aqueous solutions together. (b) Write a

*asked on January 7, 2017* -
## Science Chemistry

LIST: Sodium carbonate. Calcium carbonate. Zinc sulfate. Zinc nitrate. (a) State a pair of chemicals from the list above that can be used to prepare zinc carbonate by a precipitation reaction involving mixing 2 aqueous solutions together. (b) Write a

*asked on January 7, 2017* -
## Economics - PLEASE CHECK ANSWERS

1. The main advantage to a corporation is.. A. Ease of entry B. Limited liability for the owners C. Dividends all go to one person D. Owners share managerial duty (I chose B) 2. The main advantage to a sole proprietorship is.. A. Ease of entry B. Financial

*asked on July 13, 2016* -
## Chemistry

How to make 100 mL of 100mM of Tris HCl and 100 mL of 100mM of Tris Base. Follow the pH of the resulting combined solution as it is heated from 0 to 50 degrees Celsius.

*asked on January 16, 2015* -
## trigonomertry math

If cos A=1/3 and tan A

*asked on May 20, 2014* -
## Science help please!

1. The relationship between temperature and volume is known as what law? 2. What is the relationship between temperature and pressure? (directly proportional or inversely proportional) 3. The relationship between volume and pressure is known as what law?

*asked on December 2, 2013* -
## Math help please

1. Each time a touchdown is scored in a football game, 6 points are added to the score of the scoring team. A team already has 12 points. What rule represents the number of points as an arithmetic sequence when n is the number of touchdowns scored? A(n) =

*asked on November 14, 2013* -
## Math help please

1. Solve for x. 4(x - b) = x b = 4/3x b = 3/4x x = 4/3b x = 3/4b 2. Solve for y, then find the value of y when given x = 2. 6x = 7 - 4y -12 7/4 19/4 24 I need help solving these. Can you please explain how to solve these problems?

*asked on October 2, 2013* -
## Math help!

1.(g + 4) - 3g = 1 + g 1 4 No solution Identity 2. 5y + 2 = 1/2(10y + 4) 5 10 No solution Identity 3. 0.5b + 4 = 2(b + 2) 0 0.5 No solution Identity 4. -3x + 5 = -3x + 10 5/6 -5/6 No solution Identity My answers: 1. 1 2. Identity 3. 0 ??? Not sure 4. No

*asked on October 1, 2013* -
## Language arts help please

1. Identify the adjectives in the followig sentence. You can choose more than one answer. After a rainfall, bugs, slugs, and all sorts of multilegged critters would descend from the ceilings and fall on the kitchen table, or worse, on our bunks. Rainfall

*asked on September 30, 2013* -
## Math help

How is writing an equation to represent a situation involving two variables similar to writing an equation to represent a situation involving only one variable? How is it different?

*asked on September 24, 2013* -
## Math Ms. Sue please

1. What is the product of (-6.8)^2? -13.6 46.24 -46.24 13.6 2. Find the product. 5/10 * 10/3 23/6 -5/7 -7/5 5/3 3. Find the quotient. 3/7 ÷ 1/2 3/14 6/7 13/14 4/7 4. Simplify the expression. 3/4 ÷ 2/5 3/10 23/22 15/8 5/9 My answers: 1. 46.24 2. 5/3 3.

*asked on September 13, 2013* -
## chemistry

How do you write a net ionic and complete ionic equation for the reaction HClO4 + Mg(OH)2 --> MgClO4 + H2O?

*asked on October 4, 2012* -
## Math

Charlotte is building a dollhouse that is a scale replica of her own house. One of the windows on the front of the house is 105 cm wide and 126cm high. On the dollhouse, the window is 7cm wide a)write a scale statement for the dollhouse? b)what scale

*asked on March 30, 2012* -
## Computers

What are the ethical, social, and political issues that might arise through using a wiki? I believe I have found all of the possible ethical issues, but I cannot seem to find anything on the political or social aspects of the question. Any help would be

*asked on October 6, 2011* -
## geography

What are 2 reasons why some geographers today believe Thomas Malthus' theory cannot be used to predict future population issues? Explain. What are 2 reason why some geographers today belies Thomas Malthus' theory can be use to predict future population

*asked on September 15, 2011* -
## Algebra 2

Find the inverse of: f(x)=(-1/2)x+3 form of answer..y= Thank you so much!

*asked on April 6, 2011* -
## college

At the center of a 50 m diameter circular ice rink, a 75 kg skater traveling north at 2.5 m/s collides with and holds onto a 60 kg skater who had been heading west at 3.5 m/s. How long will it take them to get to the edge of the rink. Where will the reach

*asked on December 1, 2010* -
## math

The odometer in your mother's car reads 2056 miles less than the odometer in your uncle's car. Your mother's odometer reads 22010 miles. About how many miles are on the odometer of your uncle's car?

*asked on October 26, 2010* -
## BIOLOGY

Which of the following organelles is found within a cell that is both eukaryotic and autotrophic? A lysosomes B ribosomes C rough endoplasmic reticulum D chloroplast

*asked on September 30, 2009* -
## Damon

thankyou so much for your help. it really helped me . thanks for taking the time to help.!

*asked on December 13, 2008* -
## yr 8 geography

reasons for the deforestation of the amazon rainforest? the reasons ive found are farming, pastureland , growing crops. im not sure of anything else. id be grateful of any help? thanks

*asked on December 13, 2008* -
## science

Which layer of the atmosphere does the greenhouse effect occur in? Thanks!

*asked on May 12, 2008* -
## Managerial finance

Superior Manufacturing is lauching a new product, that is expected to sell $950,000 of its new product the first year alone, and $1,500,000 each year thereafter. Direct cost labor and materials will be 55% in sales.indirect cost is $80,000 a year, the

*asked on June 23, 2007* -
## science

How many times did Earth orbit the sun between 140 CE and 1543 , how do you figure this up???? If you know how many years that is, the earth orbits the sun once a year. I hope this helps. Thanks for asking. How many years is 140 Ce to 1543 ?? We need to

*asked on September 5, 2006* -
## Algebra

Tyrell plans to run each week for 4 weeks - write a function equation from table x/y 1/5 2/9 3/13 4/17

*asked on February 18, 2020* -
## Algebra

Given f(x) = 2x+5 Find 1/3 f(8)

*asked on February 18, 2020* -
## Math

Ms. Pacheco, Mr. Edwards, and Mr. Richards are three math teachers at Turner Middle School. Ms. Pacheco is three years older than Mr. Richards. Mr. Edwards is twice as old as Mr. Richards. The sum of Mr. Richards’ age and Mr. Edwards’ age is 81. How

*asked on March 2, 2018* -
## Chemistry

What quantity of sulfur will exa tly react with 128g of oxygen gas to form sulfur dioxide

*asked on June 26, 2017* -
## Astronomy, Math, Science

If the Sun is at 57 degrees altitude at 12:18 pm on Sept. 1, 2016 and I held a pen that is 7 inches long in the sky, how long would its shadow be?

*asked on December 1, 2016* -
## Physics

A ship is heading North at 15 km/h in a tide moving a 6 km/h westward. Determine the magnitude and direction of the resultant velocity of the ship.

*asked on November 30, 2016* -
## Math

A bus holds 32 passengers. 150 people want to go on a bus trip. How many buses are needed? And how many empty seats are there?

*asked on November 12, 2016* -
## Architecture

Can contemporary and gothic architecture coexist?

*asked on November 5, 2016* -
## 8th grade math

how would I graph a slope of 0.2 and a y intercept of 0.3? I know that y intercept is up and down, and the slope is rise (up)over run (across) , but I am confused because of the decimal format. Thank you, I asked mom but she doesn't know either, and I

*asked on September 14, 2016* -
## math

The areas of two similar triangles are 16 and 25. What is the ratio of a pair of corresponding sides?

*asked on March 20, 2016* -
## Math (Calculus - Limits)

Find the constant c so that lim x->8 x^2+2x+c/x^2-15x+56 exists. For that value of c, determine the limit. (Hint: Find the value of c for which x-8 is a factor of the numerator). I understand that I should set (x-8)(x+b) equal to x^2+2x+c but all the

*asked on January 12, 2016* -
## math

I have 4 spinners each divided into 4 equal sections (labeled 1,2,3,4,) what is the probability of not all same? i have tried multiple ways of doing this and get different results and i don't know what is correct. I have tried 1/4*1/3*1/2*1 and got 1/24

*asked on November 1, 2015* -
## chemistry

A student is asked to standardize a solution of barium hydroxide. He weighs out 0.986 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid). It requires 27.8 mL of barium hydroxide to reach the endpoint. A. What is the molarity of the

*asked on October 5, 2015* -
## chemistry

Why is filter paper a poor material on which to powder a solid before introducing it into a melting tube?

*asked on August 6, 2015* -
## Science

An unbanked curve has a radius of 80.0 m. What is the naximum speed at which a car can make the turn if the coefficient of static friction is 0.8?

*asked on July 11, 2015* -
## American Government

The source of the Supreme Court's authority is Moral suasion Judicial activism Concurring opinion Dissent My answer: judicial activism

*asked on May 4, 2015* -
## physics

If a mass of gasoline occupies 70.01 at 20°C, What is the volume at 35°C?

*asked on March 21, 2015* -
## Chemistry

How to Prepare a 50 mM pH 6 Citrate buffer starting from citric acid as the sole source of conjugate base.

*asked on January 17, 2015* -
## Chemistry

How to perform a pH Titration of 25 ml of 50 mM Phosphoric acid from pH 1 to pH 13 with 1 N NaOH (including standardizing the NaOH).

*asked on January 17, 2015* -
## Physics 10 (helppp please) thannnks

A sagging floor is jacked up and a steel girder 10 ft long whose cross sectional area is 6in^2 is put underneath. When the jack is removed, a strain gauge shows that the girder has been compressed by 0.0080in. Find the weight the girder is supporting in

*asked on January 14, 2015* -
## Physics

a wire 100 cm long and 0.2 cm in diameter is suspended from a support. a 10 kg mass is hung from the lower end of the wire. a find the stress b find the strain c young's modulus of elasticity

*asked on January 13, 2015* -
## Physics grade 10

john is walking at such speed so that his kinetic energy is 20 J, what is his speed? It started to rain John runs at a rate of 4.2 m/s find the change in KE.

*asked on December 13, 2014* -
## college algebra

A rectangle picture frame has a perimeter of 1800 centimeters and a width that is 300 less than its length. Find the area of the picture.

*asked on November 20, 2014* -
## Chemistry

The boiling point of diethyl ether CH3CH2OCH2CH3 is 34.500C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is cholesterol . How many grams of cholesterol, C27H46O (386.6 g/mol), must be dissolved in 208.0 grams of diethyl

*asked on October 5, 2014* -
## algebra

Jim has some nickels, dimes and quarters worth $5.30. There are five times as many dimes as quarters, and six more nickels than dimes. How many of each kind of coin does he have?

*asked on September 9, 2014* -
## Language Arts - Grammar - please check answers

1. Michelle Kwan has become an inspiration to us all. 2. Is Sara the runner in the blue T-shirt? 3. I could have been a contender. 4. The winner of the spelling bee was Tracy. 5. The next speaker will be Mr. Gonzales. 6. Who was the fourteenth president of

*asked on April 15, 2014* -
## Language Arts - Grammar - please check answers

Identify the linking verb and the predicate nominative. 1. My partner for biology lab is Penelope. 2. Jason will be the next student council president. 3. Mrs. Furillo's favorite song is still "Night and Day." 4. Rocky Marciano was the world heavyweight

*asked on April 15, 2014* -
## Science

What is the origin of volcanism?

*asked on March 3, 2014* -
## Algebra help ASAP please

Simplify. 1. x^2 - 1/2x^2 - x - 1 2. x^2 - 16/x^2 - 6x + 8 3. 6x^2 + 4x/2x^2 + 4x My answers: 1. ??? 2. x+4/x-2 3. 3x?

*asked on February 27, 2014* -
## Algebra help ASAP please

simplify each expression. 1. 6/2b - 1 minus 4/b - 1 2. n-6/2n + 2 plus 4n/3 3. 4/6x^3 - 12x^2 minus x - 3/6x^3 - 12x^2 please explain how to do these!! thanks

*asked on February 27, 2014* -
## Algebra 1

Simplify each expression. 1. 2x + 10/x+5 2.x^2 - 25/3x - 15 3. x^2 + 4x/x^2 - 9x 4. n^2 + 7n + 10/ n^2 + 2n - 15 Please explain how to do these I don't understand!

*asked on February 6, 2014* -
## Language Arts help please

Choose the word(s) that the italicized phrase modifies or describes. 1. According to this map, the smallest region in the United States is New England. (*is New England* is italicized) map smallest region Unted States 2. DynaTAC800X, the nation's first

*asked on November 18, 2013* -
## Health

9. Kristy, a 13-year-old girl, has a resting heart rate of 67 beats per minute. Using the lower and upper limit reserve training percentages of 50 percent and 85 percent respectively, what is Kristy’s target heart rate range? 137 to 186 per minute 140 to

*asked on October 23, 2013* -
## Math

1. The US Senate is composed of 2 senators from each of the 50 states. For a treaty to be ratified, at least two-thirds of the senators present must approve the treaty. Suppose all senators are present and 48 of them have voted in favor of a treaty. What

*asked on October 16, 2013* -
## Social studies help please

1. Great early American civilizations built large cities In Central and South America In Alaska On the plains of North America In Asia 2. Spanish explorers first arrived in the Americas In the nineteenth century In the late 1400s In the late 1500s In the

*asked on October 9, 2013* -
## Math last question i promise

I have another problem: Solve this equation: $19.95 + $.99m + $65.32 = $144.67 I swear this is the last question! I'm sorry I am asking so much, I just need a little help.

*asked on September 27, 2013* -
## Math help please last question

Solve the equation. 10. 2(4x -4) + 2(3x + 2) = 360 Can you please help me on this problem? Could you explain it please? I'm confused...

*asked on September 27, 2013* -
## Math help please

1. 2(3x + 5) = 46 4 5 6 7 2. 1/2x + 1/4x = 16 16 21.3 32 64 3. 6 - x - x = 18 -6 6 9 -9 4. 4x - 3/5 = 2/5 1/5 5/5 1/2 1/4 My answers: 1. 6 2. 21.3 3. ???? 4. 1/4 I have no idea how to solve 3! Can you please explain? Thank you

*asked on September 27, 2013* -
## Math help last question

7. Solve. 2/3x - 5 = 1 x = 3 x = 4 x = 9 x = 12 My answer 7. x = 9

*asked on September 25, 2013* -
## Math help Ms. Sue please

1. What is the simplified form of the expression? 7m^2 + 6.5n - 4n + 2.5m^2 - n 9.5m^2 + 1.5n 4.5m^2 + 1.5n 1.5m^2 - 4.2n 9.5m^2 - 1.5n 2. What is the sum? 9/4 + (-1/5) 41/20 -41/20 -1/3 8/20 3. Order the following numbers from least to greatest. √7,

*asked on September 19, 2013* -
## Language Arts 6 Ms. Sue please

1. Which word is modified by the adjective in the sentence below? The drama production will start promptly at 8 o'clock. Start Promptly Production Drama 2. Which word is modified by the adjective in the sentence below? Not a single day goes by without me

*asked on September 18, 2013* -
## Math Ms.Sue please

1. 2/3 - 5/4 -3 -3/12 23/12 -17/12 2. -6.1 + 1.7 7.8 -4.4 -7.8 4.4 3. -1.8 - 3.9 -2.1 5.7 2.1 -5.7 4. A mountain climber ascends a mountain to its peak. The peak is 12,740 feet above sea level. The climber then descends 200 feet to meet a fellow climber.

*asked on September 12, 2013* -
## Physics with Calc

A highway curve forms a section of a circle. A car goes around the curve as shown in the helicopter view of Figure P1.48. Its dashboard compass shows that the car is initially heading due east. After it travels 840 m, it is heading 35.0° south of east.

*asked on July 17, 2013* -
## Math 111

Suppose that $5000 is invested in an account with an account with an APR of 12% compounded monthly. Find the future value of the account in 5 years.

*asked on April 24, 2013* -
## Social Studies

I've thought about this question for a long time and done some research but I still can't decide. Could someone please give me their opinions? "Was conflict over the Red River Settlement inevitable?" Thanks!

*asked on January 13, 2013* -
## math

How much is 5% simple interest on $100,000 from June 6 2009 until Oct 1 2012?

*asked on October 3, 2012* -
## Algebra

Ben traveled by car at an average speed of 29 miles per hour. Then, he traveled by motorcycle at an average speed of 53 miles per hour. In total, he traveled 333 miles for 9 hours. How many minutes did Ben travel by motorcycle? (Round to the nearest

*asked on August 13, 2012* -
## chemistry

if CaC2 + 2H2o -> C2H2 + Ca(OH) then how many grams of H2o are needed to react with 483 grams of calcium carbide?

*asked on May 3, 2012* -
## math

How do I know which side is the base of a triangle? I'm trying to find surface area of a trianglular prism.

*asked on April 30, 2012* -
## pysics

a piston-cylinder device initially contains 0.4m^3 of air at 100KPa and 80 degrees celcius. the air is now compressed to 0.1m^3 in such a way that the temperature inside the cylinder remains constant. determine the workdone by during this process.

*asked on October 25, 2011* -
## physics

An olympic diver springs forward off a 10 meter platform. He enters the water 8 meters beyond the edge of the platform. how much time does it spend in the air?

*asked on October 18, 2011* -
## Math

How do you answer this problem? The square root of 24 subract the square root of 3/2.

*asked on March 16, 2011*

## Pages

**1**- 2