# ella

Most popular questions and responses by ella-
## Algebra

Jesse Played two days of golf. On the second day, he got a score of six bellow par, or -6. His total score for the two days was o above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your

*asked on November 8, 2017* -
## Math

1. Which ratios form a proportion? (1 point) a. 3/15, 12/55 b. 8/24, 12/35 c. 5/18, 25/90 ***??? d. 4/11, 16/25 2. Which ratio forms a proportion with 9/15? (1 point) a. 6/10 ***??? b. 16/21 c. 36/50 d. 45/70 3. A textbook weighs 2.5 pounds. How many

*asked on November 16, 2017* -
## Math

At 10:00 AM a truck started traveling from point A with a speed of 40mph. 3 hours and 10 minutes later a car started to drive from point A in the same direction with an average speed of 60mph. At what time will the car catch up with the truck?

*asked on May 15, 2019* -
## Math

Which is the best buy? (1 point) a. 16 ounces of hand soap for $2.40 b. 20 ounces of hand soap for $2.80 c. 24 ounces of hand soap for $3.00***??? d. 12 ounces of hand soap for $2.00 Check my answer pls

*asked on November 17, 2017* -
## Algebra

Jesse Played two days of golf. On the second day, he got a score of six bellow par, or -6. His total score for the two days was o above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your

*asked on November 8, 2017* -
## Please Check Answers for Health

Please check my answers because I need to do good at this. 1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential

*asked on November 6, 2014* -
## English

PRESS RELEASE Contact: John Hemington, Human Resource director S+F Media is seeking a new member for our web design team. An innovator at the top of the field, S+F media has been delivering sleek, polished websites and user interfaces to our clients for

*asked on October 9, 2018* -
## Poetry??

Read the following excerpt from “and sometimes i hear this song in my head.” "and our tongues keep remembering the rhythm of the words we forgot swaying on the backs of buses and in hot kitchens crooning in pool halls and shared bathrooms yeah/we

*asked on March 5, 2013* -
## Precalculus ????

1. At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel three minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates

*asked on November 26, 2015* -
## Precalculus ????

The temperature in your house is controlled by a thermostat. The temperatures will vary according to the sinusoidal function: f(x)=5sin(pi/12)*(x-11)+19 where f(x) represents the temperature in degrees Celsius (°C) and x is hours since midnight. What is

*asked on November 27, 2015* -
## physics

A student throws two beanbags in the air, one straight up and the other one at a 30° angle from the vertical. Both beanbags are thrown with the same initial velocity and from the same height. In your own words, explain which one will come back and hit the

*asked on March 11, 2013* -
## chemistry

Potassium perchlorate has a lattice energy of -599 kj/mol and a heat of hydration of -548 kj/mol. Find the heat of solution for potassium perchlorate when 10.6 g of potassium perchlorate is dissolved with enough water to make 102.7 ml of solution.

*asked on September 18, 2009* -
## Math

Are the ratios 25/45 and 15/27 proportional? Explain and show your work (2 points) A 10-acre field produced 750 bushels of corn. At that rate, ho much corn be produced at a 14-acre field? Show all of your work. (2 points)

*asked on November 16, 2017* -
## Math

Which pair of ratios forms a proportion? a. 4/5 and 16/24 b. 9/15 and 3/4 c. 5/8 and 30/48 d. 9/10 and 40/45 I'm very confused pls give me the answer and how you got that so I can understand.

*asked on November 17, 2017* -
## Science

Which of the following statements about electromagnetic radiation is true? A. It transfers energy to objects of the electromagnetic waves. B. It can be converted to other energy forms. C. It transports the energy of electromagnetic waves. D. all of the

*asked on May 20, 2019* -
## college

while a patient is having surgery,his doctor notices a small mole.The doctor doesn't think the mole is anthing to worry about,but he decides to remove it to perform a biopsy.What is the doctor guilty of?

*asked on July 9, 2010* -
## Math

1. Which ratios form a proportion? (1 point) a. 3/15, 12/55 b. 8/24, 12/35 c. 5/18, 25/90 d. 4/11, 16/25 2. Which ratio forms a proportion with 9/15? (1 point) a. 6/10 b. 16/21 c. 36/50 d. 45/70

*asked on November 16, 2017* -
## university physics

A platinum resistance thermometer has resistances of 200.0 ohms when placed in a 0 degrees Celsius ice bath and 253.8 ohms when immersed in a crucible contacting melting potassium. What is the melting point of potassium? Hint: First determine the

*asked on November 20, 2012* -
## Algebra

Which is the radian measure of an angle whose sine is 0.7? A. 0.64 B. 0.76 C. 0.78 D. 0.80

*asked on May 21, 2019* -
## Please help with Physical Science 2!! Confused!

Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate example, so in row #1, 175.32 grams of NaCl is how many moles of NaCl and how many molecules of NaCl does it contain?) Grams NaCl

*asked on February 5, 2013* -
## Quick calc question

Suppose the integral from 2 to 8 of g of x, dx equals 13, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of 2 plus the integral from 2 to 6 of g of x, dx. 16 18 8 32

*asked on February 23, 2016* -
## physics, help! urgent!

A positive point charge q = +2.50 nC is located at x = 1.20 m and a negative charge of ƒ{2q = ƒ{5.00 nC is located at the origin. (a) Sketch the electric potential verses x for points on the x-axis in the range -1.50 m < x < 1.50 m. (b) Find a symbolic

*asked on November 14, 2012* -
## Calculus

Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

*asked on February 18, 2016* -
## Quick calc question

Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

*asked on February 23, 2016* -
## Geometry

Are the slopes given 1/-3 and -1/-3 of two lines, parallel, perpendicular, neither or both? I think the two slopes of two lines are both, but I'm not quite sure. May someone help me?

*asked on January 9, 2019* -
## math

a die is thrown twice, find the probability of getting two 5’s. Be sure to represent your answer as a fraction in simplest form!

*asked on July 25, 2017* -
## Stats

The waiting times between a subway to Podger schedule and the arrival of the passenger on uniformly distributed between zero and nine minutes find the probability that a randomly selected passenger has been waiting greater than 3.25 minutes

*asked on March 11, 2015* -
## Quick calc question

Suppose the integral from 2 to 8 of g of x, dx equals 13, and the integral from 6 to 8 of g of x, dx equals negative 3, find the value of 2 plus the integral from 2 to 6 of g of x, dx. 16 18 8 32

*asked on February 17, 2016* -
## ChemistryDrBob222 could you please check this over

0.281g of Fe(NH4)2(SO4)2*6H2O is dissolved in a total volume of 500.0 mL of water, calculate the resulting Fe concentration in ppm. molar mass of Fe(NH4)2(SO4)2*6H2O = 392.14088g/mol molar mass of Fe = 55.845g/mol 0.281g * (1mol/392.14088g) = 7.165X10^-4

*asked on February 13, 2012* -
## Algebra word problem

A parabolic arch has a height of 20 m and a width of 36 m at the base. If the vertex of the parabola is at the top of the arch, at which height above the base is it 18 m wide?

*asked on October 11, 2014* -
## Math. Answer soon please.

An estimate for negative square root of 93 is ___ A-8.1 B-8.5 C-9.1** D-9.5 Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden? A:6FT** B:7FT C:8FT

*asked on October 6, 2017* -
## Biochemistry

A buffer solution is prepared by mixing 80.0 mL of 0.20 M NaH2PO4 and 120.0 mL of 0.20 M Na2HPO4.What is the pH of the resulting solution?

*asked on December 2, 2018* -
## Geometry need help pls

A. A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? B. (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

*asked on April 21, 2010* -
## Quick calc question

Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

*asked on February 17, 2016* -
## Quick calc question

the integral from 2 to 3 of 1 divided by the quantity 3 times x minus 2, dx is equal to the integral from 4 to 7 of 1 divided by u, du True? False?

*asked on February 23, 2016* -
## Calculus

Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the

*asked on February 18, 2016* -
## Early Childhood Education

A ________ is an in-depth look at a particular child at a specific point in time.

*asked on April 30, 2015* -
## math

Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters

*asked on March 24, 2019* -
## investment

This year Shoreline Light and Gas(SL&G) paid its stockholders an annual dividend of $3 a share. A major brokerage firm recently put out a report on SL&G stating that,in its opinion, the company's annual dividends should grow at the rate of 10% per year for

*asked on October 2, 2015* -
## comprehension

Help wanted – Administrative Specialist Minimum Requirements Two years of experience in general office, clerical, and administrative support work. Education from an accredited college of an associate degree or higher. Job Summary This position

*asked on October 9, 2018* -
## Geometry help

A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? then, (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

*asked on April 21, 2010* -
## chemistry

a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid

*asked on February 17, 2011* -
## Math/algebra

i'm dividing 52 glass bears into groups she has 1 left over how many groups thanks ella

*asked on February 20, 2015* -
## university physics

Derive absolute error in equations: 1)Derive absolute error in (e/m) e/m= 2V/B^2*R^2 2)Derive absolute error in B B=8uN(Inet)/square root 125a

*asked on November 21, 2012* -
## HISTORY!!!

How did the Dawes Act affect the Native Americans?

*asked on October 16, 2008* -
## biology

A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure to humans. Which of the following preliminary steps should the scientist take before conducting experiment? A. Establish a

*asked on October 5, 2018* -
## Physics

If you see a red-hot star, you can be certain that that its peak intensity is in the ingrared region. Why is this? And if you see a violet-hot star, you can be certaiin its peak intensity is in the ultraviolet range. Why is this?

*asked on March 28, 2008* -
## Kinematics

A ball is dropped from a height of 60.0 m. A second ball is thrown from the height 0.850 s later. If both balls reach the ground at the same time, what was the initial velocity of the second ball?

*asked on February 25, 2019* -
## chemistry

a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid

*asked on February 17, 2011* -
## physics 10

1.) 100 kJ of heat is added to 600g of zinc at 20 C and 75g of it melts. If the specific heat of zinc is 0.385 kJ/kg-C and it melts at 420 C. What is its heat of fusion? 2.) If all the heat lost by 1kg of water at 0 C when it turns into ice at 0 C could be

*asked on March 15, 2015* -
## mathematics

From an airplane at an altitude of 1200, the angle of depression to a rock on the ground measure 28 degrees find the horizontal distance from the plane to the rock?

*asked on February 9, 2015* -
## English

Here is another poem that uses personification to help define the theme. Answer the questions that follow using all you know about poetic devices. The heart asks pleasure first, And then, excuse from pain; And then, those little anodynes (a medicine that

*asked on November 18, 2014* -
## History

Why did the Portuguese think they could find an easier way to reach Asia? A. They had alliances with European nations to send out expeditions. B. They had a large county and a long tradition of asian exploration. C. They had a large fleet and had defeated

*asked on December 21, 2016* -
## Algebra

Krystal grilled 21 burgers at a block party. She grilled the same number of pounds of turkey burgers as hamburgers. Each turkey burger weighed 1/4 pounds and each hamburger weighed 1/3 pound. How many of each did Krystal grill? ~Please help me and provide

*asked on January 19, 2012* -
## Quick calc question

Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the

*asked on February 17, 2016* -
## Math

5.Solve the proportion using cross products. (1 point) 18/20 = k/110 a.99 b.122 c.3.3 d.2.9 I'm confused please give me the answer and how you found it so I can do it on my own next time

*asked on November 16, 2017* -
## English help urgent

Why are the outsides of the buildings in Philbert Place so darkened ? London weather is foggy.

*asked on February 22, 2017* -
## Quick calc question

Use your graphing calculator to evaluate to three decimal places the value of the integral from negative 1 to 1 of the product 2 and the square root of 1 minus x squared over 2, dx . 3.771 3.636 1.571 1.111

*asked on February 23, 2016* -
## Physics help please

A student swims at 4m/s. She is swimming from west to east across a river that's is flowing 2.2m/s [S]. A) if the river is 100 m wide, what is the quickest time that she can swim the entire width? B) how far downstream will she be? C) if she decides to go

*asked on September 28, 2014* -
## I NEED HELP :(

Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone deposits $15 in Account A and $10 in Account B each month. In how many months will the accounts have the same balance? What will

*asked on January 18, 2012* -
## Math

lisa wants to paint the ceiling of her restaurant.The ceiling is in the shape of a square Its side lengths are 48 feet suppose each can of paint will cover 192 square feet. How many cans will she need to pant the ceiling

*asked on January 23, 2017* -
## investment

eddy is considering a stock purchase. the stock pays constant annual dividend of $2.00 per share, and is currently trading at $20 . Eddy's required rate of return for this stock is 12%. should he buy this stock?

*asked on October 2, 2015* -
## Composition

I was assigned to complete an analysis essay on The features of multiple intelligence theory, temperament, and emotion and how they make up a person character. How do I begin?

*asked on December 9, 2018* -
## S.S// check answer

Which of the following elected officials introduce laws in Congress that may become national laws? U.S. representative or senator Governor of Arkansas State representative or senator Mayor **

*asked on May 24, 2018* -
## English

A thermostat is a device used to adjust the temperature indoors. Which of the following explanations best interprets the author's intended meaning in the bolded words in following sentence? "The Church was a thermostat that transformed the mores of

*asked on December 2, 2015* -
## physics, help!!

A metallic sphere initially has a net charge of +4.0 nC. A negatively-charged rod initially has a net charge of –6.0 nC. When the rod touches the sphere 8.2 x109 electrons are transferred to the sphere. What is the new net charge on the sphere?

*asked on November 9, 2012* -
## physics

find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.

*asked on November 3, 2014* -
## Physics

Since every object has some temperature, every object rediates energy. Why then, can't we see objects in the dark?

*asked on March 28, 2008* -
## macroeconomics

Year - 2000 Nominal GDP: 9,817 Real GDP: ___________ GDP Deflator: 1 Inflation 2.2 Real GDP Per capita: _________ Population 283.7 Year – 2001 Nominal GDP: ________ Real GDP: 9,891 GDP Deflator: _________ Inflation 2.4 Real GDP Per capita: _________

*asked on September 23, 2008* -
## Math

Firework A goes off at 320ft/s firework b goes off at 220ft/s but firework b is launched 0.25s before A

*asked on March 8, 2016* -
## Physics

A student swims at 4m/s. She is swimming from west to east across a river that's is flowing 2.2m/s [S]. A) if the river is 100 m wide, what is the quickest time that she can swim the entire width? B) how far downstream will she be? C) if she decides to go

*asked on September 28, 2014* -
## Chemistry

Can calcium hydroxide solution be used to distinguish Co(NO3)2 and Fe(NO3)3 solutions using only the titration technique? Justify your answer with an explanation.

*asked on September 23, 2013* -
## chem

a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed.

*asked on July 20, 2011* -
## Math

The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company has in manufacturing x item during a month.

*asked on February 1, 2011* -
## English

Birches by Robert Frost When I see birches bend to left and right Across the lines of straighter darker trees, I like to think some boy's been swinging them. But swinging doesn't bend them down to stay As ice-storms do. Often you must have seen them Loaded

*asked on November 19, 2014* -
## investment

dividend of $2.25 a share. In addition, the future annual rate of growth in dividends for each of the three companies has been estimated as follows: Buggies-Are-Us Steady Freddie, Inc. Gang Buster Group g 0% g 6% Year 1 $2.53 (i.e., dividends (for the 2

*asked on October 2, 2015* -
## Chemistry

What is the balanced equation for the reaction of acetylsalicylic acid and sodium hydroxide?

*asked on March 20, 2012* -
## chemistry

One purpose of adding KIO4 is to prevent the permanganate ion from being slowly reduced to Mn+2 by H2O. Write a balanced redox equation for the reduction of permanganate ion to Mn+2 by water in acid solution.

*asked on February 23, 2012* -
## math

Find the standard deviation for the given data. Round your answer to one more decimal place than original data. 2,5,47,11,13,48,39,36

*asked on September 3, 2010* -
## Algebra

Your weigh on the moon is about 1/6 of your weigh on earth. Write and solve an equation to show how much a person weighs on earth if he weighs 16 lbs. on the moon .

*asked on February 3, 2016* -
## physics

Three point charges, A=2.00 uC, B=7.00 uC, C=-4.00 uC, are located at the corners of an equilateral triangle. a) Find the magnitude and direction of the electric field position of the 2.00 uC charge. b) How would the eletric field be affected if the charge

*asked on November 7, 2012* -
## math

Write and solve the differential equation that models the verbal statement. Using k for the constant of proportionality The rate of change of N with respect to s is proportional to 626 − s. dN/ds= N=

*asked on April 30, 2012* -
## English 1

1.Writers often communicate their themes by building clues into the story. Choose one story from Collection 4 and show how the author uses characterization, title choice, and key passages to develop the theme of the story. Use examples from the story,

*asked on March 12, 2012* -
## English

Act I of An Enemy of the People Question Think carefully about what each quote might infer about the character and choose the most appropriate answer in the context of the play. Taking one thing with another, there is an excellent spirit of toleration in

*asked on November 17, 2014* -
## physics help please

An airplane has an air speed of 112m/s [N 20 degrees W] and has a ground speed of 106 m/s [N 25 degrees W]. Find the velocity of the wind.

*asked on September 28, 2014* -
## Algebra I

Find a number that is 96 greater than its opposite.

*asked on September 9, 2013* -
## English 1 Literature

I understand what the question is asking for but I do not know exactly how to write it. Here is the question. The way a story is told and the voice that tells it are important parts of a story. Choose at least two stories from Collection 3. Analyze the

*asked on March 12, 2012* -
## Algebra

Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone deposits $15 in Account A and $10 in Account B each moth. In how many months will the accounts have the same balance? What will

*asked on January 18, 2012* -
## Physics

An electron de-excites from the fourth quantum level, to the third and then directly to the ground state. Two photons are emitted. How does the sum of their frequencies compare with the frequency of the single photon that would be emitted by de-excitation

*asked on March 28, 2008* -
## math

Betsy is making a flag. She can choose three colors from red, white, blue, & yellow. How many choices does Betty have?

*asked on September 15, 2016* -
## calculus

A particle moves on a line so that its position at time t seconds is p(t)=3t3 meters to the right of the origin. Find the time c in the interval (4,8) for which the velocity of the particle at time c is equal to the average velocity on the interval [4,8].

*asked on March 26, 2015* -
## Legal Aspects of Health Information

A doctor applies for medical staff privileges at a hospital. What is the hospital administrator required to do?

*asked on May 26, 2009* -
## Physics

A 3mf capacitor and a 5mf capacitor are connected in parallel to a 16v battery. a) What is the equivalent capacitance of the connection? b)What is the voltage drop across each capacitor? c)How much charge is stored on each capacitor? and d) What total

*asked on May 31, 2007* -
## Algebra

6. Jason tried cliff-diving in St. Thomas while vacationing with his family. His height as a function of time could be modeled by the function h(t) = -16t2 + 16t + 480, where t is the time in seconds and h is the height in feet. a) How long did it take for

*asked on May 31, 2018* -
## Economics

Which of the following is a characteristic of a traditional economy? A. It encourages innovation and change. B. It is usually based on light industrial production. C. It has a high standard of living. D. It revolves around the family unit.

*asked on December 6, 2012* -
## geometry

10. Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.8 inches

*asked on October 9, 2011* -
## algebra

Mike would like to plant some trees so he needs to use a portion of his existing yard. The perimeter of this rectangular portion needs to be 14 yards and the diagonal is 5 yards. Can you help Mike determine the length and width of this new portion? Mike

*asked on January 16, 2011* -
## math

Consider the following students method of solving the proportion 8/5 = 20/x and determine whether the methods were correct: Richie: First I divided 20 by 8 and got 2 1/2. Then I multiplied 2 1/2 by 5 and got 12 1/2 for my answer. Martha: I think of it this

*asked on August 11, 2010* -
## Chemistry

The U.S. Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. How many liters of softened water, containing a sodium concentration of 6.0×10−2 percent sodium by mass, have to be consumed to exceed the FDA

*asked on September 17, 2009* -
## SCIENCE!!!

What are the organizational levels of a bird from smallest to largest?!?

*asked on November 20, 2008*