Saturday
July 23, 2016

Posts by Ella

Total # Posts: 293

math
Seven digit whole number
July 19, 2016

statistics
A large school district would like to estimate the mean score for all of its 5th grade students on a certain mathematics achievement test known to produce scores that are normally distributed in this population. In a pilot study, n = 25 randomly selected 5th graders take the ...
July 9, 2016

Math
Firework A goes off at 320ft/s firework b goes off at 220ft/s but firework b is launched 0.25s before A
March 8, 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 square, dx the ...
February 23, 2016

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
February 23, 2016

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
February 23, 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?
February 23, 2016

Algebra
What is the answer for the following problem : [-7p-7]=-5 _______ 10
February 22, 2016

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 square, dx the ...
February 18, 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 quotient of 1 and the...
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 square, dx the ...
February 17, 2016

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
February 17, 2016

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 quotient of 1 and the...
February 17, 2016

math
6/10
February 15, 2016

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 .
February 3, 2016

English
Thanks and thanks for the info Mr.Reed !
December 17, 2015

English
so*
December 17, 2015

English
Thanks fo 2 is C) you must cite any and all types of information you use from a source?
December 17, 2015

English
A lead-in phrase to quoted evidence is used to A) connect the quote with the writer's ideas B)provide a smooth transition and keep the quote from being "dropped" into the paragraph. C)Both A and B <--- You only need to cite A)information from a source that is ...
December 17, 2015

Math
Simplify (2^-5 x 2^-6)1/2 Help I'm confused!
December 15, 2015

English
It was c
December 2, 2015

English
Thank you
December 2, 2015

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 society." A. ...
December 2, 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 the maximum ...
November 27, 2015

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 counter clockwise, ...
November 26, 2015

math
Arrange the following fraction to least to greatest.4/5,1/2,1/4.
November 23, 2015

8th grade math
please help! x y 1 135 2 220 3 305 what is the expression/equation that could be used to find y?
November 12, 2015

8th grade math
please help! x y 1 7 2 10 3 13 4 16 what is the equation/expression that could be used to find y?
November 12, 2015

8th grade math
Please help! input-1 output-42 input-2 output-90 what is the relation?
November 12, 2015

science
The answer is 30
November 4, 2015

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 $2.85 are expected ...
October 2, 2015

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 each of the next...
October 2, 2015

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?
October 2, 2015

Physics
How do you do conversions. Ex. 100mA Ex. 12.24Gm. Etc.
September 2, 2015

history
Please help me with this essay? Has the importance of Oliver Cromwell in the English Civil Wars been exaggerated? i just don't know where to start thanks x
August 11, 2015

english
yeey. thank you mrs sue! im gonna use it for my paragraph
June 27, 2015

english
needs sharp or wise word
June 27, 2015

english
can i say formal writing is sophisticated?
June 27, 2015

organic chemistry
whats the difference between inorganic chem and organic chem? im really confuse because mrs. white told us inoraganic is about ionic bonds while organic is about covalent bond. what is the difference between the twooo? please help me
June 27, 2015

math
how many times less is six in the tens place than six in the millions place in in the number 36432463
June 14, 2015

Early Childhood Education
A ________ is an in-depth look at a particular child at a specific point in time.
April 30, 2015

Chemistry
An atom emits a photon of wavelength 1.08 meters. What is the energy change occurring in the atom due to this emission? (Planck's constant is 6.626 × 10-34 joule seconds, the speed of light is 2.998 × 108 m/s)
April 19, 2015

Differential Calculus
Hi pls help me i dunno what to do show me complete solution please please Thank you. a piece of wire 10ft. long is cut into two pieces , one piece is bent into the shape of a circle and the other into the shape of a square. How should the wire be cut so that: a.)The combined ...
March 29, 2015

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].
March 26, 2015

physics
A mother rocket fired from the ground last year’s eve ejects 25% of its mass 2.0 at the at the rate if so m/s in the first second of its flight. Find the initial acceleration of the mother rocket.
March 25, 2015

physics
A mother rocket fired from the ground last year’s eve ejects 25% of its mass at the at the rate if so m/s in the first second of its flight. Find the initial acceleration of the mother rocket.
March 25, 2015

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 burn into KE, What ...
March 15, 2015

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
March 11, 2015

physics
skater has a mass of 45 kg and is at rest. skater 2 has a mass of 50 kg and is moving along at a constant velocity of 3.2 m/s East. skater 3 has a mass of 75 kg and is moving quickly at a constant velocity of 9.6 m/s East. which state experiences the greatest force?
March 7, 2015

Math/algebra
thank u Steve soo much
February 20, 2015

Math/algebra
Ms. sue i don't know that is what im trying to find out
February 20, 2015

Math/algebra
i'm dividing 52 glass bears into groups she has 1 left over how many groups thanks ella
February 20, 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?
February 9, 2015

Science
Identify and discuss at least two forces that would be involved when an elderly patient who is proped up at about 4 degrees in a bed and slowly slides down to an almost horizontal position?
January 24, 2015

physics
gain, not again
December 8, 2014

physics
Assuming 100% transfer of energy in the system, please calculate maximum KE (Kinetic Energy) that the rocket has if the rocket were to again a height of 25 meters. Rocket mass = 0.5 kilograms, and gravity = 9.8 m/s^2
December 8, 2014

Math
No the cook doesn't have enough flour. You first need to find a common denominator of twelve. So you are 1/12 a cup of flour short.
December 8, 2014

Honors Chem
If I make an ice pack with 750 mL of water, what mass of ammonium chloride must I include to get the temperature to drop from 20 degrees celsius to 5 degrees celsius. The heat of solution of the water and ammonium chloride is 14.8 kJ/mole. I just need help setting this problem...
December 2, 2014

CHEMISTRY HELP
how can analytical chemistry help on different fields of sciences and technology?
November 26, 2014

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 with ice a ...
November 19, 2014

ap biology
The best conclusion concerning delta is that the cells a. contain no DNA. b. contain no RNA. c. contain only one chromosome that is very short d. are actually in the G0 phase e. divide in the G1phase Explain your choice: Would it be d?
November 19, 2014

math
GCD (24,20) IS 4. sINCE gcd(4,12 ) is 4 then GCD (24,2012 IS 4 USE Euclidem LGERITHM TO FIND THE gcd 722, 2413,209
November 18, 2014

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 relieves pain) That ...
November 18, 2014

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 the town--an admirable...
November 17, 2014

MATH
write the following square root in the form a over sq root b, where a and b are intergers and b has the least value possible root 63 =
November 14, 2014

Math
thank you Jeff(:
November 13, 2014

Math
What is the order of the numbers from least to greatest? 2.01, 2.1, 2.001, 2.11, 2.011
November 13, 2014

History Help Please?
I mean when your about to reply to this, look under it at Related Questions.
November 13, 2014

History
Hey, if you look under this at related questions.. People asked the same thing and it has answers(:
November 13, 2014

math
Bert is 5 years older than twice the age of mario. Nine years ago, the sum of their ages is 50. How old is each now?
November 7, 2014

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 nutrient? A. ...
November 6, 2014

physics
find the mass of a ball on a roof 30 meters high, if the ball's gravitational energy is 58.8 joules.
November 3, 2014

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?
October 11, 2014

Science
Yes, I would agree
October 7, 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.
September 28, 2014

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 directly across ...
September 28, 2014

Physics Please help
quiz tomorrow on these type of questions I need help!!!!
September 28, 2014

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 directly across ...
September 28, 2014

Help with physivs
Please help a quiz tomorrow on this stuff I need help!!!
September 28, 2014

physics
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.
September 28, 2014

physics
A car is moving with a velocity od 10.1m/s [N] while on a ferry that is moving across a lake.if an observer on shore measures the velocity of the car to be 29m/s [N] how quickly is the ferry moving?
September 28, 2014

Physics
A car is moving with a velocity of 10.1m/s [N] while on a ferry that is moving across a lake. If an observer on a shore measures the velocity of the car to be 29.0m/s [N] how quickly is the ferry moving?
September 24, 2014

geography
this occurs when cooler air cannot retain all its vapor
September 1, 2014

geography
This process distributes the heat from the sun around the earth?
September 1, 2014

geography
This reflects some heat back into space and traps some heat near the earth.
September 1, 2014

science
What do sporangia, cones, and flowers have in common?how do they differ
August 13, 2014

conducting expiriments
conduct the expiriment and record your results mean?
May 29, 2014

science
What can be done to prevent mine drainage from damaging the ecosystem
May 5, 2014

POL201
Fredick Winslow Tylor was concern with all but the following a. making workers feel appreciated b. making 1st class worker out of 2ne class worker c. efficiency d. good management
April 28, 2014

AP Chemistry
1,2-Benzanthracene is a yellow-brown nonvolatile solid with molecular weight 228.29g*mol-1. an 18.2632-g sample of 1,2-benzanthracene is dissolved in 250.0 g of benzene, C6H6. Whta is the vapor pressure of this solution at 25C, in millimeters of mergury, if the vapor pressure ...
March 10, 2014

social studies
a group who made laws to govern a certain people
March 6, 2014

spanish
?Le gusta tocar la guitarra a la maestra?
February 18, 2014

Health/Writing
Alright, thanks a bunch :)
February 15, 2014

Health/Writing
the story talks about his struggle from cancer. the removing cancer will come in the middle of the story. first i want to show how he ended up with it.
February 15, 2014

Health/Writing
So I'm writing a story about a guy who gets brain tumor because of a car accident. I know it may be a stupid question, but how can someone retrieve tumor in such a situation? Or where can radiation, enough to give cancer, be found. Maybe a place or a truck or something ...
February 15, 2014

Algebra
The answer is C, I looked at his answer and all that is different is he multiplied the equation in the parentheses by 2!!!
February 13, 2014

Chemistry
Alcoholic drinks contain ethanol. 10cm3 of ethanol is called one unit of alcohol. Men are advised to drink a maximum of 21 units of ethanol a week, while women are advised to drink a maximum of 14 units. Wine contains about 14% ethanol by volume. A) a bottle of wine contains ...
February 8, 2014

Wriitng
thank you guys!
December 30, 2013

Wriitng
What would be the reaction of a teenage daughter after rescuing her parents after their kidnap? so this is for a story I'm writing. basically, my main character finds her parents and is finally there after a lot of hard work and struggle. she's seen a lot of things she...
December 30, 2013

Writing
Thank you!!
December 20, 2013

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