# Posts by Ella

Total # Posts: 320

**math **

when do you need toregruop or rename mix fraction

**math**

please help

**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!

**maths**

I am thinking of a number. I multiply it by 10 and subract it by 127. I get the same number if I multiply by 6 and subract 11.

**English help urgent**

Why are the outsides of the buildings in Philbert Place so darkened ? London weather is foggy. <<my choice They were once attractive. They are stained with soot. The area is too crowded.

**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

**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 spain in recent sea ...

**social studies (Egypt)**

So the rich people who had money to have people build pyramids for them and the pharaohs used it when they died?

**social studies (Egypt)**

who used canopic jars besides the pharaoh? Or only the pharaoh

**Math**

Peter is three times as old as Sue, who is four years older than Joe. In 20 years, Peter will be twice as old as Joe. How old is Peter now?

**data managment**

what are the similarities and differences between organized counting and permutations, with examples?

**Biology**

Please fill in the blanks : Proteins _____make up the _______ materials , hormones , and enzymes in living things to function correctly .

**math**

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

**Math**

Carrie has 340 marbles to put in vases. She wants the vases to hold either 100 marbles or 10 marbles. Which is a way she can arrange the marbles?

**Micoeconomics**

What comparison can you make about a firm operating as a perfectly competitive and as a monopoly? Identify at least 7 characteristics of both market structures

**Microeconomics**

Consider a single price monopoly that faces a market demand curve for a good is given by the equation 𝑃=100−.1𝑄 and the total cost function is given as 𝑇𝐶=1000+20𝑄+.4𝑄2.

**Social Studies (Check Answers)**

7 is wrong it is not b it is d

**math**

Seven digit whole number

**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 ...

**Math**

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

**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 ...

**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

**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

**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?

**Algebra**

What is the answer for the following problem : [-7p-7]=-5 _______ 10

**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 ...

**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...

**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 ...

**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

**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...

**math**

6/10

**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 .

**Health**

Boo is right thank you!!!

**Language Arts**

Pacman and Boo are correct, thanks!

**English**

Thanks and thanks for the info Mr.Reed !

**English**

so*

**English**

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

**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 ...

**Math**

Simplify (2^-5 x 2^-6)1/2 Help I'm confused!

**English**

It was c

**English**

Thank you

**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. ...

**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 ...

**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, ...

**English 1**

Which are the answers?

**math**

Arrange the following fraction to least to greatest.4/5,1/2,1/4.

**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?

**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?

**8th grade math**

Please help! input-1 output-42 input-2 output-90 what is the relation?

**science**

The answer is 30

**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 ...

**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...

**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?

**Physics**

How do you do conversions. Ex. 100mA Ex. 12.24Gm. Etc.

**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

**english**

yeey. thank you mrs sue! im gonna use it for my paragraph

**english**

needs sharp or wise word

**english**

can i say formal writing is sophisticated?

**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

**math**

how many times less is six in the tens place than six in the millions place in in the number 36432463

**Early Childhood Education**

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

**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)

**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 ...

**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].

**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.

**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.

**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 ...

**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

**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?

**Math/algebra**

thank u Steve soo much

**Math/algebra**

Ms. sue i don't know that is what im trying to find out

**Math/algebra**

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

**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?

**Math**

2+5=7 1/3 Sue=2/7

**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?

**physics**

gain, not again

**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

**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.

**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...

**CHEMISTRY HELP**

how can analytical chemistry help on different fields of sciences and technology?

**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 ...

**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?

**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

**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 ...

**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...

**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 =

**Math**

thank you Jeff(:

**Math**

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

**History Help Please?**

I mean when your about to reply to this, look under it at Related Questions.

**History**

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

**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?

**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. ...

**physics**

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

**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?

**Science**

Yes, I would agree

**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.

**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 ...

**Physics Please help**

quiz tomorrow on these type of questions I need help!!!!

**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 ...