# Eva

Most popular questions and responses by Eva-
## Calculus Please Help

Let f(x)=e^(2x)-kx, for k greater than 0. Using a calculator or computer, sketch the graph of f for k=1/9, 1/6,1/3,1/2,1,2,4. Describe what happens as k changes. f(x) has a local minimum. Find the location of the minimum. x= ____ Find the y-coordinate of

*asked on April 6, 2011* -
## Maths lit,business studies,consumer studies,tourism

I chose this subjects Maths literacy,Consumer studies,business studies,tourism but i wanna know what can i do with does subjects after finishing school and i wanna become a 'Chef' are these subjects right or wrong for my subjects???

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

A chemist dissolves 0.096 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 10.8-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4

*asked on March 29, 2016* -
## Teaching in Early childhood progras

1)When children rely on outside controls to guide their actions, they're operating at the _______ level of self-regulation. A. adherence B. amoral C. internalization D. identification 2)Which statement most accurately describes the Developmentally

*asked on August 18, 2014* -
## Calculus Please Help

If 1100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. I'm supposed to type the answer in cubic centimeters... my answer was 2500 cm^3 but it's wrong... I have also

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

analyze what happens to the market for cheeseburgers if the price of cheese rises (cheese being apart of the cost for a cheeseburger) . Be specific and explain what happens ( or is not affected) for each of the following: 1. the supply curve 2. the

*asked on June 28, 2016* -
## reading and writing

Please read the following excerpt from an essay. The sentences are numbered to help you respond to the question that follows. (1) After Sean was arrested for breaking into a pawnshop, I began to wonder. (2) Why did some kids from my neighborhood end up in

*asked on March 16, 2015* -
## Help on Social Studies please!

Part A: What is the basic independent unit of world politics? a. country b. province c. nation *** d. organization Part B: Which of the following groups is an example of the basic unit you selected in the previous question? a. people who share a common

*asked on October 26, 2016* -
## Social studies

The spreading information to convince others or an idea

*asked on January 9, 2018* -
## Astronomy

suppose a rock's chemical composition is analyzed and is found to contain 5x more potassium atoms than argon atoms. When did the rock form? A) 10 million years ago B) 100 million years ago C) 500 million years ago D) 2 billion years ago E) 4.5 billion

*asked on October 30, 2018* -
## Math

How is combing radicals by addition and subtraction similar to combining monomial expressions by addition and subtraction? Please use examples.

*asked on February 8, 2017* -
## Probability

A survey finds customers are charged incorrectly for 2 out of every 10 items. Suppose a customer purchases 13 items. Find the probability that the customer is charged incorrectly on at most 2 items.The probability that the customer is charged incorrectly

*asked on May 30, 2019* -
## Physics

A small ball rolls horizontally off the edge of a table that is 1.20 m high. It strikes the floor at a point 1.52 m horizontally from the table edge. How long is the ball in the air? What is the velocity of the ball when it hits the floor?

*asked on May 1, 2008* -
## Precalculus

The revenue and cost equations for a product are R = x(50 - 0.0002x) and C = 12x + 150,000 where R and C are measured in dollars and x represents the number of units sold. How many units must be sold to obtain a profit of at least $1,650,000? What is the

*asked on December 11, 2014* -
## Astronomy

suppose a rock's chemical composition is analyzed and is found to contain 5x more potassium atoms than argon atoms. When did the rock form? (10 million, 100 million, 500 million, 2 billion, or 4.5 billion years ago.)

*asked on October 27, 2018* -
## ethics in criminal justice

what is the criterion of reasonableness in the study of ethics?

*asked on June 13, 2009* -
## general

What subjects do students study in the United Kingdom at the age of fourteen? http://en.wikipedia.org/wiki/Education_in_England Scroll down. =) Thank you. English Mathematics Science Information and Communication Technology (ICT) Design Technology History

*asked on February 10, 2007* -
## learning skills

A natural way to reinforce science process skills and introduces the scientific method. This strategy, especially appropriate for primary grades, is to have children do which of the following? A. Begin a collection B. Manipulate objects C. Observe D. Go on

*asked on March 8, 2015* -
## math

which equation is equivalent to 5x-2(7x+1)=14x? why? a -9x-2=14x b -9xt1=14x c -9x+2=14x d 12x-1=14x

*asked on April 7, 2010* -
## physics - 2d vector question

A swimmer travels in a northerly direction across a 500 m wide lake. Once across, the swimmer notices that she is 150 m east of her original starting position. Determine the distance traveled and displacement.

*asked on February 26, 2019* -
## Chemistry

Predict the effect of each of the following by mass of water in the hydrate and the chemical of the hydrate? a) not heating the hydrate enough b) overheating the hydrate and producing some copper (ii) oxide C) the initial hydrate appears to weigh less than

*asked on October 9, 2016* -
## math

the sides of a quadrilateral are in the ratio 1:3:5:7. if the perimeter of the quadrilateral is 64cm,what is the length of the second longest side/

*asked on October 20, 2014* -
## physics

A friend in another city tells you that she has two organ pipes of different lengths, one open at both ends, the other open at one end only. In addition, she has determined that the beat frequency caused by the second-lowest frequency of each pipe is equal

*asked on December 1, 2015* -
## physics (science)

John walks 1.0 km north, turns and walks 1.2 km at 50 degrees north of due east, and then turns and walks .8 km at 25 degrees north of east. what is the resultant distance and direction he has flown

*asked on October 25, 2013* -
## math

A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE? a 20 feet b 40 feet c 60

*asked on April 7, 2010* -
## Teaching in Early childhood progras

Why should teachers offer a variety of small-group activities for children every day? I. The children will be at different developmental levels. II. The children will be coming from different cultural backgrounds. III. Different children will be interested

*asked on August 18, 2014* -
## Precalculus

The revenue and cost equation for a product are R = x(75 - 0.0005x) and C = 30x + 250,000 where R and C are measured in dollars and x represents the number of units sold. How many units must be sold to obtain a profit of at least $750,000? What is the

*asked on December 11, 2014* -
## Literature

American literature homework question: To Kill a Mockingbird? Can someone help me understand the following question, please?: Of all the ways an author has of telling us about a character, how do we learn about the characters in To Kill a Mockingbird? -I

*asked on August 25, 2014* -
## Precalculus

A farmer has 1000 feet of fencing materials available to fence a rectangular pasture next to a river. If the side along the river does not need to be fenced, what dimensions maximize the enclosed area? What is the maximum enclosed area?

*asked on December 11, 2014* -
## microeconomics

among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the following drinks?

*asked on March 16, 2011* -
## thinking outside of the box

one taxi company charges 75 cents for the first quarter mile and 15 cents for each additional mile the competing taxi company charges 1.00 for the first quarter mile and 10 each additional mile what distance would produce the same fare for the two taxi

*asked on February 17, 2011* -
## Teaching in Early Childhood Programs,

Which of the following is least characteristic of internalization? A. It occurs at different times for different issues. B. It involves behaviors and attitudes that become basic parts of each child's personality. C. It involves some measure of

*asked on August 17, 2014* -
## human relations

one taxi cab company charges 75 cents for the first quarter mile and 15 cents for each additional quarter mile. the competing taxi company charges 1.00 for the first quarter mile and 10 cents for each additional mile. what distance would produce the same

*asked on February 15, 2011* -
## physics

You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and it moves upward with an acceleration of 0.760 m/s2.

*asked on February 8, 2015* -
## Science Urgent Please help

(I have no idea how to even approach this question. Can anyone please help me?) Some people have proposed that the earth could solve its population problem by shipping people off to space colonies, each containing about 10,000 people. Assuming that we

*asked on February 25, 2011* -
## chemistry

Olive oil has a density of o.92 g/mL. Waht would be the mass of 1.1 L of olive oil?

*asked on September 14, 2009* -
## Ethics

The Edwin Meese syndrome, giving examples from the fields of probation and parole.

*asked on May 4, 2009* -
## Chemistry

How many atoms are in 0.075 mol of titanium?

*asked on December 9, 2008* -
## Kinematics

A bullet is fired horizontally from a height of 45 m and hits the ground 2000 m away. With what velocity does the bullet leave the fun?

*asked on February 28, 2019* -
## Chemistry

When 0.07 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 254 milliliters of solution, how many ammonium ions are present?

*asked on March 30, 2016* -
## statistics

90% confidence; the sample size is 1150 of which 40% are successes.

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

The yearbook club is having a bake sale to raise money for the senior class. Large cupcakes are sold for $1.25 each and small cupcakes are sold for $0.75 each. If 105 cupcakes were sold for a total amount of $109.75, how many large cupcakes did the

*asked on December 7, 2017* -
## learning skills

According to the text, why should teachers of young children share science activities with parents? A. Everybody should know the facts of science. B. Parents want to learn science. C. Science relates to all aspects of a child's life. D. Parents are their

*asked on March 8, 2015* -
## intro to paralegal

i have a discussion post that im not quite sure how to answer, since i am unsure how to interpret it. It reads as follows: The American common law system provides the judicial system with two primary duties 1) interpreting the meaning of statutes and

*asked on April 20, 2018* -
## Chemistry

A chemist dissolves 0.096 g of CuSO4 · 5 H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 10.8-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4

*asked on March 29, 2016* -
## reading and writing

Which of the following is a common error in composing a thesis statement? A. Your thesis statement is specific as opposed to general. B. You offer an original perspective on a familiar theme. C. You focus your thesis statement after you begin writing. D.

*asked on March 16, 2015* -
## Business

If you’re a Canadian exporter would you like to see a higher Canadian dollar or a lower Canadian dollar in relation to the US Dollar? Explain using an example. I would like to see what perspectives different people have

*asked on October 15, 2017* -
## law

A crime scene investigator has located a witness at a crime scene, but he/she is uncooperative. The investigator strongly believes that this witness is fearful of something and is uncooperative. Describe the handling of witnesses and evidence. What would

*asked on April 10, 2013* -
## Calculus (pleas help!!!)

Let f(x)=e^(2x)-kx, for k greater than 0. Using a calculator or computer, sketch the graph of f for k=1/9, 1/6,1/3,1/2,1,2,4. Describe what happens as k changes. f(x) has a local minimum. Find the location of the minimum. x= ____ Find the y-coordinate of

*asked on April 6, 2011* -
## BUSINESS LAW

In early july, Susy is in Fabulous Freddie's Fireworks Forum Purchasing fireworks for the upcoming Independence Day Holidays. There are "no smoking" signs at the entry door to the store and throughout the store. This store operates only a few weeks in an

*asked on July 10, 2008* -
## Algebra

Here is the question : Determine whether the equation represents direct, inverse, joint, or combined variation. y=2x^3

*asked on February 20, 2014* -
## math

1/4 + 1/8 = i need to simplify it but i don't know how!! please help and thank you.

*asked on September 12, 2010* -
## Physics

A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

*asked on February 21, 2012* -
## MATH HELP!!!!!!!!

orlando likes baseball. He's a good fielder, but he wants to improve his batting average. currently .200 (or 20%) for the first part of the season. he practiced a lot with a friend and managed to hit 10 out of 20 times that he was up to bat that season.

*asked on November 17, 2006* -
## Precalculus

A rectangle is to be constructed so that it is bounded by the x-axis, the y-axis, and the line y = -3x + 4. What is the maximum area of this rectangle?

*asked on December 11, 2014* -
## Teaching in Early childhood progras

_______ are helpful in assessing a variety of children's skills, including both cognitive abilities and motor skills. A. Art projects B. Smiley-face teacher evaluations C. Standardized tests D. Student-led conferences my answer is a.

*asked on August 18, 2014* -
## Geometry

Kevin has a salt water aquarium.As Shown below in the shape of a rectangular prism. ( base 36 in, width 18in,height 20 in) . When a rock is submerged into the aquarium the water level rises 0.25 inches. What is the voulume of the rock ?

*asked on May 7, 2014* -
## English

What was the Clinton Healthcare plan in the early 1990's? Know of any links or info that I can read up about it? Thanks!

*asked on December 6, 2011* -
## thermochemistry college

does anyone know profesor of green river community college, auburn,wa, sue critchlow ????

*asked on December 8, 2009* -
## Calc I

A particle moves at varying velocity along a line and s= f(t) represents the particle's distance from a point as a function of time, t. sketch a graph for f if the average velocity of the particle between t=2 and t=6 is the same as the instantaneous

*asked on September 11, 2008* -
## Math

Determine whether the equation represents direct, inverse, joint, or combined variation. y = 2x on 3rd

*asked on February 20, 2014* -
## english

correct these sentence. i had to rewrite them into reported speech . are they okay? 1-why are you decorating the house? she asked me why i was decorating the house. 2-what style do you like? she asked me what style did i liked. 3-do you always get what you

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

OF MAN’S first disobedience, and the fruit Of that forbidden tree whose mortal taste Brought death into the World, and all our woe, With loss of Eden, till one greater Man Restore us, and regain the blissful Seat, 5 Sing, Heavenly Muse, that, on the

*asked on February 26, 2008* -
## Physics

In class, we've been working on moment of inertia and recently did a lab regarding its usage. I don't feel too confident with the material yet and was hoping someone could look over my work and offer advice on what to do. We used solid spheres in the lab

*asked on February 22, 2015* -
## math

If evies chicken lays 4 eggs in 5 days how many days will it take for evies chicken to 16 eggs?

*asked on October 4, 2014* -
## Geometry

Did I solve the following correctly? I had to the fin the midpoint. A (-3, 2) B (5, -4) I did the midpoint formula: M(-3+5/2, 2+ -4/2=M (2/2, -2/2). Is (2/2, -2/2) the correct midpoint?

*asked on September 23, 2014* -
## Teaching in Early childhood progras

Self appraisals should not be used to assess which of the following? A. Math concepts B. Dispositions regarding tasks C. IEP adherence D. Literacy my answer is c.

*asked on August 18, 2014* -
## physics

A pelican ﬂying along a horizontal path drops a ﬁsh from a height of 3.3 m. The ﬁ!@#$%^&ravels 8.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s 2 . Answer in units of

*asked on August 31, 2012* -
## microeconomics

among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the following drinks? a. tap water b. bottled water c. cola d. beer

*asked on March 16, 2011* -
## piont math spring break

which piont lies on the line represented by the equation below? 5x+4y=22 a -2,11/4 b -1,17/4 c 2,3 d 6,2

*asked on April 7, 2010* -
## math-Algebra

Hey i need help on this problem. 8-9t=21t-17 Can someone show me how to do it?

*asked on February 13, 2008* -
## Algebra

I need help on one particular part of algebra because i forgot what my teacher said! Here is the question: Directions: Find the x- intercept of the graph of the equation. 1. x+ y= 5

*asked on November 8, 2007* -
## Spanish

fill in the missing letters in this sentence. Quizas anado una ---h---d-de--o picado tambien.

*asked on March 2, 2016* -
## critical thinking

Which of the following is an example of an indefinite pronoun? A. This B. You C. Which D. Each my answer is a.

*asked on March 17, 2015* -
## physics

A block (mass m) hangs from a spring (spring constant k). The block is released from rest a distance d above its equilibrium position. (a) What is the speed of the block as it passes through the equilibrium point? (Use any variable or symbol stated above

*asked on March 8, 2015* -
## COMBINED OPERATION ON FRACTIONS

J MADE 3 OVER 5 OF JOURNEY 3 OVER 4 OF REMEINDER BY TRAIN N WALKED REST.DISTANCE WALKED 3 KM.HOW LONG WAS THE JOURNEY

*asked on January 27, 2015* -
## Physics I

I'm not sure how to address any of these. I"ve attempted them but each time I do, I've gotten different answers. I'm not even sure where to begin. 1. The Duke’s efforts to conquer the Count are starting to really falter. He has been forced back away from

*asked on December 16, 2014* -
## Math

The length of a rectangle is 1 more than the side of a square and the width of the rectangle is 1 less than the side of the square. of the area of the rectangle 35, find the length of the side of the square.

*asked on July 24, 2012* -
## us history`

a settled area that is a smaller political unit then a country or city is called a what>?

*asked on December 12, 2010* -
## factoring help

2 factor 4x -32x+48 and 2 2 2 factor (x -1)(x -4)(x -9) please and thank u verrry much is that this is due tommorow!!

*asked on June 7, 2010* -
## totally math

some ordered pairs for a linear function of x are given in the table below. x y 1 1 3 7 5 13 7 19 sorry im not good at tables which of the following equations was used too generaTE the table above a y=2x+1 b y=2x-1 c y=3x-2 d y=4x-3

*asked on April 7, 2010* -
## totally math

what is the equation of the line that has a slope of 4 and passes through the piont (3,-10)? a y=4x-22 b y=4x+22 c y=4x-43 d y=4x+43

*asked on April 7, 2010* -
## Physics

A Coast Guard airplane needs to drop a rescue package to a ship floating adrift in the ocean. The plane flies 55 m above the ocean at a speed of 215 km/h. How far away from the ship should the crew drop the package out of the plane so that the package hits

*asked on May 3, 2008* -
## science

why would droplets of water form on the outside of a glass cup?

*asked on June 22, 2008* -
## Biology

What are 5 adaptations that can help placental mammals survive in their environment?

*asked on February 7, 2008* -
## Biology

Could i pls have an answer to this question:5 adaptations that help placental mammals survive in their environment?

*asked on February 7, 2008* -
## Chemistry

What are the five(5) indications that show that a reaction has taken place? Thanks

*asked on February 4, 2008* -
## math

Find period and phase shift and amplitude of y=10sin(x/4)-4pi)-5? The amplitude =10 Period=? Phase shift=?

*asked on August 19, 2015* -
## Physics

A rope is attached from a truck to a 1403 kg car. The rope will break if the tension is greater than 2375 N. Neglecting friction, what is the maximum possible acceleration of the truck if the rope does not break? m/s2 If the truck can reach 30 mph within

*asked on February 8, 2015* -
## math

x square plus 12X plus 4 equals 0 what is the value of x

*asked on August 6, 2014* -
## Algebra

Decide whether the given relation is a function of x. (NO CREDIT WILL BE GIVEN WITHOUT AN EXPLANATION). Give the domain. y=-7/x-16

*asked on February 20, 2014* -
## Algebra

i try this one but graphmatica gives me different graph. Please help. Solve for y in terms of x and replace y with the function notation f(x). -2x + 5y = 9

*asked on February 20, 2014* -
## Math Algebra

f varies jointly as g2 and h, and f = 50 when g = 4 and h = 2. Find when g = 3 and h = 6

*asked on February 20, 2014* -
## Algebra

Let g(x) = -x2 + 4x + 1. Find g(k)

*asked on February 20, 2014* -
## Physics

In the reaction U gives Th + He 6.88*10-13 J energy are released as the kinetic energies of the products. If the ratios of the masses Th to He is 234:4 find the kinetic energy of the alpha particle

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

how to figure out ? % of 25=20 and 25% of ? = 7

*asked on April 25, 2011* -
## Calculus

tan 0=1 csc 0 = sqrt. 2 cos 0 = sin 0 os 0 = cos (-pie/6) The 0s means that symbol for angle. Please someone help me do these problems.

*asked on March 8, 2011* -
## Chemistry

For the equation below, if 58.6 grams of Al were to react with 540 grams of H2SO4, how many grams of H2 would be produced? 2Al+3H2SO4--->1Al2(SO4)3+3H2

*asked on February 2, 2011* -
## music

can u help me found a song that's online that has the music so i can play the song on my clarient it called bruno mars grenade can any1 help me found the music for that song on a clarient.... please

*asked on December 28, 2010* -
## math due tommorow

2 factor 2x +x-6 and 2 factor (2y -6u-5+10y please i need help due tommorow

*asked on June 7, 2010*

## Pages

**1**- 2