Eva

This page lists questions and answers that were posted by visitors named Eva.

Questions

The following questions were asked by visitors named Eva.

Will we ever run out of air? Air is stuck to the planet by gravity, it won't leave. Two things are adding to the air all the time too, the planet is always releasing gasses from volcanoes and volcanic vents, and there are some meteors that are mostly ice...

Hello, This year I am sitting my ECPE exam of the university of Mishigan. Where can I find useful practice on the Internet? I would be grateful if you could help me.. Eva Ch. I don't know about practice, but here's a very interesting website: http://www.h...

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...

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

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

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 secre...

Area of rectangle = xy = xã(4r^2 - x^2) Take the derivative. I am having trouble with the algebra.

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?

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 hit...

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 veloc...

Is this a correct use of the word quintessence? Biblical hermeneutics form the quintessence of religion and faith through inquiry and reflection.

how do i find the derivative of the function: f(x) = e^2 + x^e i just don't know how to go about doing this. any and all help is appreciated. thanks!

If f is decreasing and f(20)=10, which of the following must be incorrect? Explain. a. (f^1)'(20)=-3 b. (f^1)'(10)=12 how would i go about figuring this out??? i'm not sure exactly what the concept in question is here.

How many atoms are in 0.075 mol of titanium?

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

Can I have a few examples plz

define naturalistic fallacy and give me an example. Thanks,

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

is the police code of ethics considered normative ehics or meta-ethic? why?

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

(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 cou...

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.

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...

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 als...

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!

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 bl...

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.

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

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

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

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

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

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

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

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

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 ?

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 self-condem...

_______ 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.

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 intereste...

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 Appropr...

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.

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...

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?

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

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?

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?

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 pri...

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...

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...

A 2011 kg elevator moves with an upward acceleration of 1.9 m/s2. What is the tension in the cable that supports the elevator?

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.

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...

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 o...

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...

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...

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....

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

Solve: -2x<9. x>____

-9(-5x+2)= -4(3x+2) I keep getting x=.30 but I know it's wrong!

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???

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?

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 quanti...

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 tha...

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 la...

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

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

Only using 2357,what number is a three digit number that add by a four digit number and equals to a five digit number? You can only use zero on the last digit of the four digit number.

The spreading information to convince others or an idea

I have matrix A = -1 0 0 -1 B = 0 1 c = 1 0 find n that A^n * matrix B = C find A^2014

A = 2 x 2 -1 0 0 -1 find n that A^n * B = C B = 2 x 1 0 1 C = 2 x 1 1 0 answer is 6, but I don't know why find A^2014 the answer is 0 1 -1 0 but I don't know why

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.

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...

if 14 men can cultivate 42 acres of land in 18 weeks how many week will 21 men working at the same rate take to cultivate 56 acres of land

How does structure and bonding affect acid-base properties?

Discuss the increase and decrease of presidential powers. Define “Imperial Presidency” and give two examples of presidents who increased presidential power. What is an advantage and a disadvantage of increasing presidential power?

How does the principle of separation of powers limit Congress? A.Congress cannot enforce the laws that they make. B.Congress must interpret legislation for the courts. C.Congress must rely on the executive branch to introduce legislation. D.Congress must...

The phrase, “the Elastic Clause,” comes from which powers of Congress? A.enumerated powers***** B.implied powers C.inherent powers D.reserved powers Please help asap

For a given watershed, should only people who live downstream of water should be concerned with the management of water resources?

How does a large body of water like Lake Superior affect the temperature of the surrounding land overnight?

Suzie measured a neighborhood park and made a scale drawing. The scale she used was 2 inches : 1 yard. A soccer field in the park is 59 yards wide in real life. How wide is the field in the drawing?

Another pilot flies her plane at 300.0 km/h at 20.0° north of east. If the wind blows at 50.0 km/h at 45.0° northwest, what is the plane’s displacement from its starting point? with procedure please!

Need Help ASAP Please someone 1. Write each mixed number as an improper fraction. : 2 and 1/2 A. 5/2 B. 3/2 C. 5/4 D. 3/4 2.Write each mixed number as an improper fraction. :1 and 7/8 A. 14/8 B. 15/8 C. 7/15 D. 8/15 3.Write each improper fraction as a mix...

Frank used 3/2 cups of sugar to make a dozen brownies. How much sugar is in each brownie?

Evaluate the expression: 6(x + 8) for x = 4.

Students in a class made a list of activities that involve a chemical change. Which of these changes should be included on the list?

An oil tank contains 1650 litres.how many tins holding 0.6 litres can be filled from the tank?

A soccer ball was kicked over the edge of a wall and traveled 35 m horizontally at a speed of 5.6m/s. Calculate the vertical height of the wall. What is the answer and the equations I can use?

Writ a little to a friend who wants to visit your school giving him or her direction to your school and telling him about two interesting things he will see on his visit.

Answers

The following answers were posted by visitors named Eva.

thankyou, writeacher! that really helped!

x *(4r^2 - x^2)^-1/2

Sorry. I'm having trouble with the font. Here is the correct equation. Area of rectangle = xy =x *(4r^2 - x^2)^1/2

Thank you. It makes so much sense now.

The name electromagnetic says it all. You have an electric and magnetic field. The magnetic and electric fields of an electromagnetic wave are perpendicular to each other and to the direction of the wave. Characteristics include: amplitude, wavelength, ve...

What is g? The acceleration in m/s^2?

any and all help is appreciated,thanks.

phylum it goes: kingdom phylum class order family genus species

I have learned that it must meet three standards: consistancy and absence of contradiction, inclusion of relevant fact and fitting human experience. I want to make sure of the real criterion of reasonableness in the ethic study

Thank you so so much, I had no idea how to do it. THANK YOU!

Oh I got the answer... it was 275(9.574) -- (9.574)^3

Oh... I got them... thanks anyways...

It is hard when you are taking online classes and professor doesn't explain anything. Thank you guys

is this correct guys? F=k•g²•h 50=k(4) ² • 2 50=k•32 K= 50/32 divided by 2 K= 25/16 F= 25/16• (3) ² 6 F= 25/16 • 54/1 F= 1350/16 F= 84.375

The narrator is Scout. OH! Okay, so we learn about the characters through Scout's eyes and her points of view of them. Is that close to being correct?

Thank you so much! :)

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

55-2+54 min --1/2 bacteria 54-2=51 min --1/4 bzcteria

UPDATE: On 4, I tried using Δx=rΔӨ. It cleared up a lot of data issues.

I reread and my answer is d.

I have the same problem ! And my intro's too long... I have a limit of only 700 words! I'm at 400 just with the intro and first body paragraph ! Please help...

To be independent

It rises our temperature

The answer is only : A pendulum swinging back and forth. It cannot be the other options because when looking for a period behavior, we are also looking for something to come back to the initial starting point. Can't be the ball because logically it would...

Thanks, Ms. Sue. Got 8/8!

i found #1 and #3, but i cant find number 2

So can this question only be answered because we have the 4 multiple choice answers and we can test for each? Or is there a way to figure it out without having the answer?

Did you ever get the answers to these questions?

exactly DrBob222😒

It is a true answer for what it is given here

you all do need kindness, let's not be mean any more, ok? poor, poor Morgan! I'm on your side!

the answer is 1000000% BCA

(0.2)^0 (0.8)^13+ (0.2)^1 (0.8)^12+ (0.2)^2 (0.8)^11 = 0.5017

I need help too cause I don’t want to fail it what’s the answer

you know it is right i got 100%

Allison is correct!!!!!

Y’all here is the new ones I got 0/5 1. C 2. A 3. D 4. B 5. C

I'm still confused. What presidental power do they mean??

Thank you sooo much

so is that a yes or no?

The perimeter of the base is 30, and each of the edges is 7.5. So you already have 4 of the edges down. Now you need to find all the lateral edges. If the perimeter of a lateral edge is 27.5, one of the edges is a base edge, and a base edge is 7.5. So if...

Can someone please give me the answer I’m on the 16th question out of 20 on the South Asia unit test. And I don’t wanna get it wrong

Does no one have the answer to 18b - 12 I need answers now

Haha is wrong trust me the correct answers are 1.D 2.B 3.A 4.A 5.C 6.D

Toriel Is 100% correct tysm!

All of these people are wrong if you want a 100 the answers are 1. D 2.A 3.D 4.A 5.A 6.C Your welcome :)

Hell yeah! Is correct

For connections it's 1 anecdote 2 online features might actually distract the learner from the task 3 experts agree that coffee might reduse the risk of liver damage by as much as 74% 4 to be recognized as different

Does anyone know the answer to n/-3>4 But there is a _ under the >

This is so confusing!?!?!

Please help! I am so cunfused and would be very grateful!

Question 15 is The territory of the United States nearly doubled

Is there any answers to the rest of the quiz

All answers are 1. 3/7,18/42 2. 60/100 3. 5/8=15/24

My test has 6 questions someone help please I’m panicking I don’t wanna fail

@noU I looked back and it gave me nothing I don’t know what to right

here are my answers! sorry if any are wrong, but I'm confident in at least 95% of these. d b a c c b d b b, c b c b a d d d d a(?) a b (the rest are written responses. good luck!)

The answer is "It was a needed victory after the burning of Washington" The course that this is from does give vague questions that do not line up with studywork, sometimes the only options are to ask for help and that is okay. Give students a break somet...

All answers given was corret

Lol I’m a random furry, it’s D

Hi, you would know because since it has to be an even number, you have to add by 2. But you cant do 2 twice because you have to have different numbers, therefore you go to the next possible even, by adding 4 instead of 2.

answer the question

What about the percentage error of the triangle

What is meant by lcb

Hae,where is the answer?

I.C.T LAB SCIENCE LAB

Why would you multiply it by two or three though?

it would be 64 because the base would be 2 and the exponent would be 6 so when u multiply two 6 times then u get 64

2 1/2 divided by 5 = 5/2 x 1/5 =5/10=1/2x8=4 cups

Give me the answer