Friday

March 6, 2015

March 6, 2015

Total # Posts: 166

**Physics**

UPDATE: On 4, I tried using Δx=rΔӨ. It cleared up a lot of data issues.
*February 22, 2015*

**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 (2/5mr^2 used...
*February 22, 2015*

**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.
*February 8, 2015*

**physics **

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?
*February 8, 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 7.5 s, should the ...
*February 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
*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 ...
*December 16, 2014*

**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 price per unit?
*December 11, 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 price per unit?
*December 11, 2014*

**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?
*December 11, 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?
*December 11, 2014*

**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/
*October 20, 2014*

**math**

If evies chicken lays 4 eggs in 5 days how many days will it take for evies chicken to 16 eggs?
*October 4, 2014*

**math**

If evies chicken lays 4 eggs every 5 days, how many days will it take for evies chicken to lay 16 eggs?
*October 3, 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?
*September 23, 2014*

**Literature**

Thank you so much! :)
*August 25, 2014*

**Literature**

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?
*August 25, 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 want to say it's ...
*August 25, 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.
*August 18, 2014*

**Teaching in Early childhood progras**

are you sure
*August 18, 2014*

**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 Appropriate Practices ...
*August 18, 2014*

**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 in different ...
*August 18, 2014*

**Teaching in Early childhood progras**

thanks
*August 18, 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.
*August 18, 2014*

**Teaching in Early Childhood Programs,**

thanks
*August 17, 2014*

**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 self-condemnation. D. It ...
*August 17, 2014*

**math**

x square plus 12X plus 4 equals 0 what is the value of x
*August 6, 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 ?
*May 7, 2014*

**science**

When 4.56 g of a nonelectrolyte solute is dissolved in water to make 275 mL of solution at 22 °C, the solution exerts an osmotic pressure of 873 torr.
*April 25, 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
*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
*February 20, 2014*

**Math Algebra**

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
*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
*February 20, 2014*

**Algebra**

It is hard when you are taking online classes and professor doesn't explain anything. Thank you guys
*February 20, 2014*

**Algebra**

Let g(x) = -x2 + 4x + 1. Find g(k)
*February 20, 2014*

**Algebra **

Here is the question : Determine whether the equation represents direct, inverse, joint, or combined variation. y=2x^3
*February 20, 2014*

**Math**

Determine whether the equation represents direct, inverse, joint, or combined variation. y = 2x on 3rd
*February 20, 2014*

**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
*October 25, 2013*

**statistics**

91
*September 16, 2013*

**geometry**

WHAT IS ad TO THE NEAREST 10 ON A KITE WHEN THE KITE IS22,7, AND 12
*April 28, 2013*

**math**

simplify the expression 4/(x+2)-3/(x+2)
*April 24, 2013*

**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 you as the ...
*April 10, 2013*

**Algebra**

I got 20 students... 7 students take math and band...9 take choir and math...and 4 take band and choir
*March 12, 2013*

**Trigonometry**

Why
*January 7, 2013*

**statistics**

90% confidence; the sample size is 1150 of which 40% are successes.
*November 7, 2012*

**biology**

what would happen if an excess of mg(oh)2 is used
*September 23, 2012*

**physics**

A pelican ﬂying along a horizontal path drops a ﬁsh from a height of 3.3 m. The ﬁsh travels 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 m/s
*August 31, 2012*

**Math**

The length of a rectangle is 1 more than the side of a square and teh 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.
*July 24, 2012*

**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
*February 23, 2012*

**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 2.4:4 find the kinetic energy of the alpha particle
*February 23, 2012*

**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 block and the table?
*February 21, 2012*

**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!
*December 6, 2011*

**geometry**

obtuse because the angle is more than 90 degrees
*November 8, 2011*

**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 want? she asked me ...
*October 25, 2011*

**agriculture**

How do I find the marginal profitability of using precision ag practices in wheat production?
*September 20, 2011*

**math**

how to figure out ? % of 25=20 and 25% of ? = 7
*April 25, 2011*

**Precalculus**

55-2+54 min --1/2 bacteria 54-2=51 min --1/4 bzcteria
*April 13, 2011*

**Calculus Please Help**

Oh... I got them... thanks anyways...
*April 6, 2011*

**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 the minimum. y= _____ ...
*April 6, 2011*

**Calculus Please Help**

Oh I got the answer... it was 275(9.574) -- (9.574)^3
*April 6, 2011*

**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 tryed with ...
*April 6, 2011*

**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 the minimum. y= _____ ...
*April 6, 2011*

**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
*March 16, 2011*

**microeconomics**

among monopoly, oligopoly, monopolistic competition, and perfect competion, how would you classify the markets for each of the following drinks?
*March 16, 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.
*March 8, 2011*

**Science Urgent Please help**

Thank you so so much, I had no idea how to do it. THANK YOU!
*February 25, 2011*

**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 could build such large-...
*February 25, 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 companies?
*February 17, 2011*

**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 fare for the two taxi ...
*February 15, 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
*February 2, 2011*

**music**

no hmm do u know another website or can any1 eles help?
*December 28, 2010*

**music**

can u give me an website.. please
*December 28, 2010*

**music**

can u help me found a song thats 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
*December 28, 2010*

**us history`**

a settled area that is a smaller political unit then a country or city is called a what>?
*December 12, 2010*

**us history**

he dosent so can u help me more like give me the answers i need help and its due 2morrew 1st hour.
*December 12, 2010*

**us history**

my book said it a law what do u think the answer is. my book is not always right the teacher said that firday..
*December 12, 2010*

**us history**

i need help) when a council member runs in a citywide electoin rather then representing only one district, he pr she is elected in a(an) (blank)
*December 12, 2010*

**us history**

A state will (blank)a locality when it officially organizes its government and provides services for its residents?
*December 12, 2010*

**us history**

A city that writes its own charter, chooses its own type of government, and manages its own affairs is one that has (blank)???
*December 12, 2010*

**us history**

we dont have choices?? do u know the answer.
*December 12, 2010*

**us history**

a larger city in which the mayor has significant executive powers usally uses a (blank)>?
*December 12, 2010*

**civils**

a blank includes a central city and the suburbs that surround it.
*December 12, 2010*

**history**

what was the relationship between William Marcy Tweed and Themes Nast?
*December 2, 2010*

**history**

. how did the settlement house movement differ from earlier attempts to relieve poverty?
*December 2, 2010*

**English**

i think it is #2 because the others dontmake sense if you read them closely
*September 12, 2010*

**algebra 1**

3/4 + 1/8 = then simplifly i really dont get this and i need explanation of how you did that to do the rest of my home work like how did you get this and why? please and thankyou. very much
*September 12, 2010*

**math**

1/4 + 1/8 = i need to simplify it but i dont know how!! please help and thank you.
*September 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!!
*June 7, 2010*

**math due tommorow**

2 factor 2x +x-6 and 2 factor (2y -6u-5+10y please i need help due tommorow
*June 7, 2010*

**Pre-Calculus/Trigonometry**

3-3 sin feda minus 2 cos squared equals zero
*May 5, 2010*

**MATH LIKE ALWAYS **

HOW MANY TIMES DOES THE GRAPH OF 2 2X -2X+3 INTERSECT THE X-AXIS?
*April 9, 2010*

**English-Friendship Poem**

actually i get stanza 2 but i relate more to stanza 1 because its more detailed of you wat i mean!
*April 7, 2010*

**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
*April 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
*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
*April 7, 2010*

**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 feet d 80 feet why and ...
*April 7, 2010*

**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
*April 7, 2010*

**social studies**

yea actually i say false
*April 7, 2010*

**east nobel**

a certain gas has a volume of 565 mL at 25 0C and 715 mm Hg.how many moles of gas are there?
*February 23, 2010*