Saturday

October 1, 2016
Total # Posts: 86

**science**

a radioisotope, Iodine-131, has a half life of 8.1 days. explain what this means. draw a particle diagram for a sample 12 particles of I-131 initially after 8.1 days and after16.2 days.

*May 24, 2016*

**geography**

The locations of three cities on a map of Yunnan province, China, have distances that form a right triangle (see figure below). Estimate the distance from the cities of Tadizhai to Xiaojiezhen. Round your answer to the nearest mile.

*April 4, 2016*

**Math**

Carol makes a spinner for a game. The spinner is divided into 10 equal sections. Each section is shaded 1 of these colors: green, red, yellow, or blue. On this spinner, the probability of spinning green is 3 times as great as the probability of spinning red. The probability of...

*March 20, 2016*

**Math**

On a map with a scale of 2 in. = 15 mi, what would be the demensions of a 72 mi by 120 mi rectangle?

*February 29, 2016*

**MATH PLEEASEEE HELPPP**

If the outliers are not included in the data set below, what is the mean of the data set? 42, 43, 46, 48, 57, 60, 96, 59, 38, 68, 29 47 48 49 52 is it c

*February 9, 2016*

**WORLD HISTORY HELP**

In what ways did religion influence the Magna Carta?

*February 8, 2016*

**Social studies**

Crossfire ur crazy dood

*January 12, 2016*

**Language Arts...Help please!**

If I did chronological order, I could talk about how to play a game I guess.

*December 7, 2015*

**Language Arts...Help please!**

I was going to write about tennis.

*December 7, 2015*

**Language Arts...Help please!**

Could someone help me please. Select one of the following three types of organization: -cause-and-effect -chronological -comparison-and-contrast Then, using your selected mode of organization, write a paragraph on a topic you select yourself. Choose a topic that will work well...

*December 7, 2015*

**Math**

okay thank you. I understand it better now.

*December 3, 2015*

**Math**

Solve the following systems of equations: -2x+y=1 -4x+y=-1 (3,1) (-1,3) (-1,-3) (1,3) Could someone please help. I'm confused on how to solve this. Thank you!

*December 3, 2015*

**History**

So do you think it would be correct?

*December 1, 2015*

**History **

1. Which of the following did George Washington do during his presidency? -established a cabinet of advisers** -limited himself to one term in office -offered military support in foreign wars -served ties with Great Britain 2. What precedent did George Washington set by ...

*December 1, 2015*

**math**

Deez nutz gotti gotti 😅😆😎 man it feels good to be a gangster

*November 6, 2015*

**university of hartford**

suppos the velocity is given by v=9t^4. Find the displacement as a function of time if s=6 when t=0

*May 6, 2015*

**physical education**

For science fair project interview from an expert: 1. How much should my time improve in 30 days running a mile? 2. Will the type of shoe I wear affect my running time? 3. How will the weather affect my time? 4. Do different track surfaces affect my time? 5 What can I do to ...

*April 24, 2015*

**physical education**

For science fair project interview from an expert: 1. How much should my time improve in 30 days running a mile? 2. Will the type of shoe I wear affect my running time? 3. How will the weather affect my time? 4. Do different track surfaces affect my time? 5 What can I do to ...

*April 24, 2015*

**Math**

Question: 1/2(x+3) + 5x = 2 - 4/3 (1-2x) My work: 5 1/2x + 3/2 = 2/3 + 8/3x 33x + 9 = 4 + 16x 17x = -5 x = -17/5 Did I do this correctly?

*February 21, 2015*

**Math**

A video game that originally costs $68 is on sale at a 15% discount. What is your final cost of the video game If there is a 5% sales tax?

*February 21, 2015*

**physics 2**

to increse intensity o f a wave by a factor of 50, by what factor should the amplitude be increased?

*February 20, 2015*

**Math.**

Ikr dude. I thought it was only me tbh o.o

*January 28, 2015*

**language arts**

connexus you could have helped him a little bit other then putting him on the spot like that and just to let you know almost the hole connexus academy is using this sight to cheat so i think the only reason connexxus is in a good possition right know is because there alowing ...

*January 27, 2015*

**language arts**

pacman is only a geanous

*January 10, 2015*

**Language Arts**

#1 is correct #2 is correct #3 is A, the first one #4 is C, the third one

*October 1, 2014*

**banking**

1,205.86

*August 2, 2014*

**Physics**

A 10kg box is initially at rest 10m above the ground level on top of a hill. The box starts to slide down the hill and when it reaches ground level it has speed 10m/s. Was there a friction force between the box and the ground? If so how much work did the force of friction do ...

*May 9, 2014*

**Calculus**

An electric elevator cable with a motor at the top has a multistrand cable weighing 4.5lb/ft. When the car is at the first floor, 180ft of cable are pulled out, and effectively 0ft are out when the car is at the top floor. How much work does the motor do just lifting the cable...

*May 2, 2014*

**shakespeare**

hfgyufgyufvghf

*April 22, 2014*

**Physics**

An object is placed on a frictionless inclined plane, and will accelerate at a constant rate. Determine the amount of acceleration due to gravity both parallel and perpendicular to the incline.

*February 10, 2014*

**Physics**

You guys are the best ....thank you

*February 3, 2014*

**Physics**

An object at rest accelerates through a distance of 1.5 m at which point the instantaneous velocity of the object is 3.5m/s. Determine: a. The average acceleration of the object b. The time it took the object to travel 1.5m c. The average velocity of the object during this ...

*February 3, 2014*

**Physics**

idk u tell me

*January 2, 2014*

**trig, math**

A stairway must be built to a deck that is 20 feet above ground level. To the nearest half foot, how far from the base of the deck, on ground level, should the beginning of the stairway be placed so that the stairway forms a 60° angle from the ground?

*June 27, 2013*

**Calculus**

Derive: F(x)= sqrt(3, 1 + tan(x))

*May 1, 2013*

**College Chemistry**

1927

*January 28, 2013*

**Science**

Does the material of the rod affect the period of time taken by a pendulum? if so, how? like maybe, if the mass of the rod is heavier, it will take a shorter time, etc.

*September 4, 2012*

**help please :)**

the answer is A. I think your website is mistaken Ms.Sue.

*June 20, 2012*

**English**

Doug is on the phone with the vice president of marketing, pitching to him the benefits of the new Web-based performance appraisal system that HR wants to implement throughout the company. “It will simplify things for you. More importantly, it will boost your department&#...

*May 26, 2012*

**math**

Write three arithmetic and three geometric means between 4 and 324

*April 21, 2012*

**Math**

Perform the indicated operations and simplify i^37 sqr-12 x sqr-15

*April 7, 2012*

**Chemistry, please help!**

Thank you! I got it.

*March 17, 2012*

**Chemistry, please help!**

The average human body contains 6.20 L of blood with a concentration of 2.40×10−5 M . If a person ingests 8.00 mL of 13.0 mM NaCN, what percentage of iron(II) in the blood would be sequestered by the cyanide ion? According to the equation: Fe2+ + 6CN- ->[Fe(CN)6...

*March 17, 2012*

**Math/conics**

For each point in a set of points, its distance from (3,4) is four times it's distance from (-5,2) a. Find the equation b. tell which conic section the graph will be.

*March 12, 2012*

**history**

philosophies of relegion

*February 7, 2012*

**science**

I need to know what is human im pact

*February 5, 2012*

**Calc**

The curve 3y^2 - 3xy + 2x^3 = 7 has vertical tangents when

*January 3, 2012*

**Math**

15,10,5 I need A. B. C. I need the number pattern

*November 2, 2011*

**Physics**

H=h+(d^2)/h

*October 17, 2011*

**physics**

Since it is moving at a constant velocity there is no acceleration, which means there is no force. The equation for work is force*distance. There fore the work done on the cart by the rope is zero.

*October 13, 2011*

**Geometry**

a climber uses a rope to ascend a vertical cliff, Let A represent where the rope is secured at the top , let B represent the climbers position And let C represent were the rope is secured at the bottom CB=4x, AB=64-x and AC=11x

*September 14, 2011*

**physics**

No haha

*September 13, 2011*

**STATISTICS**

The number of boxes of girl scout cookies sold by each of the girl scout in a city has a distribution which is approximately normal with a mean=75 boxes and a standard deviation=30 boxes.... 1.) find the probability that scout chosen at random sold between 60 and 90 boxes. 2...

*August 10, 2011*

**chemistry**

222g of oxygen contains how many moles?

*June 3, 2011*

**Math**

Which statement is always true about a parallelogram? A. It has 4 congruent sides B. It has 4 right angles. C. It has opposite angles that are congruent. D. The sum of any 3 angles is 360 Is it a?

*April 7, 2011*

**Chemistry **

.46%

*April 5, 2011*

**chemistry**

H2O acts as a ligand and binds to Ag. This gives and equation of AgCl +2H20 - Ag(H2O)2 + Cl

*March 12, 2011*

**physical science**

Atoms in a molecule are held together through shared __________.

*February 14, 2011*

**Physical Science**

Atoms in a molecule are held together through shared __________.

*February 14, 2011*

**MATH**

FIND THE DIAMETER AND CIRCUMFERENCE OF A CIRCLE THAT HAS A RADIUS OF 1.7 USE 3.14 FOR PI

*December 13, 2010*

**Math Surveying**

Hey, I need help working these problems. Thanks you. 1) A 50-m tape is used to measure between two points. The average weight of the tape per meter is 0.320 N. If the measured distance is 48.888 m, with the tape supported at the ends only and with a tension of 100 N, find the ...

*September 26, 2010*

**Math Surveying**

Need help working this problem. Thanks in advance! 1) A 50-m tape is used to measure between two points. The average weight of the tape per meter is 0.320 N. If the measured distance is 48.888 m, with the tape supported at the ends only and with a tension of 100 N, find the ...

*September 26, 2010*

**Math Surveying**

Hey, Need some help working these 3 problems. I have the answers but I'm having problems working them. Thank you in advance. The slope measurement between two points is 25.333 m and the slope angle is 1°50. Compute the horizontal distance. A distance of 177.50 ft was ...

*September 26, 2010*

**Math**

Ok, thank you sooo much I get it now!! Thanks again Mason

*August 27, 2010*

**Math**

Ok. So there can't be a consecutive number "set" when the number is a even number?

*August 27, 2010*

**Math**

Ok, so if the number was even, would you do the same thing? Mason

*August 27, 2010*

**Math**

I just googled 'what is a consecutive number'. I kind of understand what it means, but I need to know what two consecutive numbers add to 257. Hope you can help me!!! Thanks Mason

*August 27, 2010*

**Math**

OK THANK YOU! MASON

*March 25, 2010*

**Math**

What is 1/2 of 7/8'S? THANKS MASON

*March 25, 2010*

**music**

my music homework says fill in each blank so that the duratons are equivalenti dont get it

*August 26, 2009*

**Math**

I have to write my fraction in simplest form. How do I do that because I forgot.

*April 27, 2009*

**math - see if correct**

Thank you!!

*February 23, 2009*

**math - see if correct**

If the area is x^2+5x+6m^2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2)since the height is x+3 then we know the base is x+2. (is this correct)

*February 23, 2009*

**math - maybe this is right**

If the area is x^2+5x+6m^2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2)since the height is x+3 then we know the base is x+2. (is this correct)

*February 23, 2009*

**math - see if correct**

The area in square meters for a triangular sail is given by A(x) = x2 + 5x + 6. x = (5) the height of the sail is x+3 is the length of the base x+2?

*February 23, 2009*

**math**

if the area is 56m^2 and the height is x+3 what is the base? is it x+2?

*February 23, 2009*

**math**

If the area is x2 + 5x + 6m2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2) since the height is x+3 then we know the base has to be x+2

*February 23, 2009*

**see if this is correct**

If the area is x2 + 5x + 6m2 and we know the area is a square which is base times height, we can factor the equation so that it comes out to (x+3)(x+2) since the height is x+3 then we know the base has to be x+2

*February 23, 2009*

**Algebra 2**

R (p) = - 0.08p2 + 300p. Factor out the price on the right-hand side of the formula.

*February 23, 2009*

**math**

There are 42 houses on Main Street. Three less than half of the houses are made of brick. Of the rest of the houses,3/4 are painted white and the rest painted other colors. How many are other colors

*January 18, 2009*

**Algebra**

5,-2 -3.8

*December 2, 2007*

**Math**

The density if a sample is 5.8g/cm^3. the sample fills a cylindrical container whose hieght is 10.2 cm and whose radius is 4.3cm Find the mass of the sample. Mason, I'm sure the reason you haven't received any responses yet is that you haven't indicated what YOU ...

*July 23, 2007*

**Math**

A rectangle solid is 10.0cm long ,8.1cm wide and 2.7cm tall. The mass of the rectangular solid is 36g What is the density hi Density = mass/volume D = 36/(10 * 8.1 * 2.7) Your answer should be in terms of grams per cubic centimeter. I hope this helps. Thanks for asking.

*July 23, 2007*

**math**

that's so hard thank you

*March 5, 2007*

**pre-algebra**

a woman jogging at 6 mph passes a man biking the in opposite direction at 12 mph. If they maintain there speed, how far from each other will they be 10 minutes after passing? I tried 12 divided by 10 + 6 divided by 10 = 1.8 but I am not sure if that answer is correct... I ...

*September 8, 2006*

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