Wednesday

August 31, 2016
Total # Posts: 323

**physics**

Calculate the force of gravity on a 16 kg mass at Earth's surface. The mass of Earth is 6. 1024 kg, and its radius is 6.4 106 m.
*January 13, 2015*

**chemistry**

matts moped holds 1.9 gal of gas how many milliliters is that show work
*December 16, 2014*

**U.S. History Help!!!!!!!**

No, #3 would be A. Loyalists.
*November 26, 2014*

**physics **

A 78 g basketball is launched at an angle of 45.4◦ and a distance of 10.1 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as described above. The ...
*November 20, 2014*

**socials studies 9**

why do you think lawyers in the land claims trials refer to the royal proclamation of 1763 more than 200 years after it was proclaimed? I do not understand this question..
*November 8, 2014*

**Social Studies**

Yeah, I don't think it is. ^-^
*November 3, 2014*

**Physics**

A billiard ball of mass m = 0.250 kg hits the cushion of a billiard table at an angle of θ1 = 58.8° and a speed of v1 = 28.4 m/s. It bounces off at an angle of θ2 = 71.0° and a speed of v2 = 10.0 m/s. (a) What is the magnitude of the change in momentum of the...
*October 31, 2014*

**physics**

A rocket blasts off from rest and attains a speed of 58.9 m/s in 14.4 s. An astronaut has a mass of 57.5 kg. What is the astronaut's apparent weight during takeoff?
*October 28, 2014*

**science**

Ms. Sue is wrong, -A is correct! I just took the test and made a 100% on it!
*October 21, 2014*

**chemistry**

2
*September 15, 2014*

**Advanced algebra**

The number of freshmen entering college in a certain year is 621. What type of data is 621? A. Discrete data B. categorical data C. Continuous data
*August 18, 2014*

**Chem 1120**

Oops, my problem states I2 is a gas. I forgot to include it. so does this change the equation?
*July 13, 2014*

**Chem 1120 **

The KC for the reaction I2 --> 2I is 3.8 x 10 ^ -5 at 727 degrees C. Calculate Kc and Kp for the equilibrium of 2I -> I2 at the same conditions. I don't understand how to set up or solve this problem. I know Kc=[I]^2 / [I2] = 3.8x10^-5 for the first equation but I ...
*July 13, 2014*

**gemotry **

The coordinates of the endpoints of AB¯¯¯¯¯ and CD¯¯¯¯¯ are A(2, 3), B(8, 1), C(5, 2), and D(6, 5). Which statement about the line segments is true?
*May 12, 2014*

**Help!**

HELP!!!!!
*April 30, 2014*

**5TH GRADE MATH**

OMG my word problem is the SAME EXACT THING I NEEEEEED help my parents dont get it either STUPID common core
*April 16, 2014*

**Math**

1234567890
*April 16, 2014*

**Math**

Using these numbers, 2 4/9, 2 5/9, 2 6/9, 2 8/9, 3, 3 1/9, 3 3/9, 3 4/9 & 3 5/9. Build a square where the sum of every horizontal, vertical, and diagonal row is 9. The square has 3 rows across & 3 rows down for a total of 9 small blocks.
*April 16, 2014*

**Science**

Tris is right, I just took the test and got a 100% if you are with Connections Academy! :-)
*March 20, 2014*

**Maths**

A debate team of 4 is to be chosen from a class of 29 where the order in which the members of the team are chosen does not matter. There are two twin brothers in the class. How many possible ways can the team be formed which will not include any of the twin brothers?
*March 16, 2014*

**Language Arts**

What is the simple subject in this sentence? These homes are built up from the bottom of the pond. a. these b. homes c. pond
*March 12, 2014*

**Global Studies (Please help)**

Its in the text book 1a 2b 3a
*March 10, 2014*

**Math**

I have 10 dozen potatoes which must be equally divided into 20 bags. How many potatoes will be in each bag?
*March 6, 2014*

**science HELP ASAP!!!!!!!**

****VERY WRONG!!!**** IF YOU GO TO CONNEXUS THEN THEY ARE WRONG!!! I JUST USED THE ANSWERS ANONYMOUS GAVE AND THEY ARE ALL WRONG!!! DON'T USE THESE!!****
*March 4, 2014*

**Math**

an airplane is flying a compass of 340 degrees at 325 mph. A wind is blowing with the bearing 300 degrees at 30 mph. Find the component form of the velocity, and find the actual ground speed and direction of the plane.
*February 28, 2014*

**Algebra 2**

Why couldn't the chicken find her egg?
*February 16, 2014*

**math**

My numerator is 6 less than my denominator. I am equivalent to 3/4
*February 11, 2014*

**math**

thanks steve
*February 11, 2014*

**math**

My numerator is a prime number. The GCF of my numerator and denominator is 2. I am equivalent to 1/5.
*February 11, 2014*

**math**

Thank you so much chelle
*February 11, 2014*

**math**

My numerator is divisible by 3. My denominator is divisible by 5. My denominator is 4 less than twice my numerator. plz help very confused!
*February 11, 2014*

**Math**

How do I find a fraction equivalent to 3/4 with a numerator that is 6 less than my denominator.
*February 11, 2014*

**Math**

@Juliana is right, but 4 is b. I just took the test and got a one hundred.
*January 14, 2014*

**chemistry**

I still desperately need help guys! Homework due TOMORROW!
*January 8, 2014*

**chemistry**

Please explain, in simple English, why is milk a colloid?
*January 8, 2014*

**Science :)**

These are all right if you go to connexus if not they may be different but all of Danny's answer's are right BTW thanks Danny!
*December 18, 2013*

**Science Easy 2 Points!**

@alina is right! Just got a 100%! Thanks!:)
*December 12, 2013*

**Physics**

Vector V1 is 6N along the negative axis. Vector V2 is 4.5 N and point 45 degrees north of the x axis. Find the x and y components of each vector and find the resultant R=V1+V2with the components.
*November 26, 2013*

**physics**

an eraser
*November 26, 2013*

**Physics **

A 2 g bullet flying at 390 m/s hits a 2.7 kg aluminum block at room temperature and embeds itself in the aluminum. After everything has come to equilibrium, how much has the entropy of the aluminum block increased?
*November 26, 2013*

**physics**

A 1700 kg car moving south at 19.5 m/s collides with a 2050 kg car moving north. The cars stick together and move as a unit after the collision at a velocity of 5.16 m/s to the north. Find the velocity of the 2050 kg car before the collision. m/s to the north
*November 14, 2013*

**Science help! URGENT. Check answers**

1. False 2. C 3. D That is all I know! sorry! hope these are useful!
*October 21, 2013*

**science help plzzz**

@great stuff is right, I got 100% 5/5 too! Thanks!! :)
*October 17, 2013*

**the answer is actually**

The answer is actually The house of Burgesses
*October 14, 2013*

**Physics**

Imagine that if you drop an apple from a certain height, its final speed is 20 m/s when it reaches the ground. If you throw the apple vertically downward from the same height with an initial speed of 20 m/s, what will be its final speed? I tried 2mgh=1/2mv^2 so that the mass ...
*October 7, 2013*

**Physics**

A spring has an unstretched length of 9.8 cm. The potential energy stored in the spring is V when the spring is streched to a length of 11.8 cm. What is the stretched length of the spring when its potential energy is 2.2 V? What compressed length will result in a potential ...
*October 7, 2013*

**Calculus**

Determine whether Rolle's Theorem can be applied to f on the closed interval [a,b]. If Rolle's Theorem can be applied, find all values of c in the open interval (a,b) such that f'(x)=0. f(x) = x^(2/3) - 1 [-8,8] I plugged in both values and found out that they both...
*September 26, 2013*

**science**

i think its c but i'm not sure science is not my strong suit. this one is difficult.
*September 25, 2013*

**math**

Hi! I'm Maddie. I need some help on my homework. Here are three problems I need help with: A bowl contains only red marbles, blue marbles and green marbles. The probability of selecting a red marble from the bowl is 3/13. The probability of selecting a blue marble from the...
*August 21, 2013*

**Math**

Assuming lambda=0.02 and t=50, compute P(2)
*June 25, 2013*

**Math**

What is the range of values of the probability of an event?
*June 25, 2013*

**math**

You want to put $4,000 in a simple interest account. It has a 2.5% annual interest rate. How long will it take you to earn $500 in interest?
*May 27, 2013*

**Math**

How do you add fractions??
*May 14, 2013*

**physics**

What would be the final temperature when 125g of 25 degrees Celcius water is mixed with 85g of 45 Degrees Celcius water? ( hint: Equate the heat gained by the cool water with the heat lost by the warm water.)
*May 3, 2013*

**Math**

How do you find the total number of maximum and minimum points of the function whose derivative is given by f^1(x)=x(x-3)^2(x+1)^4 ???
*April 21, 2013*

**Chemistry**

Calculate the pH at the equivalence point when 50 mL of 0.098 M propionic acid is titrated with 0.340 M NaOH. I tried solving for the volume of NaOH and them using the total volume and then plugging it in to [H+][A-]/[HA] and used the Ka value for propionic acid but it was not...
*April 15, 2013*

**Chemistry**

Calculate the pH of a buffer solution that contains 0.60 M NaH2PO4, and 0.26 M Na2HPO4.
*April 14, 2013*

**Chemistry**

The pH of an 0.0870 M solution of weak acid A is 2.20. The pH of an 0.0830 M solution of weak acid B is 4.07. The pH of an 0.0890 M solution of weak acid C is 5.13. Identify the three acids from among those listed below (the Ka values are listed in Appendix E of your textbook...
*April 12, 2013*

**Chemistry**

I'm not really sure how to go about doing this problem... What is the pH of a 7.40 x 10-3 M solution of NH4Cl? Help is appreciated! Thank you
*April 7, 2013*

**algebra**

write and inequality describing this region. will an 18 wheeler hold 71 refrig's and 118 tv's or will it hold 51 refig's and 176 tv's?
*March 24, 2013*

**Chemistry**

Awesome! Thank you
*March 14, 2013*

**Chemistry**

An aqueous antifreeze solution is 31.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.039 g/cm3. Calculate the molality of the ethylene glycol.
*March 14, 2013*

**Chemistry**

Thank you :)
*March 14, 2013*

**Chemistry**

A solution of hydrochloric acid (HCl) contains 22.5% hydrochloric by mass. What is the molality of this solution I'm not sure how to start this problem...
*March 14, 2013*

**Chemistry**

maybe my homework set online is messed up because it is not taking either of these answers :( sorry. But thank you both for your help!
*March 14, 2013*

**Chemistry**

hmmm for some reason this did not work... How did you go about solving this problem? Could any of them be a tie?
*March 14, 2013*

**Chemistry**

Rank the following compounds in order of their solubility in water. (most soluble = 1 -- least soluble = 4)--Note that for the same solubility rank the same (a tie). (CH3)2CHOH HOCH2CH(OH)CH2OH CH3CH2OH (CH3)3COH
*March 14, 2013*

**Chemistry**

Thank you so much!
*March 14, 2013*

**Chemistry**

What is the molarity of nitrate ions in a solution containing 2.20 mg of Mg(NO3)2 dissolved in 7.35 L of water?
*March 14, 2013*

**math**

If x = 15 units, y = 7 units, and h = 4 units, then what is the area of the trapezoid
*February 11, 2013*

**Algebra**

Find the integers from 1 to 144 which are perfect squares and write the square root of each one.
*February 5, 2013*

**Math**

Ten boys are to share 3 3/4 pounds of candy equally. How much candy does each boy get?
*February 3, 2013*

**Math**

1). How many shelves each 2 3/4 feet in length can be cut from a piece of lumber that is 15 2/3 feet long?
*February 3, 2013*

**Chemistry**

What mass of CH4 is contained in a 443 mL sample of CH4 at −32◦C and 282 torr? Answer in units of g. I tried so many times and I don't get it!
*January 16, 2013*

**Stats Repost**

0.057
*December 17, 2012*

**trig**

If tan y = -4/3 and y is in Q I'VE find cos 2y
*November 27, 2012*

**trig**

If tan y = -4/3 and y is in Q I'VE find cos 2y
*November 27, 2012*

**math**

a ship sail S 40 degrees W four 4 hours how do i figure out this question
*November 27, 2012*

**math**

A ship sail S 40 degrees W for 4 hours at 30 kph. make a scale drawing
*November 26, 2012*

**Physics A**

how much work is being done a bookshelf being pulled 5 meters at an angle of 37 degrees from the horizontal? The magnitude of the component of the force that does the work is 43 Newtons
*November 21, 2012*

**Physics**

An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?
*October 25, 2012*

**Physics**

An airplane flies due north at 260 km/h with respect to the air. There is a wind blowing at 60 km/h to the northeast with respect to the ground. What are the plane's speed and direction with respect to the ground?
*October 25, 2012*

**Algebra**

write the standard form of the equations: through (1,3) and (-4, -4) through (5,4) and parallel to y=4
*October 25, 2012*

**Algebra**

write the following in standard form: slope= 2/3 y- intercept= 3
*October 24, 2012*

**5th grade word problems**

5 3 -- * -- 100 x 5x=300 x=60 1. put 5 over 100, oranges over oranges. And 3 over X. glasses over glasses 2. cross multiply, 5*x and 100*3 3. divide both sides of the equation by 5 to get x by it's self. 4. X=60, you can make 60 glasses with 100 oranges
*October 24, 2012*

**3rd grade math HELP ASAP**

373
*October 24, 2012*

**3rd grade math**

78
*October 24, 2012*

**math**

98*3=294 294\3=98 294+98=392 392*2=784 784 Feet
*September 4, 2012*

**Science**

oh I get it now, thank you
*August 23, 2012*

**Science**

um sorry but Ms.Sue it's not supposed to be the separate functions but how it all ties together
*August 23, 2012*

**Science**

I have this last question left and I'm stuck!!! Explain how cell organelles are similar to a factory. Must be 1/2 a page.
*August 23, 2012*

**geography**

We are not geeks. WE are smart individuals.
*August 21, 2012*

**math**

Grapes cost $2 per pound. How much does the given amount cost? 0.25 pounds.
*August 19, 2012*

**math**

There are a total of eight possible outcomes for three coins: HHH, HHT, HTH, THH, TTH, THT! HTT, TTT. Out of these eight outcomes, seven of these show at least one tail (all except HHH). After counting, we find that six of these seven outcomes have at least one head, so the ...
*July 26, 2012*

**Math **

Factor the polynomial completely. 6x^3 + 36x^2 - 240x
*May 18, 2012*

**Science**

The sun emits billions of watts of light,heat,and energy ever second. How much of this light,heat, and energy does the Earth benefit from?
*March 28, 2012*

**calculus**

FInd the area of the region bounded by the graphs of y= 3x^2+1 , y=0, x=-2.7, x=2.5
*March 1, 2012*

**8th grade math**

what does the problem look like?
*March 1, 2012*

**math**

12+ 2n=60 48= 2n 24= n :)
*March 1, 2012*

**Math**

(n-14)/ 12 = 248 n-14= 2976 n= 2990
*March 1, 2012*