Tuesday

October 6, 2015
Total # Posts: 74

**MATH**

150cm 100cm=1m 900cm=9m 900cm-750cm=150cm
*September 30, 2015*

**Algebra I**

How would I find an absolute value inequality which x is less than or equal to 6 or x is greater than or equal to 10?
*September 27, 2015*

**math**

Actually about 2 it would be on III, sorry about that.
*April 8, 2015*

**math**

For the first question.. It's kinda hard to explain, but pull up a graph. um.. -5 would be on the x line, horizontal line. So would -4, and 0. So X always goes first. 2. I am pretty sure it would be IV, cause x is less than 0, so it would be in the negatives, same with y &...
*April 8, 2015*

**Geology**

Does anyone know where are Ontario's largest mineral deposits other than the ring of fire in the north? Thanks for the link Ms. Sue, still having trouble.
*March 16, 2014*

**Geology**

Hi i'm looking for some help finding information on the topic of "mineral deposits" - specifically; where are Ontario, Canada's largest ones, what are they & how did they form? I'm having trouble finding enough research on this topic for my paper so any ...
*March 16, 2014*

**Number Sequences**

Explain It. What do you need to do to extend a pattern?
*February 10, 2014*

**3rd Grade**

Casey has 10 olives to eat. She wants to have the same number of olives at lunch and at dinner. She wonders how many olives she should eat at each meal. Which number sentence fits this problem?
*January 23, 2014*

**Math **

Can someone give me the answers to pizzazz e-8 page
*September 11, 2013*

**Calculus antiderivatives**

find an antiderivative of the function ((t-1)^2)/sqrt(t) that goes through the point (1,2) i find derivative of top and bottom first and get 2t-2/(1/2*sqrt(t)) but this doesnt give right solution then i find diervative of that again and i get 2/(-1/4 * t^(-3/2)) what am i ...
*May 26, 2013*

**intergrals**

find value of def integral with a=-2 and b=2sqrt(3) definite integral is : x^3 * sqrt(x^2+4) dx for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please
*May 26, 2013*

**integral calculus**

find indefinite integral [(sinx)^3]*[(cosx)^3] dx i got 1/192 * ((cos(6x)-9cos(2x)) + C but this isnt right. explain plz? thnx
*May 26, 2013*

**integrals**

find value of def integral with a=-2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please
*May 26, 2013*

**def integrals**

find value of def integral with a=-2 and b=2sqrt(3) for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2) for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please
*May 25, 2013*

**Integral**

find indefinite integral [(sinx)^3]*[(cosx)^3] dx i got 1/192 * ((cos(6x)-9cos(2x)) + C but this isnt right. explain plz? thnx
*May 25, 2013*

**Math - Quadratic**

a=1 b=0.20 c=-3 0.20 = x^2/(15-x) ((15-x))0.20 = (x^2/(15-x))((15-x)) (15-x)0.20 = x^2 (-3)3-0.20x = x^2(-3) (+0.20x)-0.20x = x^2-3(+0.20x) 0 = 1x^2+0.20x-3
*February 19, 2013*

**trigonometry**

Simplify and write in standard form. 1.) (radical 3 + i radical 15)(radical 3 - i radical 15) 2.) 8 + 16i / 2i Thanks again everyone. Any help is appreciated.
*December 3, 2012*

**trigonometry**

1) Perform the operation and leave the result in trig. form. [3/4(cos pi/3 + i sin pi/3)][4(cos 3pi/4 + i sin 3pi/4)] Thanks
*December 3, 2012*

**trigonometry**

1)Solve and write in standard form: 4x^2-4x+21=0 2)Find the standard form of the complex number. 8(cos pi/2 + i sin pi/2) Thanks everyone!
*December 3, 2012*

** Physics [No Math]**

When calculating weights away from Earth's surface, for example: At 6.38x10^3 km away from Earth's surface a spacecrafts weight is d=rE+rE Then F=(1/4)(SpaceCraftWeight) Why is the distance 2rE?
*December 2, 2012*

**trigonometry**

steve, you are the man! i wish i had your brain.
*November 27, 2012*

**trigonometry**

A plane is headed due west with an air speed of 300 mph. The wind is from the north at 80 mph. Find the bearing for the course and the ground speed of the plane.
*November 27, 2012*

**trigonometry**

Find the magnitude of the resultant force and the angle between the resultant and each force: Forces of 2 lbs and 12 lbs at an angle of 60 degrees to each other.
*November 27, 2012*

**calculus**

vbr{lr<5vvx><f(nn)/.bbn> vbr<lr><5.12>(9.8)^3 .bbn=%ff %ff=F(9x) .bbn=%ff9x .bbn=.133%tri .bbn=.tri t.ri=vbr v=161.2 b=39.1 r=12.7 Sub in values of vbr
*November 19, 2012*

**Physics**

^^^Wrong! 10c-<0.06>=f(n)(l1/l3+l2/l4) uf=f(x)_ln<1.962> fx/%fl %fl=1.333 2C-<0.09>=f(1.33) ANS:___?
*November 19, 2012*

**Physics**

Solve: vbr{lr<5vvx><f(nn)/.bbn> vbr<lr><5.12>(9.8)^3 .bbn=%ff %ff=F(9x) .bbn=%ff9x .bbn=.133%tri .bbn=.tri t.ri=vbr v=31.4 b=59.3 r=28.6 KE___?
*November 19, 2012*

**Physics HARD**

Thank you!!! Why is t.ri = vbr and not just tri?
*November 19, 2012*

**Physics HARD**

If an objects vbr is 6.32N/sc what is its mass? I'm so stuck...:((((
*November 19, 2012*

**Math**

How can you use rounding to estimate 331 + 193?
*November 13, 2012*

**math**

If alpha= 33.5degrees, a=7.4, and b=10.6, then what is beta to the nearest tenth of a degree.
*October 30, 2012*

**math**

(rewrite of prev question) If alpha=8degrees, beta=121degrees and c=12 then what is Y?
*October 30, 2012*

**math**

If a=8degrees, b=121degrees and c=12 units, then what is Y?
*October 30, 2012*

**arithmetic**

I am greater than 200 but less than 500. The sum of my digits is 18. the product of my tens place digit and my 100's place digit equal 20. What digit am I ???
*October 14, 2012*

**trigonometry**

sinxcosx/cos^2x-sin^2x=tanx/1-tan^2x
*October 11, 2012*

**trigonometry**

verify the identity: (cosx/1+sinx) + (1+sinx/cosx) = 2secx
*October 11, 2012*

**hcs588**

What key measurments tools would you use to measure quality outcomes such as a reduction in patient falls, medication errors, complication rates? Why?
*September 1, 2012*

**Chemistry**

A 350 ml of gas at 1.25 atm and 298 K is heated to 343 K an the volume increased to 750.0ml. What is te new pressure?
*April 24, 2012*

**math**

i have a 36 in. wide by 18 in. length by 20 in high rectangular aquarium that needs to be filled. i have a 12 in high cylindrical bucket with a 12 in diameter to fill the tank. if the aquarium contains 3 in of gravel and the bucket is to be filled to a depth of 11 in, how many...
*February 20, 2012*

**Statistics**

2. Obtain and interpret descriptive statistics (Mean, Median, Variance, and Std. Dev.). Include the STATA outputs in your results. (Use Stat command “tabstat crimerat police59, statistics(mean, p50, var, sd)” (3 pts) . tabstat crimerat police59,statistics (mean, p50...
*November 8, 2011*

**statistics**

Five percent of all items sold by mail order company are returned by customers for a refund. Find the probability that, of two items sold during a given hour by this company, a) both will be returned for a refund b) neither will be returned for a refund
*October 19, 2011*

**Stiochiometry**

15.8 grams of NH3 and excess O2 produces NO gas and H2O. 12.8 grams of NO gas was produced. Find the percent yield. Balanced Equation: 4 NH3 + 5 O2 -> 4 NO + 6 H2O
*May 15, 2011*

**trig**

A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket
*April 14, 2011*

**trig**

A rocket tracking station has two telescopes A and B placed 1.9 miles apart. The telescopes lock onto a rocket and transmit their anlges of elevation to a computer after a rocket launch. what is the distance to the rocket
*April 14, 2011*

**physics**

If a runner travels at a speed of 10 m/s for 5 seconds, stops for a short time then continues on at a speed of 8 m/s for 4 seconds. How long was the runner stopped for if his average speed at the end of the trip is 4 m/s.
*February 22, 2011*

**Science**

Expain how there can be more heat energy in an iceburg than in a pot of boiling water.
*December 14, 2010*

**Chemistry- Buffers**

Since Ka a measure of H+ ions, -log(Ka)= pH.. my assignment says that part is right, I just don't know what to do from there to get M -> moles -> grams
*December 5, 2010*

**Chemistry- Buffers**

a buffer is prepared by mixing .208 L of 0.452 M HCl and 0.5 L of 0.4 M sodium acetate. When the Ka= 1.8 x 10^-5 I figured out that the pH= 4.74 but then it asks how many grams of KOH must be added to the buffer to change the pH by .155 units?
*December 5, 2010*

**Chemistry**

You have a .200M solution of NaCl. if you pipette 2.00 mL of the solution into a 25mL volumetric flask and dilute it to the mark, then what is the molarity of the new solution
*October 24, 2010*

**PHYSICS!!!!! HELP!**

The velocity of a diver just before hitting the water is -8.6 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.86 s of the dive? im so stuck. i tried this problem several times, and my answers werent correct. ...
*September 28, 2010*

**physics**

A team of 6 scouts plans to cross a lake on a raft they designed. The scouts have wooden beams with an average relative density of 0.80. The beams measure 30cmx30cmx3m. The average scouts' mass is about 65kg and for their safety, they want the top of the raft to be at ...
*September 2, 2010*

**physics**

a hot air balloon rise above the ground, accelerating upwards at a rate of 2 m/s^2. The total mass of the hot air balloon and it occupants is 400kg. the density of the air is 1.3 kg/m^3. a) Determine the volume if the hot air balloon. b) if this acceleration is maintained for ...
*September 1, 2010*

**CHEMISTRY RIDDLE!!!!**

hi! i was just wondering if you could help me figure out this riddle!! im absolutely stumped!!! "Anger: an acid that can do more harm to the vessel in which it is stored, than to anything on which it is poured" is a quote attributed to Seneca, a Roman philosopher. Do...
*August 8, 2010*

**Math**

Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game.
*March 30, 2010*

**History**

If these guys are not solving your problems than I dont know what the heck is this website for?
*March 4, 2010*

**chemistry**

Thank you Chad for asking this question and thank you Br. Bob for answering it!
*February 8, 2010*

**chemistry**

Thank you Dr. Bob!
*February 8, 2010*

**physics**

Radius= 7.15x10^7m
*February 22, 2009*

**physics**

Mass of Jupiter is 1.90x10^27kg
*February 22, 2009*

** religious education**

i too struggled with this question
*January 24, 2009*

**Math**

what do you call two railroad trains after a head-on collision?
*October 1, 2008*

**algebra**

thank you
*September 21, 2008*

**algebra**

Ok so ive gotten this far on finding the points of (2004, 3370) and (2007, 3552) can someone help me find out the equation in y=mx+b form please
*September 21, 2008*

**geog**

sikh temples, muslim mosques thanks
*September 20, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

HeisDecomposing
*April 6, 2008*

**year 7 music**

explain ternary form what have played/sound in this structure thanks for your help!
*January 28, 2008*

**science**

can someone tell me how to draw a gene
*January 9, 2008*

**Biology**

Explain how the world would be different if C4 plants and CAM plants had not evolved.
*December 1, 2007*

**Bio - Na+,K, and Cl- leave a cell as a result of?**

Na+, K+, and Cl- leave a cell as a result of ? A) exocytosis B) pumps C) ATP D) a, b, and c
*November 28, 2007*

**Bioo // gateway for ions to enter and leave a cell**

Gateway for ions to enter and leave a cell ... A) hydrophobic end B) hydrophilic end C) protein channels D) a, b, and c
*November 27, 2007*

**Algebra II**

(4x-9)- (7x-3) would be: -3x-6
*September 15, 2007*

**english**

need some help..waht is predicate, predicator and predication in this sentence: Twenty years ago London could have claimed the title "Smog City,Europe". Writeacher has given good information here. http://www.jiskha.com/display.cgi?id=1178019535.1178021833 ok i can ...
*May 3, 2007*

**MATH**

I'M IN 6 GRADE PLEASE EXPLAIN HOW TO RENAME FRACTIONS TO DECIMALS AS EASY AS YOU CAN You divide the fraction by the the number at the top by the number at the bottom and get a decimal For example 5 --- = 6 doesn't go into the 5 so we add a 0 and a point and then we add...
*April 17, 2007*

**geography**

Whats a good site to go to get information about a county? The information is just the capital, culures, stats, basic information that's all. Thanks http://www.google.com/search?q=county+statistics&ie=utf-8&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a There are...
*February 8, 2007*

**Music**

I have heard of polyphonic textures, are polyphonic textures the same as polyphonic sections? Polyphonic sections are parts of a homophonic texture that vary and are polyphonic. Here is a site on polyphonic texture. http://www.uwosh.edu/faculty_staff/liske/musicalelements/...
*November 7, 2006*

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