Wednesday

January 18, 2017
Total # Posts: 219

**Physics uncertainties**

A flat head drill bit is used to drill holes of small depth. The drill bit can drill holes with a diameter size of (40 ± 0.5)mm. The depth of the hole has an uncertainty of ±1mm. If the total percentage uncertainty of the volume made by the hole is less than 10...

*December 16, 2016*

**Science**

Thank you very much Ms.Sue!

*December 8, 2016*

**Science**

I have been thinking about this and really cannot think of a good answer plz help. What environmental pressures in the past do you think we're most important in shaping the human species as it is today? Thank you!

*December 8, 2016*

**Math Help Please!!**

OH! That's the answer? Thank you!

*December 7, 2016*

**Math Help Please!!**

2.4

*December 7, 2016*

**Math Help Please!!**

Using a scale factor of 1 inch= 5 feet, what are the blueprint dimensions that is 12 x 18 feet? A. 2.2 x 3.3 B. 2.4 x 3.6 C. 2.8 x 4.2 D. 2.9 x 5.0 Thank you!

*December 7, 2016*

**Physics**

a coin is placed on a stereo revolving at 33.3 revolutions per minute. what is its centripetal acceleration when it is placed 5 cm from the center of the turntable?

*December 1, 2016*

**english 11**

What is the speakers tone? How do you know ? Harlem by Langston Hughes

*November 17, 2016*

**history**

THANK YOU SO MUCH ANONONIOUS!He is 100% Correct!

*November 1, 2016*

**Algebra**

64^10/64^5 64^10/5 64^50 64^15 64^5******** pls help thanks

*May 24, 2016*

**Calculus**

Gravel is being dumped from a conveyor belt at a rate of 15 ft^3/hr and its coarseness is such that is forms a pile in the shape of an inverted right cone whose height is three times its base radius. How fast is the height of the pile increasing when the pile has a height of ...

*March 19, 2016*

**Physics**

1940

*March 11, 2016*

**St.martins**

Olaf keeps running around the track unil he has run 0.9km in total. The track is 150m long. How many times does he run around the track?

*December 13, 2015*

**High School**

What is the IUPAC name of CH3CH(C2H5)CH=CH(C2H5)CH3?

*October 10, 2015*

**Chemistry**

hydrocarbon mixture 60% c3h8, 40% CxHy 10 g of mixture was burned with O2 excess to give 29.02 g co2 and 8.8 g h2o. what is CxHy?

*September 29, 2015*

**Physics**

A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who ignores a stop sign and continues through the intersection at constant speed. The police officer takes off in pursuit 1.70 s after the car has passed the stop sign. She accelerates ...

*September 3, 2015*

**Math**

The length of the longest piece of bread measured 1,405 pounds and 1 and 3/4 in. It was cut into slices 1/2 in. Thick. How many slices were there?

*August 25, 2015*

**SCIENCE HELP! Ms.Sue**

HI! Miss.Sue i just wanted to say thank you so much for all your help on helping me understand this thank you :)

*April 27, 2015*

**linear algebra**

(-5.1) the the zero power 3g-2b2

*April 24, 2015*

**math**

I meant 15/3. I figured it out anyway. Thanks

*March 23, 2015*

**math**

15 friends want to order pizza for dinner. They predict that each person will eat 1/3 of a pizza. How many pizzas should they order? Do divide 3/15

*March 23, 2015*

**physics**

Which moves faster after being accelerated from rest, (a) a 500 kg boat that has been imparted with a 10,000 N s impulse or (b) a 780 kg boat imparted with a 14,000 N s impulse?

*March 23, 2015*

**algebra**

A quadratic function is one of the form f(x) = ax2 + bx + c, where a, b, and c are numbers with a not equal to zero. The graph of a quadratic function is a curve called a parabola. Parabolas may open upward or downward and vary in "width" or "steepness", ...

*March 13, 2015*

**Calculus 1**

y=(2x+1)^5*(x^4-3)^6 {take the ln of both sides} ln(y) = ln((2x+1)^5*(x^4-3)^6) {simplify the right side} ln(y) = ln((2x+1)^5) + ln((x^4-3)^6) {simplify further} ln(y) = 5ln(2x+1) + 6ln(x^4-3) {take the derivative} {lets do each term individually} Deriviative of ln(y) =(1/y)y...

*March 13, 2015*

**Language Arts**

In The Diary of Anne Frank Act 1, what is one effect of wearing the yellow Star of David? A. It makes the wearers feel proud. B. It leads to a shortage of yellow cloth. C. It creates a strong sense of community. D. It sets apart the people who are Jewish. I have no idea what ...

*March 4, 2015*

**Algebra 1 (PLEASE HURRY!!)**

{3x+y=-9 {-3x+-2y=12 What is the y-value of the solution to this system of equations? A. -7 B. -3 C. -2 D. -1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.

*March 4, 2015*

**Algebra 1 (PLEASE HURRY!!)**

f(x)=-3x+1 What is f(3)? A. -10 B. -8 C. 8 D. 10 Is the answer B? Thanks

*March 4, 2015*

**Algebra 1**

My work is on a piece of paper. Kinda hard to show that.

*March 4, 2015*

**Algebra 1**

{3x+y=-9 {-3x+-2y=12 What is the y-value of the solution to this system of equations? A. -7 B. -3 C. -2 D. -1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.

*March 4, 2015*

**Algebra 1**

f(x)=-3x+1 What is f(3)? A. -10 B. -8 C. 8 D. 10 Is the answer B? Thanks

*March 4, 2015*

**History**

Thank you so much Ms. Sue!!

*March 3, 2015*

**History**

What in his life made president Lincoln want to abolish slavery? I know that he created the Emancipation Proclamation to end slavery.

*March 3, 2015*

**Language arts**

Actually the answer is C. I just took the test if you go to a Connections Academy :)

*February 27, 2015*

**Algebra 1**

Oh wait, never mind. I know exactly what I did wrong.

*February 16, 2015*

**Algebra 1**

Which expression is the factored equivalent of 3x^2-4x+1? A. (3x-1)(x-1) B. (3x-1)(x+1) C. (3x+1)(x-1) D. (3x+1)(x+1) When I factor it, I keep getting D. But I know the answer is A. So this must be a common mistake students make. What am I doing wrong? Here is my work. 3x^2-4x...

*February 16, 2015*

**Math**

Sorry 34 degrees!!!!

*February 8, 2015*

**Math**

This is trigonometry: A tree's height is unknown so we have to solve for the height of the tree. The tree casts a 11m shadow. And the angle of the triangle is 36 degrees.

*February 8, 2015*

**Algebra 2**

Solve square root of 79-5x =6x+4 (Keep your answers in simplified improper fraction form)

*February 1, 2015*

**math**

Ashley recently opened a store which sells only natural ingredients. She wants to advertise her products by distributing bags of samples in her neighborhood. It takes one person 2 minutes to prepare one bag. How many hours will it take to prepare 900 bags of samples if Ashley ...

*November 19, 2014*

**Algebra (1)**

Hello! I'm currently stuck on a ratio problem and do not understand how to work it. The question is: y+2 over y+7 = ll over 31. Please explain the answer and how to find it.

*November 2, 2014*

**Social Studies 6 Canada**

help plz

*October 28, 2014*

**Math HELP!!!!!**

3/8x11 3/5x5/7 3/4x2 2/5x5/6 7/8x1/2

*October 21, 2014*

**science**

a-d-b

*October 21, 2014*

**Ed Tech**

If you go to a Connections Academy the answer was A.

*October 13, 2014*

**Chemistry**

I forgot to add the weight of the 10.0 lbs of H2O. I got it, Thanks

*September 11, 2014*

**Chemistry**

A 5 oz carrot is burned in a calorimeter containing 10.0 lb of water. The water heats up from 20.5 oC to 22.8 oC. How many Calories are in the 5 oz carrot? Round to correct sig. fig. 1 Cal = 1000 cal.

*September 11, 2014*

**Chemistry**

A frozen dinner contains 1.5 g of fat, 14 g of carbohydrates, and 11 g of protein. How much energy is contained in this meal? Food energy Carbohydrate 4kcal/g Fat 9kcal/g protein 4kcal/g

*September 11, 2014*

**Chemistry**

I figured out what I did wrong I divided by 18 and not 18.5. Thank you for your help

*September 11, 2014*

**Chemistry**

That's the formula I used Delta T = 115J/18.5g(0.235J/g deg C) = J and g cancel leaving me with deg C =115/18.5(0.235 deg C) =35.65 deg C =36 deg C my answer was wrong but I don't know correct answer

*September 11, 2014*

**Chemistry**

If 155 J of energy is added to 18.5 g of silver, how much will the temperature rise? Silver Specific Heat= (0.235J/g deg C)

*September 11, 2014*

**Chemistry**

If we heat a 10 g sample of gold and a 10 g sample of iron with 50 kJ of energy each, which will have the greatest change in temperature? gold specific heat= 0.129J/g degC) iron specific heat = (0.452 J/g degC)

*September 11, 2014*

**Chemistry**

A 14.0 kg sample of lead is measured out at 4 oC. what is the specific gravity of lead?

*September 6, 2014*

**Chemistry**

A 14.0 kg sample of lead is measured out at 4 oC. Using the table on page 34, what is the specific gravity of lead?

*September 6, 2014*

**Chemistry**

A gold nugget that weighs 20.053 g on the balance is lowered into a graduated cylinder filled with ethanol. If the initial ethanol level was 10.10 mL, what will the final ethanol level be?

*September 6, 2014*

**Chemistry**

A gold cube that measures 3.00 cm on each side is lowered into a volumetric cylinder that has an initial reading of 5.75 mL. What will be the new water level?

*September 6, 2014*

**English: Punctuation/Spelling**

OK, thanks!

*September 1, 2014*

**English: Punctuation/Spelling**

Which is correct: psuedo-Christian or psuedo Christian?

*September 1, 2014*

**Science**

Thanks!

*May 14, 2014*

**Science**

So, is it basically just that the guinea pig offspring will have a higher chance of being black than it would for 3 offspring being black and the other one being the recessive color?

*May 14, 2014*

**Science**

Can a recessive trait be a dominant trait as well? I ask this because I have a science problem that says this: A Bb guinea pig crosses with a Bb guinea pig, and four offspring are produced. All the offspring are black. Explain how this could happen. I tried making a Punnett ...

*May 14, 2014*

**us history**

7 is sufferage.

*March 19, 2014*

**Math**

several friends each had 2/3 of a bag of peanuts left over from the basketball game. they realized that they could have bought 2 fewer bags of peanuts between them. how many friends went to the game?

*February 24, 2014*

**childcare**

are the lines vertical or horizontal ?

*January 27, 2014*

**physics**

A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity

*January 22, 2014*

**Science**

I think 10 is b, but I'm not sure.

*December 13, 2013*

**Geography**

Never mind. I came up with one. Great ( Guatemala) Big ( Beliez) Elephants (El Salvador) Have (Honduras) No (Nicaragua) Credit ( Costa Rica) Paid (Panama)

*December 3, 2013*

**Geography**

What would be a good trick to remember where all the Middle America and Bahama countries are? Much appreciated!!! Thanks!!!

*December 3, 2013*

**math**

An isosceles triangle has 2 equal sides, right? 13+13+16 or 13+16+16 Please double check with someone. I think this is right.

*December 3, 2013*

**cultural dances**

Thank you so much. I awed my mom and she didn't know. This really helps. Happy Thanksgiving!!!!!

*November 24, 2013*

**cultural dances**

I finally have to do that project on cultural dances, but the one I picked isn't the one I want to do. Is the cowboy boogie a cultural dance? Please. I only have a day now and I didn't think of it till now.

*November 24, 2013*

**Haikus**

Forget it.

*November 23, 2013*

**Haikus**

Are these ok? The wild animals Are very protective of Their natural home The sunlight is nice For us to see in daylight And helps us keep warm Do any of these contain symbolism? If so, which ones and where?

*November 23, 2013*

**Haikus**

Would any of them contain symbolism? If so, which one and what?

*November 23, 2013*

**Haikus**

I mean thank you! What about these two? The wild animals Are very protective of Their natural home The sunlight is nice For us to see in daylight And helps us keep warm.

*November 23, 2013*

**Haikus**

Never mind

*November 23, 2013*

**Haikus**

Would this be a good haiku? Wisconsin snow falls Gently and softly like rain The children go play

*November 23, 2013*

**chem211**

I did 50mL x 4.184 x (82-25) = Heat gained = 11924J Heat gained 11924J= Heat lost 11924J Heat lost = 11924J = Mass x 4.184 x (82-96) 11924J / (4.184 x -14) = Mass Mass = 203.56 = 204 mL (with proper significant figures) Is this right?

*November 5, 2013*

**chem211**

How do you find Q for this example?

*November 5, 2013*

**foreign**

Thanks but I know my dance already. It is the hula from the movie Lilo and Stich. Thanks anyway.

*October 3, 2013*

**foreign**

Does anybody know a good website that will give me an easy step-by-step instruction set for a cultural dance Help DESPRATE!!!!!!!!!!!!!!!!!!!!!!!!!!!

*October 3, 2013*

**math 5th grade**

Isn't it 59,425

*September 17, 2013*

**algebra 2**

solve for c oops

*September 15, 2013*

**algebra 2**

a(b+c)=bc

*September 15, 2013*

**physics**

A boat, whose speed is 1.75 m/s must aim upstream at an angle of 26.3 degrees ( with respect to a line perpendicular to the shore) in order to travel directly across the stream?

*September 12, 2013*

**spelling**

Thank you, but I just figured that out. Thank you for telling me this because now I know it's right. Thank you! Have a nice evening!!!

*May 23, 2013*

**spelling**

My words are: foolishness, fullness, fierceness, forgiveness, motionless, hopeless, weakness, and meaningless. I need one for this clue: impossible; without a chance PLEASE HELP!!!! APRECIATED!!! QUICKLY!!!!!

*May 23, 2013*

**math**

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a 90 degree angle and the sides measure is 3

*May 4, 2013*

**geomerty**

the answers I have to pick from are 6 pie 8 units 3 pi 4 units 9 pi 4 units 9 pi 8 units so is 9 pi 8 units the answer

*May 4, 2013*

**geomerty**

Find the arc legnth of Arc AB. Leave your answer in terms of pi. arc is 45 degrees radius is 5

*May 4, 2013*

**Combinations and Permutations, Steve and Ms. Sue☺**

slim shady did you get all those answers right on your test here is what im asking if you got right 1. C 2. B 3. D 4. B 5. D 6. B 7. B 8. B

*April 10, 2013*

**science**

On a clear night, Ram correctly identified some clouds among the stars as the Milky Way. What part of the Milky Way was MOST visible to Ram? a]asteroids b]dust c]planets d]stars I think it is ethier b or d. Please help. Appreciative. ;]

*March 27, 2013*

**spelling**

conFLICT????? :{

*March 13, 2013*

**spelling**

There really isn't much different in definitions.

*March 13, 2013*

**spelling**

There was a huge between the two canadates. Which acscented sylable would be the right one? CONflict or conFLICT [big letters are the accscented sylabble.]

*March 13, 2013*

**Basic Math**

You just use the opposite number for example you can take -6 and it's opposite would be 6

*October 10, 2012*

**Maths**

Find a three digit number so that when the digita of the number Are added together the total is one fifth of the product of the digits

*October 1, 2012*

**math**

what is the next number in line 5,13,29,61,125

*June 10, 2012*

**Algebra! I really need help!**

r=radical sign r64s^4t^3 Simplify the expression up there. Show me an explanation, too! Please! I beg of you..I need help.

*May 16, 2012*

**Calculus**

A car traveling at 42 ft/sec decelerates at a constant 7 feet per second squared. How many feet does the car travel before coming to a complete stop?

*April 26, 2012*

**U.S. History**

What policy first committed the United States to the containment of communism? Truman Doctrine Marshall Plan Yalta Accords or European Recovery Program

*April 13, 2012*