# Posts by Izzy

Total # Posts: 222

**Social Studies**

james is all correct except 7. is A

**Social Studies**

james is all correct

**math**

28.6% of the cases the victim was under 16 years old, in 21.2% the accident occurred at night, and 8.9% the victim was under 16 and the accident occurred at night. What is the probability that the victim was under 16 or the accident occurred at night? What is the probability ...

**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...

**Science**

Thank you very much Ms.Sue!

**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!

**Math Help Please!!**

OH! That's the answer? Thank you!

**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!

**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?

**english 11**

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

**history**

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

**Algebra**

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

**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 ...

**Physics**

1940

**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?

**High School**

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

**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?

**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 ...

**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?

**LA The Ninny Help & Check answers please**

the governess is lying, listen to that girl

**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 :)

**linear algebra**

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

**math**

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

**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

**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?

**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", ...

**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...

**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 ...

**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.

**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

**Algebra 1**

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

**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.

**Algebra 1**

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

**History**

Thank you so much Ms. Sue!!

**History**

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

**Language arts**

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

**Algebra 1**

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

**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...

**Math**

Sorry 34 degrees!!!!

**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.

**Algebra 2**

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

**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 ...

**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.

**Social Studies 6 Canada**

help plz

**Math HELP!!!!!**

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

**science**

a-d-b

**Ed Tech**

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

**Chemistry**

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

**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.

**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

**Chemistry**

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

**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

**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)

**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)

**Chemistry**

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

**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?

**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?

**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?

**English: Punctuation/Spelling**

OK, thanks!

**English: Punctuation/Spelling**

Which is correct: psuedo-Christian or psuedo Christian?

**Science**

Thanks!

**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?

**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 ...

**us history**

7 is sufferage.

**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?

**childcare**

are the lines vertical or horizontal ?

**physics**

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

**Science**

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

**Geography**

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

**Geography**

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

**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.

**cultural dances**

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

**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.

**Haikus**

Forget it.

**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?

**Haikus**

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

**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.

**Haikus**

Never mind

**Haikus**

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

**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?

**chem211**

How do you find Q for this example?

**foreign**

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

**foreign**

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

**math 5th grade**

Isn't it 59,425

**algebra 2**

solve for c oops

**algebra 2**

a(b+c)=bc

**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?

**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!!!

**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!!!!!

**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

**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

**geomerty**

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

**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. ;]

**spelling**

conFLICT????? :{

**spelling**

There really isn't much different in definitions.

**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.]

**Basic Math**

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

**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

**math**

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