# Posts by lily

Total # Posts: 1,543

**CHEM redox equations help!**

MnO4 ^- + C2O2 ^2- = MnO2 + CO3 ^2- how would you balance this in basic solution? I keep getting the wrong answer.

**Educational Technology.**

Yup, right.

**Chemistry**

Name the organic product of the following nucleophilic substitution reaction OH-+CH3I

**math probability question**

If a player rolls 2 dice and gets a sum of 3 or 11 he collects $15. if he gets a sum of 12 he gets $3. the cost to play the game is $2. let x be the net money gained by the player. a. construct the prob distribution of the random variable x b. find the expected net/gain loss ...

**health**

Heredity, activity level, and body composition. A, B, and D.

**Social Studies**

Oh yeah, B?

**Social Studies**

1. The climate along the equator in Africa is ____. A. hot and dry B. hot and wet** C. wet and dry D. cold and dry 2. What is one way that people have changed the environment in parts of West and Central Africa? A. They have made all land arable. B. They have cut down trees ...

**Social Studies**

Ooh...so 1 is a savanna?

**Social Studies**

Okay is 1. grasslands?

**Social Studies**

1) A fairly dry area between the Sahara Desert and the wetter regions to the south is the ___. A. savanna B. Sahel C.grasslands D. Congo ^ Is it D, Congo? 2. Which African climate zone is home to the savanna? A. tropical wet B. tropical wet and dry C. semiarid D. arid ^Is it C...

**Social Studies**

NVM! IT’S C

**Social Studies**

2) An econmy’s total output divided by the total population is called: a- gross national product b- circular flow** c- GDP per capita d- net export

**Math**

Hi! I need help with this question: Directions: Find the rest of the answers for the table and then find the estimate for it's limit. Problem: lim x→0 cos(3x-1)/3x Table: (top row) -0.1, -0,01, -0.001, 0.01, 0.1 (trying to find what the bottom would be for f(x) row.

**Algebra 2**

Can someone explain this exponential expression problem to me please? (3x/y^3)^-3 So I got the answer (1/27x^3)/ 1/x^9. Is this correct and if not where did I go wrong?

**physics**

A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 29.0 m. Next, the student stands at the edge of the pool and uses a ...

Thank you so much! That really helped!

**math**

If x + y + z = 26, find the value of (y-2) + (z+3) + (x-3). I was so confused on this question and didn't even know where to start. Please help me!

**Math**

would it be 21?

**Math**

the sum of 6 and 4 times a number (n) equals 90

**Social Studies**

okay so muscogee right?

**Social Studies**

dade?

**Social Studies**

which of the following georgia counties is most likely to experience a direct hit of a hurricane? dooly, muscogee, or dade

**Social Studies**

okay thank you!!!1

**Social Studies**

or southwest?

**Social Studies**

is georgia to florida southeast?

**Social Studies**

georgia to florida northeast? georgia to tennessee southwest? georgia to texas southwest? georgia to colorado northwest?

**Social Studies**

what general direction would you travel to go from georgia to florida? georgia to tennessee? georgia to texas? georgia to colorado?

**Please Read**

how many seasons are in a school year

**Science**

medals like an olympic metal

**Science**

what are the effects of oxygen on medal.

**Algebra**

Suppose f is a polynomial such that f(0)=47, f(1)=32, f(2)=-13, and f(3)=16. What is the sum of the coefficients of f?

**math**

How do you find the area and perimeter of your room floor?

**kempston**

i spent 1/4 of my money in one shop and 1/3 of my money in another shop. what fraction was left?

**Organic Chemistry**

Consider the weak organic base n-propylamine. The Kb value for this base is 1.3-10^-5, and its pKa is 10.6. At what pH are the "proton on" and "proton off" forms present in equal concentrations? At what pH values would the "proton on" form have ...

**Math**

Tiffany is constructing a fence around a rectangular tennis court. She must use 300 feet of fencing. The fence must enclose all four sides of the court. Regulation states that the length of the fence enclosure must be at least 80 feet and the width must be at least 40 feet. ...

**Math**

The area itself consist of length x width. The formula for a rectangular prism is length x width x height . So , the question already give you all the hints and you just have to multiply all of them ; 25 x 10 = 250

**Chemistry**

Electron configuration for phosphorus is 1s2 2s2 2p6 3s2 3p3. So the number of electron must be 15 , right ? But , what if m = 1 ? Does it effect the number of electron ?

**math**

What number is the sum of 8 numbers whose average is 13

**Math**

Is $5.00 enough money to buy 1 pound of peanut

**Math**

Finish the following to make a perfect square. 1.) x^2+sqrt3x+______ 2.) x^2+4x+_____

**Math**

A Voting Poll: Candidate A: 30% Candidate B: 50% Undecided: 20% The Table above summarizes the results of an election poll in which 4000 voters participated. In the actual election, all 4000 of these people voted and those people who chose a candidate in the poll voted for ...

**Math**

Ok, or I could find the slope correct? Thank you!

**lanugage**

that wasn't my intention. um sorry

**lanugage**

c?

**lanugage**

what is the prepositional phrase in the sentence? The family drove to the store. a. the family drove b. drove to the store c. the family d. to the store a?

**Social Studies**

Okay thank you

**Social Studies**

what is the problem with arabia and iraqs dependency on oil?

**ss**

why was the migration of the Aryans to India significant

**Social Studies**

Farmers in the northern Indo-Gangetic plain of south Asia rely mostly on: A. Water carried by rivers that drain from the Himalayas B. Cool air that brings drenching rain C. Monsoons that bring needed moisture D. Desert wind that balances the cold moist air from the Himalayas A?

**Math**

How would you factor (x+y)^2-(x-y)^2

**analytical chemistry**

In generating the synchronous spectrum, it is not necessary to specify the wavelength range, why?

**Science**

How do two tissue types work together to improve organ function

**Social Studies**

What are the causes of the water pollution that threaten South Asia today? overpopulation, growing cities, damming of rivers, and the need for more irrigation burning down of forests, building of new factories, and more cars the use of major rivers in religious festivals ...

**Math**

How do you find the quadratic equation, in standard form, that has the roots x= (2±√5)/3

**Math**

Apply the following transformations to this parabola. Y=2(x+3)^2-1 A) reflection in the x-axis, followed by a translation 5 units down. I got : y = -2(x+3)^2-6 But the answer is y= -2(x+3)^2-4 Why is it -4 And also. How odd you do reflections in the y axis without drawing the ...

**Math**

Determine one of the zeros of the quadratic realtion: y=(x-(k/2))^2-[(k-2)^2/4] I tried to do this by expanding and got to y=x^2-mx-k+1 How are you suppose to do this

**Math**

A tangent is a line that touches a circle at exactly one point. For what values of k will the line y= x+k be tangent to the circle x^2+ y^2 = 25? I know I'm suppose to use the properties of a discrimminate. But how

**Math**

in the relation y=4x^2+24x-5, for which values of y will the corresponding equation have no solutions The answer is y<-41. But I got that y>656 by using d=b^2-4ac

**Math**

The equation x^2 + k = 6 x has two distinct real roots. Find the range of values of k. I know that you do 36 -4k > 0 -4k > -36 k < 9 But I don't get why you switch the signs. So. When do u switch signs

**Socials**

With your descriptions, yes the Canadian government was very similar to American governments.But how do they negotiate?

**Socials**

I am writing an essay for socials and the topic is: To what extent was the treatment of First Nations by the Canadian government justified? So far, I plan to explain both sides but lean more to the unjustified side(2 body paragraphs on that). My points are: the treaties and ...

**education**

Just want to know what these questions are asking for. thanks What view do you have of the children's skills and competencies? In what ways do you need to transform your view of children to see them in a more positive light? what skills do you want to strengthen in ...

**Language Arts**

1. b 2. a 3. d 4. c

**socialstudies**

How about you read your books?

**social studies**

B. ;-)

**science PLZ HELP**

Just took the practice, these are the answers. In this order 1 - 14. 1. A 2. B 3. A 4. B 5. C 6. C 7. A 8. B 9. C 10. A 11. B 12. A 13. B 14. A [true]

**math**

In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?

**CHECK ANSWERS PLEASE!!!**

I don't get why number 4 is D. I thought it would be B. Caan someone please explain?

**I need help with this ALGEBRA**

Yes you were! Good job! Glad I could help. :)

**I need help with this ALGEBRA**

v=20√(273+t) 329 = 20*sqrt(273+t) 16.45 = sqrt(273+t) 273+t = 16.45^2 t- 16.45^2-273 t = -2.4 degrees celsius Hope that helps? :)

**Science**

Glad I could help! :)

**Science**

I don't think C is right. D. is the correct answer.

**Algebra**

1. Solve log(4/x) (x^2 - 6) = 2. (note: the (4/x) is underscored) 2. Show that loga [(x + {sqrtx^2-5}) / 5] = -loga (x - (sqrtx^2-5))

**Algebra**

1. Solve: log (y-1) = -log(y-9) 2. Find the inverse of the logarithmic function f defined by f(y)= 2log5 (2y-8)+3.

**Math**

1. Solve: log (y-1) = -log(y-9) 2. Find the inverse of the logarithmic function f defined by f(y)= 2log5 (2y-8)+3.

**Math**

Thank you very much. Very clear explanation.:)

**Math**

1. Solve for y in the equation 15 * 3^(y+1) - 243 * 5^(y-2) = 0. 2. Solve: log y-1 = -log(y-9)

**Math**

1. Find the inverse of the logarithmic function f defined by f(y) = 2 log5 (2y-8) + 3. 2. If x > y > 1, what is the largest possible value of logx (x/y) + logy (y/x)?

**Math**

1. The sequence log2 32, log2 y, log2 128, ... forms an arithmetic sequence. What is the value of y? 2. If log a^2 b^3 = x and log (a/b) = y, what are the values of log a and log b?

**Math**

1. Find all values of p so that 6p, 4p-1, p^2 - 1 will be an arithmetic sequence. 2. The common ration of a geometric sequence is -3. IF the terms of this sequence are 3y, y+6, z+1, ..... respectively, what is the value of z?

**Chemistry**

A chemist reacts 112 g of iron with 72 g of water. State which reactant is the limiting reagent. Calculate what is the maximum yield in grams of Fe3O4 that could be produced in this reaction. For the substance that is not the limiting reagent, calculate the amount in excess.

**Health**

1:According to MyPlate which two food groups should you consume in the largest amounts? A:Fruits And Grains B:Grains and Protein C:Protein and Veggies D:Veggies and Grains

**Geometry**

1. If triangles EIO = UAN, EI = 3x-4, IO = 2x+5, UA = 2x+3 and UN = 3x+1, solve for the value of x, find the perimeter of triangle UAN and identify the smallest angle in triangle EIO. 2. If triangle FAT is equal to triangle GRC, FA = 24cm and the ratio of GR, RC and GC is 2:1:...

**Algebra**

True or False and please explain so that I can understand. Thank you. 1. (1,0) is always a point on the graphy of y = logb (x). 2. If x=b^2y for b > 1, then y = 1/2 logb (x).

**Science 8th Grade**

Yes, that is correct.

**math**

There are 6,975 folders if 1,735 folders were handed out . How many will I have left? 6,975- 1,735=

**math**

11/21 or 9/17. which one is greater and what is the work/common denominaters

**Socials**

oh and how much does elizabeth get paid for her jobs? Like 1 pound a week? or..

**Socials**

Also, how much would ship tickets cost? How would this family "pay" for them?

**Socials**

Oh nice! Thank you so much Reed, I really appreciate your help. I am reading the links right now! I guess since land grants were discontinued in 1827 my character would immigrate before this date?

**Socials**

A few days ago I posted a question about an immigration diary during the great migration period(I will link it in a comment below) in which Ms Sue and Reed replied with some tips- thank you. I am starting to write some of the diary and I still have a few questions that I have ...

**5th grade math**

1???

**algebra**

A package of modeling clay was shaped like a cone with a radius of 25 cm and a height of 7.2 cm. Miriam used all the clay to make a cylinder with a radius of 15 cm. What was the height of the cylinder? Express the answer to one decimal place and use 3.14 to approximate pi. cm

**algebra**

A package of modeling clay was shaped like a cone with a radius of 25 cm and a height of 7.2 cm. Miriam used all the clay to make a cylinder with a radius of 15 cm. What was the height of the cylinder? Express the answer to one decimal place and use 3.14 to approximate pi. cm

**Socials**

Oh but my expectation vs reality question wasn't answered! Were they really shocked when they got there and why were they shocked? Any other factors other than eavily forested areas?

**Socials**

O wow! Thank you all so much, great suggestions!! And yes Reed I actually picked Liverpool too so yay!

**Socials**

Note: My questions are below mostly in brackets and at the very end! I have to do an immigration diary assignment and I am to portray a young 12 year old girl(any English name suggestions?) from a city in England(what is a realistic city during that time?) who is migrating to ...

**Math**

How do you find the component form AND the magnitude of the vector v with initial point (1, 11) and terminal point (9, 3)?

**Math Check**

Oh yeah, I'm sorry about that. It is suppose to be d^2; I made a typo error. So would you say that #1 and #2 are done right?

**Math Check**

Oh and this a worksheet. It's called "Pod Racing" and it's on Google if you need to see it up close. :)