Thursday

April 24, 2014

April 24, 2014

Total # Posts: 44

**Quadratic to vertex form**

How do i convert quadratic functions from standard to vertex form? y=2x^2+12x+14 y=x^2+x+1

**math**

Evaluate the following expressions for x=-3 13)–2x^2 = 14)(-2x)^2 = 10)Use the discriminant to determine the number of solutions of 3x^2-4x+6=0 8)Solve sqrt[3b] = -3

**math**

Evaluate the following expressions for x=-3 13)–2x^2 = 14)(-2x)^2 = 10)Use the discriminant to determine the number of solutions of 3x^2-4x+6=0 8)Solve sqrt[3b] = -3

**world history**

What's a partitian?

**world history**

What do you think Great Britain could, or should have done to make the partition of India more efficient and less violent?

**Alegra**

Thank you I appreciate your help and the fact that you didn't make a big issue out of a typo. Again thank you.

**Alegra**

Ah yeah which is why I post the question.

**Alegra**

solve the inequality express in interval notation x^4 + 4x^3 - 9x^2 - 36x < 0

**algebra**

Not coming out right!!!!!!

**algebra**

Verify that the functions f and g are inverses of each other by showing f(g(x)) = x and g(f(x)) = x f(x) = x^3 + 5 g(x) = 3sqrtx-5 ( 3 is inside check mark on the sqrt. I am sooo totally lost on these!

**algebra**

but how did you get it? and I'm suppose to state domain too?

**algebra**

for the given functions f and g find f*g. f(x) = sqrt x -3 g(x) = x^2 -7x + 9 Help Please!

**algebra**

Use the given information about a polynomial whose coefficients are real numbers to find the remaining zeros. degree: 6 Zeros: -8 + 11x(can't put this sign in looks like ii with slash over)i, -7 + 17i, 16 - isqrt 2

**math**

Moulding comes in four different lengths. Jesse needs to cut four pieces of moulding, each 3 and 7 tenths feet long, from one board. Which length should he buy? 8 feet, 10 feet, 12 feet, or 14 feet?

**math**

34/17=2 ??? Im not really sure if this is the type of thing that you are looking for.

**Physics**

A very large, thin, flat plate of aluminum of area A has a total charge Q uniformly distributed over its surfaces. Assuming the same charge is spread uniformly over the upper surface of an otherwise identical glass plate, compare the electric fields just above the center of th...

**Physics**

A square plate of copper with 53.0 cm sides has no net charge and is placed in a region of uniform electric field of 77.0 kN/C directed perpendicularly to the plate. Find the charge density of each face of the plate.

**Physics**

On a clear, sunny day, a vertical electrical field of about 118 N/C points down over flat ground. What is the surface charge density on the ground for these conditions?

**Algebra**

An appliance store manager is ordering chest and upright freezers. One chest freezer costs $250 and delivers a $40 profit. One upright freezer costs $400 and delivers a $60 profit. Based on previous sales, the manager expects to sell at least 100 freezers. Total prfit must be ...

**Algebra**

AH! i cant figure it out! whats the next step?

**Algebra**

Hmmmmmm i think i can? so does D= number of decorative beads. and P= number of plain beads?

**Algebra**

You are buying beads and string to make a necklace. The string costs $1.50, a package of 10 decorative beads costs $.50, and a package of 25 plain beads costs $.75. You can spend only $7.00 and you need 150 beads. How many packages of each type of bead should you buy?

**Algebra 2**

is it 36????

**Algebra 2**

The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 more than the original number. Find the original number. I hate silly word problems like this, please help me out.

**Math (hard)**

After solving the equation i get 3.9=x ??? isnt there a way you can solve it by letting x= number of postcard stamps and then y= number of letter stamps?

**statistics**

has a negative linear correlation

**math**

how do u find the volume?

**college calculus**

1) each side of a square is increasing at a rate of 6cm/s. At what rate is the area of the square is 16 cm^2? 2)the radius of a sphere is increasing at a rate of 4mm/s.How fast is the volume increasing when the diameter is 80mm? 3)A particle moves along the curve y= (1+x^3)^1/...

**college chemistry**

EPA acidity test can be performed by titrating water sample to a pH of 8.2. What titrant in what concentration would you suggest for EPA acidity determination?

**college chemistry**

a student did an alkalinity determination correctly,except that the sample titrated had a volume of 90.0 mL. Volume A was found to be 4.50 mL and Volume B was 7.00 mL. 1)Calculate the Alkalinity value from these data and then calculate the correct value.2)what percent error wo...

**chem**

if you were invoolved in an acid rain monitoring project with several other samplers,why would it be important that all of your samples on the same day and do the alkalinity tests within 24hrs

**bio**

The change in GIBBS free energy= (total energy change)-(volume change energy) -(entropy change)(temperature)=change in "useful" energy. This is not hw but I need to know what the volume change energy is? thanks

**Algebra**

I am trying to write this rational expression in its simplest form: 2-x+2x^2-x^3/x^2-4 However I have no idea how to factor the four numbers on the top. I"m used to factoring just three numbers. Can you show me how to do this? Thanks!!!

**Algebra**

I am trying to find the domain for x(x+2)(x+2)/(x-2)(x+2). I canceled the (x+2)'s. The only problem is that my book says the domain cannot equal -2. But I say it cannot equal 2 either (along with -2). (-2-2)(-2+2) is equal to (2-2)(2+2), right? Or what did I do wrong? Thanks!

**Hunches**

Let's say you're making a meal, and you need to occupy the front and back burner at once because you have too many dishes to cook to do one at a time. It is most convenient for the item that needs to be done first, to be put in the front burner. The item that takes lon...

**algebra**

When you add two numbers with exponets, say 2x^3+5x^6, do you multiply the exponents or add them? thank you-Alissa.

**Ms. Sue why are u skipping me??**

sorry.

**Ms. Sue why are u skipping me??**

the reason i asked was because i couldnt find any

**Ms. Sue why are u skipping me??**

Can someone explain the post revolutionary politics for ushistory- what happened republicanism? feminism? forming new governments? or send me several links? but id prefer a summary thanks!

**history**

Can someone explain the post revolutionary politics for ushistory- what happened republicanism? feminism? forming new governments? or send me several links? but id prefer a summary thanks!

**S.S 8 grade**

he already theought the colonists had the good life because they were less taxed than the citizens of britain. He ignored them also because he did not believe that it was possible to have representation and he thought taht america had no chance in defeating the british army

**physics**

work & energy homework problems: please help me =] my teacher is bad a teaching how to do stuff =/ 1)A 5.000kg plastic ball moves with a velocity of 10.00 m/s x. It collides with a second plastic ball of mass of 10.00kg at rest. The collision is completely elastic. find: a)the...

**BIOLOGY**

What is an organelle made up of? Lipids, carbohydrates or something else? My guess would be protines

**math**

isolating the variable

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