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Posts by wendy

Total # Posts: 420

can someone explain to me the steps to solve this problem? find the derivative: (3x^2+7)(x^2-2x+3)

does anyone know the shortcut to finding the derivative of a function for example: x^3-3x^2

Thank you!

I have not done Alegbra in 30 years so I am quite rusty with it. It just did not occur to me to change the 24 to 28 and so on. Does that mean that X equals (a-2), which would be 4, and that a would be 6?

I do not understand this math problem at all. It is actually my son's, who is in 7th grade, and the teacher did not explain anything either. If someone could just explain how to figure this out, that would be great.

At age 2, a cat or dog is considered 24 "human" years old. Each year after age 2 is equivalent to 4 "human" years. Fill in the expression [24 + X (a-2)] so that it represents the age of a cat or dog in human years. Copy the chart and use your expression to ...

find the first derivative of f(t)= (1-t)^(1/2)

I do not understand how to Give the five-number summary of each set of numbers. Can someone please help me? 7, 7, 5, 4, 1, 9, 8, 8, 8, 5, 2 start by putting the numbers in order. 1,2,4,5,5,7,7,8,8,8,9 The minimum and maximum are...

unscramble letters for phrases
I / _ _ _ _ _ / _ _ _ _ / _ _ / _ _ _ _ / a / _ _ _ _ _ / I / _ _ _ / but/ _ _ _ _/ _ _ _ _ _ _ _ e_ _ / the / _ _ _ e_. One sentence. this is what they have given me already and said I can use only these letters but can use more than one time. letters: W, O, U, D, I, E, T, R...

this is my work, would you please check my work, thank you! part A a liter of a solution saturated at 225 degree C with calcium oxalate, CaC2O4, is evaporated to dryness, giving a 0.0061 gm residue of CaC2O4. calculate the concentrations of the ions, and the molar solubility ...

After your explanation I try to solve it, so would you please check my work again. Thank you! a)

I have no idea how to solve this problem, please help me out.... thanks a) A liter of a solution saturated at 25degree with calcium oxalate, CaC2O4, is evaporated to dryness, giving a 0.0061gm residue of CaC2O4. calculate the concentrations of the ions, and molar solubility ...

We are also doing a discussion on how to resolve a conflict between two workers or between a worker and a supervisor. I don't know if I am just tired or what but solutions just arent coming to mind.. help? Must have a scenario with the problem and the solution... thanks so...

I need to do an essay on two formally organized groups and their association with each other. I have done one already on Teachers and the Teachers Union and I cant do the same subject twice. So no more unions. I also submitted an article on the Boy Scouts and the Boy Scouts of...

An AT&T bond has 10 years until maturity, a coupon rate of 8 percent, and sells for $1,100. a. What is the current yield on the bond? b. What is the yield to maturity?

Algebra II
Factor the Polynomial in quadratic form. 6y(to the sixth power) - 5y(to the third power) - 4 6y^6 - 5y^3 -4 = (2y^3 + 1)(3y^3- 4) I do not believe the cubic terms are separable into quadratic factors.

I am having trouble with the following problem: P(Z > +1.34) Would someone help me? If you've already normalized the number you're interested in, then look up in your tables (the normal distribution tables) to find 1.34 standard deviations and look for the ...

If you fold a normal piece of paper in half and then fold that in half and then fold that in half etc and repeat the folding 50 times, How thick is your final result? You can assume that the original piece of paper is 1/1000 of an inch thick. Let t denote the thickness. If we ...

critical thinking
How can readers distinguish between prejudicial and non- prejudicial use of rhetorical devices?

7th Grade English-Word Puzzles/Pictures
I need help with word pictures/puzzles.(1) head (no capitals or other words next to it, above or below it)...(2) yrooucrhkeasd (again, no words above, below or next to it) Thank you! I'm sorry, but I don't understand. Can you give us more details about these pictures/...

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