Mathematics

Profit and Loss Answer it!

A shopkeeper increases the price of an article by X% and then decreases it by X%. As a result the price of the article is reduced by $180 . After one more such change the price is further reduced by $

Triangle abc is congruent to triangle def. also side ab = ef. what type of triangle is abc? explain

triangle abc is congruent to triangle def. also side ab = ef. what type of triangle is abc? explain please help!-Isosceles..hmm explain...abc is congruent to def means that ab=de, bc=ef, and ac=df...

Finding the average rate of change of a function HELP: 5 stars to best answer

Find the average rate of change of the function from x^1 to x^2. f(x) = -3x^2 - xfrom x^1 = 5 to x^2 = 6 CHOICES: 1/2 -1/6 -2 -34 FIVE STARS TO FIRST BEST ANSWER-Average rate of change of -3x

X^2+11x+30>0 please solve

Solve the following inequality. Write the answer in interval notation-(x + 5)(x + 6) so the zeroes are –5 and –6. Since the parabola opens upward, it is negative between the two zeroes, so the quadrat

Can someone help me answer this solve by elimination method

4x+5y=1 8x+10y-2 i did this -2(4x+5y=1)1(8x+10y=2) ------------------------ and everything canceled out is this right and if it is is it infinitely many solutions-You did right.Since everything canc

Some more integrals please help

2) Consider the following integrals a) Find ʃ x^2 lnx dx b) ʃ e^x sin x dx Please show me the working out so i know what has been done Thank you so much :-)-Integration by parts is much easier to d

Help with math himeworkkkkk

Write an equation for a line that includes the point (-7,6) and is parallel to the line 4x+2y=9-First you have to find the slope of the equation: 4x + 2y = 9 2y = -4x + 9 y = -2x + 9/2 The slope is -2

How do you foil on a TI-89 calculator

I would like to know how I would foil something like: (X-2)^2 (x+17) I know how to do it by hand but would like to speed things up a bit.-It sounds like your looking for the expansion hit f2 and it i

Transformation of functions worksheet help: 5 stars to best answer!

Function: 1. f(x)=√x 2. f(x)=x^2 3. _______ 4. f(x)=x^3 5. f(x)=1/x 6. f(x)=2^x 7. ______ Transformations: 1. Left 1. 2. ____________ 3. ____________ 4. Right 2, Down 3 5. _____________ 6. Up 2, refl

Polynomial problem, step by step = Best answer

Determine the values of m and n so that the polynomials 2x^3 + mx^2 +nx -3 AND x^3 - 3mx^2 + 2nx + 4 are both divisible by x -2-2mn-3| 21-3m2n4| 248+2m16+4m+2n24-6m8-12m+4n) 2(4+m)(8+2m+n) (16+4m+2n-

Construct a truth table for (p ^ ~q) ↔ p .

Construct a truth table for (p ^ ~q) ↔ p .-p ... q ... ~q ... p ^ ~q ... (p ^ ~q) p T ... T ... F ........ F .................. F T ... F ... T ........ T .................. T F ... T ... F ........

Ug, i feel stupid. Solve this equation

(2x-1)/((x+2)(x^2 + 3)) = 0 Answer is X=-1/2 Please show how to get to the answer and only post if you really know youre correct. It seems i can only get one person to answer on math questions, a

How to subtract these exponents

7^3-7^2 thanks guys-343 - 49 = 294 Edit: how will it work in an equation? (7^3-7^2) Well, you can solve the parenthesis either by substituting the values directly i.e. 343 - 49 = 294 or by factoring

3X^2-10X=-13X! Factoring!!

3x^2-10x=-13x 3x^2+3x=0 3x(x+1) Hope this helps!-I take it you are not using the symbol ! in the mathematical sense. 3X² - 10X = -13X 3X² + 3X = 0 ==> 3X(X + 1) = 0 ==> X = 0 or X = -1.-add the 1

(please help) to State which metric unit you would probably use to measure each item.

Amount of water in a pitcher thickness of a coin length of a textbook length of a football field thickness of a pencil vanilla used in a cookie recipe bag of sugar distance between two cities amount o