Mathematics

Running/Math question

If my destination is a twenty minute walk. And I can run up to 10 mph. How fast can I reach my destination? And I dont have any obstacles to go over. Running somewhere in a city.-If you run 10mph cons

Trig identities: Simplify

Could you simplify this trig ID [(tan²x)(csc²x)-1]/[(cscx)(tan²x)(sinx…‡ THANKS. I forgot completely how to do this. Showing work would be appreciated!-Use tan²x = sin²x / cos²x and csc²x = 1/sin²x.

Which of the following equations has NO real number solutions

a. 3x^2 - 5x + 1 = 0 b. 3x^2 - 5x + 4 = 0 c. -3x^2 - 11x + 4 = 0 d. -2x^2 - 3x + 1 = 0 Please help, Im completely stuck again! :P Itll be great if you could add an explanation along with the answer :

Analyze the following rational function for...? Best answer for correct answer

(x^4+7x^3-7x^2-43x+42)/(x^2+3x-4) Zeroes Y INT MAxima and Minima Increasing and Decreasing Intervals End behavior (written in limit notation) Continuity Heavior at any discontinuity (written in limit

Some algebra 1 questions 10pts!

A)Solve: -12 Answer will be in {x_ B)Determine wether (-8,-3) is a soution of 3x-8y=-2 C)Solve using the multiplacation principle:-1/2x=-3/4 D)find the domain of the function: g(x)=7/10-9x Thank y

PPL GREAT AT MATH calculus!!! help!!

Please help me solve for the inverse of y=ln((cubed root of 5-x^3) +1)-y=ln((cubed root of 5-x^3) +1) e^y = (5-x^3)^(1/3) + 1 e^y - 1 = (5 - x^3)^(1/3) (e^y - 1)^3 = 5 - x^3 x^3 = 5 - (e^y - 1)^3 x =

Simplifying expressions

How do you simplify these two expressions? (3 and 4) thanks!!~! http://img842.imageshack.us/img842/1866/imag0144tp.jpg-3. Complex fraction First we simply the numerator. 1 / (3 + x) - 1 / 3 = 3 / 3(3

Difficulty of Calculus (I-III) vs Linear Algebra

Ive had Calculus III in the past, but I ended up making a D in the class due to a lower grade earlier in the semester, so I have to retake it again. This semester Im set to retake Calculus III and Lin

100grams of a certain element has decayed to 50 grams in 5 years.Find to the nearest integer the rate of decay

100 grams of a certain element has decayed to 50 grams in 5 years. Find, to the nearest integer, the rate of decay. Please show me how to solve this Best answer gets ten points!!!!-fraction remaining

True or False - absolute value inequality

True or False: The absolute value inequality |x-a| Help?-No! Let b = 0.Then |x - a| -lets seex-a can be positivethat would be true if x-a is less than b and x is not greater than a+b but not guarante

Is This Answer Correct...Please Check For Me

The President’s Council on Fitness asked adults who exercise if they walk, run or stretch. Of those adults surveyed, how many ran and walked? Here is the Venn diagram of the results: http://www.flick

Can someone answer this maths multiple choice question and explain it to me please

A bicycle wheel has a radius of 26 cm. If the bicycle has traveled 100 m, the wheel has turned approximately: a) 122 times b) 94 times c) 61 times d) 163 times e) 47 times-given radius r=26cm so circ

How to solve this system

12x+3y=16 -36x+12=9y Please help me out.-multiply 1st equation by 3 and get 36x + 9y = 48 now add the two equations together 36x + 9y = 48 -36x +12 = 9y 9y+12 = 48 + 9y 0 = 36no solution-turn eithe

What describe a rectangular array? HELP

Which describes a rectangular array of numbers or variable arranged in brackets? a.Matrix b.Variable c.System of equation-a. matrix-a: Matrix

Related rates question

Find the rate of change of the distance between the origin and a moving point on the graph of y=sinx if dx/dt=2 centimeters per second.-Coordinates of moving point are (x, sin(x)) We find distance (D