Mathematics

Limit of (5-2t^3)/(t^2+1) as t approaches negative infinity

the answer is positive infinity.

Which of these 4 numbers add up to 271.12

So I have a dilemma. I have to figure out which 4 numbers of these add up to 271.12? I have no idea if it is possible, Im 90% sure. Is there a website or a formula to use to figure this out? ------ 62

Limit of (x)/(x^2-4) as x approaches 2

There is no reason for extra brackets around the x. Furthermore. none of the answerers have given you a correct, definitive answer: Lim x → 2 x / (x² - 4) Lim x → 2 2 / 0 Lim x → 2⁺ x / (x² - 4) =

How do you integrate

15+0.025x+(-7.9x10^4)x^-2 dx It has been a few semesters since I had calculus and I cant exactly remember how to solve the whole thing. Do you take each x and add one to it and if so what do you do t

True or False Trigonometry Question

The function arctan (x) is defined for all real values of x. Why is the above statement true? Also, is there some way I could logically deduce the answer without using a calculator or basing my answe

PreCal Questions Help Please

Perform the indicated operation and reduce completely 3 / (x^2 - x - 20)+x / (x^2 - 8x + 15)-x / (x^2 + x - 12) I was trying to simplify using common denominator but it just got so complicated. Can

Need help on how to work these problems out to solve for the variables

1) v ̅= (x-x_0)/t Solve for t 2) x=1/2 at^2 Solve for t 3) x=x_0+v_0 t+1/2 at^2 Solve for t the _ are subscripts and ^ exponents-Edit: OK, Ill add explanation and more steps: 1)v = (x - x_0)/t => mul

The width is 9 less than the length

this verbal expression I need help with-If L represents length and W the width, then L - 9 = W Hope this is clear and helpful.-w = l - 9

Find the average rate of change.

Find the average rate of change of f(x)=6x^2+1between the points (2, 25) and (3, 55). Average rate of change =-(55-25)/(3-2) = 30-3-2/55-25 average rate of change is 0.033 my mistake, the person

Help with this: Find the missing numbers?? Multiplication problem.

Formula:_7 x6_171+3420Answer:3591 I have to figure out the missing numbers in this product formula.>. Im so STUCK!!-I dont understand the question.How do the _7 x 6_ relate to the 171 + 3420?? Is it

Help With College Algebra

How do you solve this? (x-2)^(5/2)=243 Can someone explain this to me?-243 = 3^5 so, (x-2)^(5/2)=243 [Raise each side to the power of 2/5] iff [(x - 2)^(5/2)]^(2/5) = (3^5)^(2/5) [Power of power: (

How to solve this using excel

11327.5*(1+r)^16+ 11327.5*(1+r)^15+ 11327.5*(1+r)^14+ 11327.5*(1+r)^13+ 11327.5*(1+r)^12=63163 Solve for r. I tried so many times but I cant solve this using goal seek. Thanks in advance-My Excel sh

Ali made a model for 624 using 6 hundreds, 2 tens, and 4 ones. What if Ali had not had any tens? How could she

Have modeled 624 without using tens?-It would be 604-24 ones.-Isnt Ali a guys name?

Math probability problem

If each person randomly gets a number between 1 and 10 then how many many people do you need together for there to be more than a 50 percent chance for two of them to have the same number. Show how y

Please help with this function problem: 5 stars to best answer!

The function P(x) = 0.85x - 64 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find the profit the vendor makes from selling 800 p