09/25/16

Limits at infinity with e

lim--> -infty (4+6e^2t)/(5-9e^3t)   I really dont understand it

09/25/16

Limits at infinity with a radical

lim x--> -infty ( 4x-3)/(25x^2+4x)   Im not sure if this is a legititamte way of solving but heres how I attempted:  I took the highest power at the bottom and top and just left it like that... more

09/24/16

Very confused

Some states have a single area code for the entire state. To such states have area codes where one is double the other. If the sum of these integers is 1407 find the two area codes.

09/24/16

One number is five more than four times another. If their sum is decreased by four, the result is thirty-one. Find the numbers.

One number is five more than four times another. If their sum is decreased by four, the result is thirty-one. Find the numbers. i am having a hard time breaking the question down. i have 6 and 11... more

09/24/16

The model M=-0.711A+206.6 is used to determine the maximum heart rate M of an individual who is age A.

The model  M= -0.711A+206.6 is used to determine the maximum heart rate M of an individual who is age A.a. Solve for A.b. According to this? model, what is the age of an individual whose maximum... more

09/24/16

rate distance and time

A motorboat takes 4 hours to travel 128km going upstream. The return trip takes 2 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?

Two times the difference between a number and two is less than or equal to four times the sum of the number and four.

Find the smallest number that will satisfy the inequality.

09/24/16

Solving algebra problems

(-6x^4y^3z) / (-2x^3y^2)

Write an equation with variables on both sides that have a solution of -3

I need just an equation

What is a Best Buy 100 aspirins for $2.75 or 200 aspirins for $4.79?

What is a Best Buy 100 aspirins for $2.75 or 200 aspirins for $4.79?

09/24/16

How many atoms are contained in a body centered cubic cell?

How many atoms are contained in a body centered cubic cell?

09/24/16

A solid crystallizes in a simple (primitive) cubic cell. The cell is made up of atoms with a radius of 127 pm. What is the edge length of the cell in picometer

A solid crystallizes in a simple (primitive) cubic cell. The cell is made up of atoms with a radius of 127 pm. What is the edge length of the cell in picometers?

09/24/16

if A inverse matrix is given then is it able to find determinant of A.PLZ TELL ME THE METHOD

if A inverse matrix is given then is it able to find determinant of A(find determinant of A matrix NOT the determinant of A inverse matrix)plz tell me its urgent

09/24/16

Variation problem

A plane traveling 140 mph with wing area of 195 square feet has a lift of 12,500 pounds. What is the lift if the plane is traveling at 168 mph?

what is the percent change from 1.8 to 2.4?

i need to know the increase and the decrease.

09/23/16

If today is 11/27/20 what is tomorrows date?

If todays date is 11/27/20 what is tomorrows date

09/23/16

factorization A = LU

Suppose you have a LU factorization A = LU for a given matrix A . How could this be used to efficiently solve a system of the form A*x = b ?

09/22/16

I have 5 balls. I need 14 more balls to play. How many more balls do I need?

Simple question my child was asked. Wonder if anyone else understood it. 

09/22/16

A 70.0 kg student runs up a stairway to a heigh of 10.0m above the ground in 10.0 s

if the work done in the process is 6860j what is the power generated by the student in kW 

09/22/16

2logb(x)+3logb(y) condense as much as possible

Condense as much as possible

09/22/16

4 ln(x+6)-3ln x condense

Use properties to condense

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