Mathematics

Okay Homework help please...

Im not looking for someone to do my homework but Im confused. I need to find the domain and range of a problem like this f(x)=2x^2+3(^2 is squared) PLEASE HELP!!!!!!!!!!!!-The way that I find the d

X^2+y^2=20 , x^2+y^2=1

solve the points please!-No solution The first equation produces a circle of radius 2√5.The second equation produces a circle with a radius of 1.Both centered at (0,0). There is no overlap.

Algebra help pelase!!

2. Give an example of a point that is the same distance from (3, 0) as it is from (7, 0). Find lots of examples. Describe the configuration of all such points. In particular, how does this configurati

How do i do these problems? (math)

i have like 50 problems to do and had a question on some how do i factor this expression? (3x-2)^-4 (x+3)+(x+3)^2(3x-2)^-3 simplify these fractions: ((1/x)+1)/(1/x) and 3x/(3x+y) solve these equati

Mercury is approximately 57.9 million km from the Sun. Express that number in meters using scientific notation

That would be 57,900,000 km So in scientific notation that would be: 5.79x10^7km or 5.79x10^10m-1 kilometer = 1000 meters 57900000 kilometers = 5.79×10^10 meters Hope this helps!

Algerba Math Question

rectangle PQRS lies in the xy-coordinate plane so that its sides are NOT parallel to the axes. What is the product of the slopes of all four sides of rectangle PQRS?-1, the sides are perpendicular, so

How do you solve this: 3^(4x)=5^(x-1) without using a calculator...

Can someone please explain how you solve this.. it would be very helpful!-Lets try logarithms: you can use it with any base if logs. log(3^4x) = log(5^[x-1]) 4x*log3 = (x-1)log5 4x*log3 = x*log5 - l

Need help solving a college algebra equation

2x+1 + 16 = 3x ____3 ( the 2x+1 is over the 3) Can someone show me the steps to this? Im really rusty at these and my book doesnt give examples for this one. Thank you!!-[(2x + 1) / 3] + 16 = 3x (2x

Integrals problems please help

Hi Can any help me with these integrals needed help urgently. Please Thanks In advance Consider the following integrals a) ʃ tan 3x dx + ʃ 2 cos4x dx b) Find ʃ dx / (x^2 + 1) using the substitution

How do you find the length of the sides of a square when you only know of its diagonal measure

A Geometry review book Im reading wants me to find the area of a square that has a diagonal measure of 10 units. However, as you know I need to find the length and square that to find the area. How do

Need help solving another college algebra equation

(x+2)(x-3) = (x+3)^2 Can someone show me the steps to this? It doesnt show an example in my book. School just started and Im very rusty at these, math was never my strong point anyway :( Thank you!-(

Limits of integration (Multivariate)

Hi there. I am aware of how to do the calculation of the following problem, but for the integration, I am not sure how to find the limits. Suppose (X,Y) is a bivariate continuous random variable wit

Help with math homeworkk

Write the equation in slope intercept form that includes the point (2,-3) and an undefined slope-An undefined slope means the line is vertical and parallel to the y-axis.So a slope really is undefined

Help with math homeworkkkk

Write an equation for a line that includes the point (2,5) and is perpendicular to the line y=4/3x+1-The slope for a perpendicular line is the negated reciprocal of the original line. Then, chug plug

How do I answer this math question involving the difference in a average

Im kind of confused on how to solve it, do I subtract them both? heres the question: the pacific ocean has an average depth of 12,925 feet, while the atlantic ocean has an average depth of 11,730 inch