Mathematics

How do I solve (7x + 2)^2 – 5x[–3(x + 2)]

I need the answer as well. Thanks.-Start with (7x +2)*(7x+2). Multiply the 7X by (7X+2) to get 49X^2+14X Then multiply 2 by (7X+2) to get 14X+4 Put those expressions together to get 49X^2+14X+14X+4 wh

I need some help setting up this proof

Suppose R is a relation from A to B and S and T are relations from B to C. Prove that (SoR)\(ToR) is a subset of (S\T) o R-Suppose (a,c) is an element of (S o R) \ (T o R). Then in particular, (a,c)

Having a blonde moment with simple math. How do you figure this out

Okay, so I dont want the answer really - just how to rearrange this formula. The answer is in the back of the textbook but I still cant figure it out & I have an exam on Friday. A car that is 5 year

Find the limit of the derivative and tangent line

lim (3(3+h)^5 - 729)/h (h -> 0) State the function and the number: f(x) = alpha = Let f(x) =3 x^2 - 2 x + 8 The slope of the tangent line to the graph of f(x) at the point (5,73) is. The equatio

In an equation of a line, does the y-intercept have to be a fraction if it's not a whole number

I calculated the equation of a line, and got y = -11/6x + 1.5 Should the 1.5 (y-intercept) be 3/2 instead?-It dont matter but you should try to stick to one rather than using both.Either make the slop

Solving an equation with 2 variables

185 - x = - 0,26y y= ( 200 - x) / 1.29 please show method thank you-185-x=-.0.26(( 200 - x) / 1.29) 238.65-1.29x=-52+.26x 290.65=1.55x 187.52=x y=9.67-Simply solve the first equation simply for x.

How do you subtract fractions from a whole number

Im trying to figure out this question and not just the answer. Of the 36 students in a class, 2/3 of them were females. How many were males?-The answer is 12... the way I figured it out was divide th

Calculate dy/dx. y= 2(x+7)(x^2-49)

Calculate dy/dx-y = 2(x + 7)(x^2 - 49) y = (2x + 14)(x^2 - 49) y = 2x^3 + 14x^2 - 98x - 686 dy/dx = 6x^2 + 28x - 98-multiple out :toget2x^3-98x+14x^2-689 and differetiait:to get6x^2-98+28x-y = ( 2x +

I have a D+ in math and I am in Algebra II/Trig Acc and it is hard, what can I do to get my grade up to C+

Hi I am in algebra 2/trig acc and it was harder that I thought it would be. I want to know how I could get a C+ in the class with less than a week and half to go with school? with the final about 400

What is another way to write this

What is another way to write the square root of a over b?-√(a/b) → √(x)/√(y) → (x/y)¹˹² *note that due to a lack of special characters, I used ˹ to represent division of exponents-square root of a ov

The sum of 100 first members of a geometric progression is S(100)=1, S(200)=5. Find S(250)

The sum of first 100 members of a geometric progression is S(100)=1, The sum of first 200members of geometric progression isS(200)=5. Find the sum of first 250 members S(250).-Sum of members 101 to 2

Derivatives??? how to do a step

I havent taken a math class in a while and I was wondering how the got from paticular step in the book to another. distance traveled/elapsed time =[ s(2+h)-s(2)]/[(2+h)-2] = [16(2+h)^2-16(2)^2]/ h =

Calculus ln problem help

(130)[(0.07)^n] = (100)[(0.08637)^n]. How to find the n value by putting ln?-A simple starting step which is not essential is to divide both sides by 100:1.3[(0.07)^n] = (0.08637)^n Now take natural l

Determine the equations of asymptotes of the function y=tan(bx), where b＞0

PLEASE SHOW ME HOW TO GET THE ANSWER, I HAVE TO UNDERSTAND THE FULL WORK!! THX!-Note that, since tan(bx) = sin(bx)/cos(bx), we see that vertical asymptotes will occur when division by zero occurs. We

What is ‎1+1+1+1+1+1+1+1+1+1-1+1+1+1+1+1x0

14. this is a question from that facebook thing!-Order of Operation Parenthesis Exponents Multiply Divide Add Subtract PEMDAS!!! So.... 1x0=0 1+1+1+1+1+1+1+1+1+1-1+1+1+1+0=.......1…-You have to multip