Mathematics

Please help show all work include step by step work please

Evaluate each polynomial for x = −2. x^2 − 3x + 6-16. All you need to do is plug in -2 wherever there is a x in the equation. so (-2)^2 - 3(-2) + 6 4 - -6 + 6 4 + 6 + 6 = 16

I need help with my homework

Dave and Peter went shopping. Dave bought 3 shirts and 2 pants and paid a total of $100.84. peter bought 4 shirt and 5 pants and paid total of $187. All pairs of pants cost the sam and all shirts cost

10 points best answer algebra please help

Twice the difference of a number and 17 is 30. Find the answer Ann is 10 years older than ana. Five years ago, the sum of their ages was 150. How old is ana now?-Before I start can I just say that: /

Simplyfy ...............................

Please help me with these: 1.X + 5 / 4X + 20 2. (-5X)^ -1 (10X^2) 3. (-3X^-2)^0 (2X)^0 / 8 THANK YOU -1. (X + 5)/(4X + 20)=(x+5)/4(x+5)=1/4 2. (-5X)^ -1 (10X^2)=10x²/-5x=-2x 3. (-3X^-2)^0 (2X)

How do you write 1978 in roman numerals

M=1000 C=100 L=50 X=10 V=5 I=1 M. . . . . .CM. . . . . . . LXX. . . . . . . VIII 1000. . .1000-100 . . 50+10+10. . 5+1+1+1 1000. . . 900 . . . . . . 70. . . . . . . . .8 1978 1978= MCMLXXVIII-MCM

Find the derivative of this

y=(3x^2 + x)/(squareroot of (x+6))-use the rule for quotients (denominator * derivative of numerator - numerator * denominator)/denominator^2 Btw squareroot of (x+6) is the same thing as (x+6)^(1/2),

Polynomial Factoring: (product-sum method) question...

If a polynomial is not factorable using the product-sum method, does this mean that the polynomial is not factorable via use of the trial-and-error method? I believe this is the case, but I just want

I need help with an algebra problem? I'm so stuck!

Ive run through this problem and tried to do it myself but didnt get reasonable results...please explain in an easy manner! Thank you! Mary Jo has $3.90 worth of nickels, dimes, and quarters. The num

Math Magicians Only Please!

I need answers, just started at a new school ?d theyre making mme do work. Heres the probems. 1.)1/3(7n-33) = 8 - 4n. 2.) -7 + 11g = 9 - 5g. 3.) x + 2 = 3x -1. 4. 6 -5a) = 5a - 3. 5.)-1 + 2 x + 2

The sum of a number p and 0.4 which is then decreased by the fifth power of the same number

Please explain and write it as an algebriac expression . It is DUE TOMMOROW!!!!!!! thxs!!!!:/-IMHO, I believe the expression will be: p + 0.4 – (p + 0.4)⁵ Reason? A sum ( ie p + 0.4 ) is decreased

Find the sum of (sigma n=1 to infinity) n(n+1)(x^n) for -1<x<1

Let f(x) = sum( n=1 to inf, n(n+1) x^(n-1) ). Integrate twice, integral(f(x)) = sum( n=1 to inf, (n+1) x^n ) integral( integral(f(x)) ) = sum( n=1 to inf, x^(n+1) ) = x/(1-x). Differentiate twi

Can someone help me on this problem

Its solving equations with variables on both sides im 7th grade by the way, i got it for HW today but lately i havnt been able to understand any of my Homework. 4t + 14 = 4a 6t/5 + 7 ? plzz help reall

Can someone help me with trigonometric identities

I understand the Reciprocal and Quotient Properties for trigonometric functions but I do not fully understand the Pythagorean Property. I am fine with the cos^2x+sin^2x=1 but I am confused with the ot

Can you answer this problem for 10 points

i cant figure this last problem out, i would really appreciate the help, A certain airline requires that the total outside dimensions (length + width + height) of a carry-on bag not exceed 37 inches.

Find f(x) in fog if g(x)=1/2e^x^2 and fog(x)= e^-2x^2 + 1/2e^x^2 + 1

please help! im so confused!-.. fog(x) = f ( g(x) ) = f ( (1/2)e^(x^2)) Let u = (1/2)e^(x^2) ... x^2 = ln(2u) f(u) = e^(-2*ln(u) ) + (1/2) e^( ln(2u) ) + 1 .... = 1/u^2 + u + 1-It would be e^-2x^2 +