Algebra, help + check please

105,703 results, page 31

chem

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...

chem

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are formed, what is the...

Help!!

What was the main concern for Anti-Federalists in passing the US Constitution as written after the Connecticut compromise? please someone tell me good site and please tell me how can I answer it, Check this site. http://en.wikipedia.org/wiki/Anti-Federalism

math

Which of these numbers is irrational? check mark sign 3 0.25 1/5 check mark sign 9 I think it is the first one

7th grade math Ms. Sue please!

Hi! Can you check my answers please? Thanks! And, can you help me with 3 please? I have tried and tried but I cannot solve it can you explain how? Thanks! 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3...

Math: Homework Questons (answer quick)

Can you check if the answer is correct and of there any grammar mistakes. Write True or False and EXPLAIN your reasoning for the answer!!!! 8. (5 - 2) - 1 = 5 - (2 - 1) Answer: True Reason: The reason why my answer to this question is true is because when we change the ...

language please check my work

-revise the sentence for a clear meaning here is the sentence Surgeons moved around the operating room, skillfully using tools wearing slippers. -the revised sentence Surgeons,wearing slippers,moved around the operating room skillfully using their tools. please if there is a ...

algebra

I can't figure this out, can someone please help me? Add 6/(x-4)+ 6/(x+4)

algebra

What is the y-intercept of the graph of the function y=-2(x+2)^2+4? Please and thanks! When x is zero, y= -2(4) + 4 or -4 Thank you.

algebra

Can someone please help me with this problem? 4x-1 ---- 2x^2+3 Can you simplify this any further? no, its done thanks

Algebra 1

(x+19)(x-7)(x+17)>0=-19<x<-17 or x>7 Can someone please look at this equation and let me know if I did it correctly.

Algebra 1

SUBTRACT THE POLYNOMIALS. (-9a^2+9a+4)-(7a^2+4)=-16a^2+9a Help please and let me know if this correct.

algebra

did I do this right and if not can you please help me. Solve. 4(x + 7) = –8 4(x+7= -8 7*4+x *4= -8 (28+4x)= -8 28+4x= -8 28=-28+4x+ -8+-28 0+4x= -8+-28 4x= -8+ -28 4x= -36 4x÷ -36 x= -9 4x +28 = -8 4x = -36 x = -9 yep thank you why are you saying thank you??????

algebra

hahyalkeldoe can someone please explain this to me i am lost

pre-algebra

Please help me, help my son: a(a-c)=23, solve for the value of c Thanks

algebra

I cannot come up with the correct answer for this problem. Please help 3.5+19.8>49.5-6.4x=

Algebra

Simply: Please show me how to work the problems. (7/2)^-3

algebra

Can someone help me with this please? I am trying to find the solution for 5/4x + 1/8x = 5/8 + x x = ?

Algebra 1

^3ã2 * ^2ã3=^6ã6 Please let me know if I got this answer right to this one.

algebra

how do i solve this equation by using substitution? 2x+y=4 3x+2y=1 please help. thanks

Intermediate Algebra

Solve: 2x^-2 - 5x^-1 - 3 = 0 2a^2 -5a - 3 = 0 (2a^2 - ) + ( a - ) = 0 I am stuck here please help.

Algebra

What is the domain of f(t)=5.5e^t Please explain how you came up with your answer

8th Grade Algebra

How do you solve this problem? 3x = 4y x + y = 21 Help please.

Algebra (factoring)

Factor Completely: 1000p^3 - 1 help please

Algebra

Factor. 2y^4 + 6y^2 + 5y^2 + 15. I'm having trouble with this one. Please help if you can. Thank you! :-)

algebra

please help me in this fraction add and solve 3b^3t^3/ 8d^2k^2 + 5y^2/ 2bk^3

algebra

multiply and solve please i need help bad x^2-1/x-3 * 4x-12/x^2-x-2

Algebra

3x^2 + 10x - 5 = 0. I'm having trouble with this equation. Please help if you can. Thank you! :-)

Algebra

Please perform the indicated operations and simplify (3x-5)^2-(2x+1)(x-4)

Algebra

Please Find the difference quotient f(x+h)-fx/h for f(x)= 4x-9 and simplify

Algebra

Let f(x) = 6/x-1 and g(x) = 1+3/x. Please find the composite function of (fog)(x)

Algebra

Please help! I need to simplify this and am confused. (sqrt5 a^7/2)^4 a^3/a^8

Algebra

Please Solve the inequality: x + .06(12000-x) >= 650

Algebra

Please solve the inequality .04 x + .06(12000-x) >= 650

algebra

y = -4x +8....I need to find the slope (m) = please guide

algebra

factorise this expression x2+2x+1 can you please explain to me how to do this one

Algebra 1A

solve: 7x13<-48 the solution is {x]x= can someone please help me? thank you

Algebra

Prove algebraically that y=x^2-4 is symmetric with the y-axis. Please help! Thanks

algebra

can someone please tell me how to solve these, thanks! 1.2(3b-4)=8b-11 2.5(r-1)=2(r-4)-6 3.2y+3=3(y+7) 4.15x-10=-9x+2

Algebra 2 URGENT PLEASE HELP

Solve. Square root of 3x+4=x

Algebra

solve for y? z=0.3(y-6)^2 please can you explain your working, Many thanks, Wendy.

Algebra

Please help me find the AOS for this... y= -5xsquared - 10x

algebra

Factor completely 4a2 - 8a - 5 please help i don't get this at all!!!

algebra

factor completely. please show work. a^2-a-6

algebra

solve the equation. please show work 3x^2-2x-4=0

algebra

solve the equation for x. 3x^2-2x-4=0. can you please show the steps?

algebra

Helpme solve this please i am really stuck x+3y=8 x=4-3y

algebra

41-(2x+4) <2(x+1)+x the < has a line under it i didt know how to do that on here so help me please

Algebra

Can you please help me with this problem 2x-y=6 I need to find the slope thank you

algebra

here is a tough one for me simplify -6[93-(-95-18)]= help please

algebra

Use the intercepts to graph the equation. x+2y=4 Please help!!!

algebra

(2x^2-8x-42)/6x^2=(x^2-9)/x^2-3x How do you solve this problem? Please list the steps.. Thank You

Algebra

Solve y=1/4x-1 if the domian is (-4, -2, 0, 2, 4) Please help me answer thank you for in advanced!

Algebra

can you please help me with a math problem? -3xy^2 + 3x2y -2y^3 = xy + 2

algebra

Could you please help me solve. 3x+10>=7 and 2x-14>=-8 >= means greater than equal then thank you

Algebra - 9th grade

please solve for either x or y: x/2 + y/4 = 7

algebra

what is 7-4 as subtracting inetgers please show me how you got it

algebra

what does 45 equals in a fraction? and can u please tell how u did it. thank u so much

Math-Algebra

Can someone please elucidate to me, how to do this enquiry. 2y=-6/5

algebra

ã18/ã8 -ã2 a)ã3 b)3 c)3ã2 d)9ã2/6 please omit the first question thanks

Algebra 1

Help me work these right please, I'm totally lost?

algebra

Graph he inequality on a plane 4y - 5x> 20 I am confused, can you please help?

Algebra

Dont even know where to start on this one! x +3 - 1/x=0 2a-b =8 3a+2b=5 Please help!!!

algebra

Please help me factor this by grouping. I am stuck. 7x^3-35x^2-6x+30

Algebra

use the laws of exponents to simplify 3 3/4 * 3 1/8 Please help!!

Algebra

Can someone please help me with this problem: Solve: -14<_3x-3<_-2

Algebra

Can someone help me find the y and x intercept, or tell me how to do it please. f(x)=x^2-5x+4

algebra

g(x)=10x find domain. please explain

College Algebra URGENT

f(x)=1/(x+4) g(x)1/(6x+4) what is f(composed)g(x) if x does not equal -4/6 please help me

algebra

7/3x + 1/3x = 4x + 48/3 + 8/3x This one is way complicated. Please help me!!! Thank you so much

Algebra 2

How would you solve 12/1+2e^x=6 ? the e^x confuses me. someone please help.

algebra 1

hi. i'm confused so please help. thanks. 9 - x/6 = 7(x+1)/13 multiple choice a. 6 b. 13 c. 11 d. 12 thank you again.

Pre-Algebra

I need help with scientific notation...please help

Math Algebra

elimination using multiplication 2m +3n=4 -m + 2n= 5 Please Help!!!!

Algebra

Please help me solve for the following coefficients. The equation is: 2X-Y=4 if X = 0, then Y = ? if Y = 0, then X = ? if X = 1, then y = ? if Y = -6, then X =? Thanks!

advance algebra

1(2)+2(3)+3(4)+...+n(n+1)= n(n+1)(n+2)/2 using the mathematical induction. please help..

advance algebra

2(2^1) +3(2^2) + 4(2^3)+...+n^3 = [n(n+1)/2]^2 using the mathematical induction please help!

algebra I

Please help I have no idea where to start. Solve for h 5h + 5+ 4h = 36

Algebra II

if 3x-y= -3 and x+5y = 15, what is the value of y ? lost here, please assist

algebra

^ = to the power 1. 8^1/2*8^-5/2 2.3^5/3(divided by) 3^2/3 **please show work

algebra

simplify, and please show me how you did it. I am stumped. 24 divide 1/2 + 5/8 * 6/7 thank you.

Mat0099 Principles of Algebra

Please help me solve this problem. 2y+y^2-xy-(xy-y+3y^2) Thanks!

Algebra

Write the number in the form a+bi sqrt(-4) + 10 ????? Please help!

Algebra II

f(x)= 1/(x+2) i have to graph this, can some one please help me!

Algebra II

f(x)= 1/(x+2) i have to graph this, can some one please help me!

math pre-algebra

1.x/4+2=1 2.-3+x/1=-3 please show steps thanks

Algebra

I can't get this problem, could you please help me? Solve each system of equations x+2y=12 3y-4z=25 x+6y+z=20

Algebra- Please Help!

Solve and show work for each proportion. 2x-2/14 = 2x-4/6 x+2/6 = x-1/12

algebra

Please I need help! Solve and simplify: x^2+14x-4=0

algebra 2

how do you solve 2x-y=7 -x+2y=-5 please show how you got this problem ! Thank you

algebra

for the given functions f and g find f*g. f(x) = sqrt x -3 g(x) = x^2 -7x + 9 Help Please!

Algebra

Help me solve this please ::::Divide: ã10a/16y

Algebra 2

Simplify 3 square root of 128 please help!!! <3

Algebra 2

(f o f^-1)(-10) Please help solve this composition of an inverse function.

Algebra; HELP

Solve the equation. 3x^2+18x+24=0 Explanation, too please!

Algebra; HELP PLEASE!

Solve the equation. Show your work. 3m^2=-6m

Algebra(please and thanks you ) :)

What is 0.375 as a fraction in lowest terms ?

Algebra 1

Help Please!! Which line contains the point (-2,4)? Answers: a.) x-y=-2 b.) x+y=-2 c.) x-y=2 d.) x+y=2

Algebra 1

Help Please!! Which line contains the point (-2,4)? Answers: a.) x-y=-2 b.) x+y=-2 c.) x-y=2 d.) x+y=2

ALGEBRA

Please round to one decimal place for me 90.6

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