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Algebra, help + check please

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Math 116 algebra please check
Solve using the multiplication principle. 10x= -90 The solution is x = -9 please check

Pre-Algebra(please check)
Please check these simplified expressions(my answer is after the ;) 4(2k-6)-8(3-3k); -16k-(-48) 9+(-2k)+(-4)-6k; -8k+5 -x+4x-(-8x)-9+2x+1; 13x+(-8) 5(-3x+6)+8x; -7x+30 8+6x+4-8x; -2x+12 5(-m-3)+4m-10; -9m+5

Algebra
Please check and see if my answer are correct 1). 24v^2w^5x^8-20v^7w^9= -4v^2w^5(5v^5w^4-6x^8) 2). 81-25z^2= (5z+9)(9-5z) 3). 5y^3-7y^2-15y+21=(y^2-3)(5y-7) 4). x^2+4x-12= (x+6)(x-2) 5). 3x^2-26x+16= (x-8)(3x-2) 6).4v^6+6v^5-18v^4= 2v^4(2v-3)(v+3) 7). solve for y y^2+6y+8=0 y...

Math 116 algebra please check
Solve for the indicated letter. e=9f, for f The solution is f = 1/9e Please check this

Math 116 algebra please check
Simplify 6[-73-(-19-83)]=174 Please check

algebra
Please check my system of linear equations using any algebraic method. Show the check,if possible. 8x-6y=12 / 12x-9y=18 8x-6y=12 (eq.1) 12x-9y=18 (eq.2) 4x-3y=6 (eq.1) 4x-3y=6 (eq.2) y=4x-6 / 3 Check: Thank you for your help.

Math 116 algebra please check
Multiply 1/7×(-3/7)=-3/49 Please check

algebra
Check this problem for me do I have negative sign right with the answer. -1(-1)+-5-5=-2/-10==-1/5 the one on top and the -1(-1) and on the bottom is -5-5. so check this answer for me. Please, Please

algebra
Check this problem for me do I have negative sign right with the answer. -1(-1)+-5-5=-2/-10==-1/5 the one on top and the -1(-1) and on the bottom is -5-5. so check this answer for me. Please, Please

Algebra-Please check
Please check- sqrt of 2x + 15 = x Answers: -5.3 -3.5 -3 5 I think according to my calculations it would be 5, correct? sqrt root of 7-x = 3-solve for x Answers: -2 2 4 -4 My choice would be 2 Is that correct- I squared both sides and came out with 7-x = 9 and then x = 2 Thank ...

Algebra-Can you please check this Reiny
Can you check this: x^-3y^2/x^2y^-4 I think the answer is y^6/x^5 Thanks for explaining the other problem

Algebra-Please check
We're learning arithmetic sequences-please check this for me-it's my first day calcuulating htese and I'm not sure If t(1) = 5 and t(n) = t(n-1) + 2, find the first 4 terms of the sequence I think it would be 5,7,9,11 because the difference is 2 so I just added 2 to each of ...

algebra
please check and correct thanks Problem: solve and check the inequality if possible |4F+8|< 12 positive: negative: |4F+8| < 12 |4F + 8| < -12 4F + 8 -8 < 12 - 8 4F +8-8 < -12-8 4F < 4 4F< -20 F < 1 F< -5 solutions 1 and -5 or -5 < F < 1 check ...

language art CHECK
Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you

Algebra
Hello, can someone help me solve and check the following 1) x - 8 = 20 Check: 2) x + 15 = 35 Check: 3) -x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.

Algebra-please check
Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I think From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground to Jessie is 38 ...

Algebra
Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2 = 7 3x + 2 / 2 = 7 ...

algebra
Help me please I get confused with the positives and negatives. Please be kind to check my work and let me know where am I going wrong -4x + 10 = 58 -4x + 10 -10 = 58 -10 (is it - or +10?) -4x = 48 or 68 (do i add 58&10 or sub?) -4x/-4 = 48/-4 or 68/-4 (is the 4 -or+) x=12 or ...

Algebra I-
(solving for x) 3(x+5)=6x-4+7(-7x-1) Each time I try this i plug the numbers in and i find out that i am worng. Please help! I get -13/23 but I didn't check it. Post your work if you want me to check it and find your error.

Algebra-please check
Please check these: 1.When the fraction 2/3 is used as exponent, wht role does the denominator 3 play in evaluating expression? I think it indicates cube root of the base,correct? 2.sqrt of (2^4x/4^-2x) is equilvalent to 2^4x, correct? 3.Simplify (2xy^-2z^4/y^-3/z^3)^2 would ...

ALGEBRA 1
Can someone please check on these for me please .Thanks Use the Quadratic Formula to solve 1.

algebra
P +4- 2 (p-10)> 0 Please check, it was marked wrong P+4 -2p +20 > 0 -p+ 24> 0 -p >-24 P > 24 Answer choices are 29, 26, 24, 22 Please explain thank you

Algebra
Check my answers please 😁 6.-4-5(x+8) A) -5x - 44 B) -5x + 36 C) -x - 8************** D) -20x + 8 7. 3x+4(x-6)-3(x-7) A) 4x - 45************ B) 4x - 3 C) 10 X -3 D) 10x + 45 8. 8 + 8 < -28 A) x<-36 B)x<-20************ C) x<20 D) x<36 9. R/15>-3 A)r>...

algebra
can someone please check my answer for me? 6-2x=6x-10x+14 I got x=-2 is this correct? if not please let me know which step I missed.. thank you

Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...

Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...

algebra 2
check my answer please find the number of zeros(x-intercepts) y=3k^3-6k^2-45k=k(3k+9)(k-5)= k(3k^2-15k+9k-45)=k(3k^2-6k-45) or should i do it 3k(k-5) (k+3)=3k(k^2+3k-5k-15)=3k(k^2-2k-15) which on is the right one please let me know.thanks

7th grade math check
Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...

Algebra II-Please check
Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...

Algebra II Please check-
Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...

Algebra
Please check: 2x-1<9= 2x<10=x<5 Thanks

Algebra-Please check my work
Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = ...

Algebra-Please check-I'm desperate
Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=0/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = ...

Algebra 1--Please, check my answer!
Solve. Check your answer. 1. ((1)/(x)) = ((2)/(x^2)) A: x = 2

Algebra-please check my work
check my answers please. Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers. f(x) = 2x3 + 10x2 - 8x - 5; between 1 and 2 -I got: f(1)=1 and f(2)=35;no Determine the maximum possible number of turning ...

algebra
x^+5x-6=0 x^+5x-6=(x+2)(x-3) (x+2)(x-3)=0 x+2=0 or x-3=0 x=-2, or x=-3 check this please let me know if right.

college algebra
x/2-x/x-4=-4/x-4=-4x^2/2 check this please

pre-algebra
3x + 4=19 x=5 -32=24-2f f=16 Please check.Thank you.

pre-algebra
3m-4=14 m=6 11=2y-15 y=13 Please check Thank you.

Algebra
Would someone please check these answers? Simplify. 3/x-5+1/1-4/x-5 For this answer I got: x-2/x-9 Divide. x^2-49y^2/6x^2+42y/(x^2-7xy) For this answer I got: (x+7y)/6x(x^2+7y) Add. Express your answer in simplest for. x/6+3x/6 For this answer I got: 2x/3 Please check my ...

Algebra-Please check my answers
Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x...

Algebra-Please check my answers
Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3 3x^3y/z^3 3x^3y/2z^3 x...

Algebra 1
(4x^6-7)(x^8-4) = 4x^14-7x^8-16x^6+28 Check my answer please.

Algebra
Could you please check my work? 3/(x-7)=2/(2x+1) 3(2x+1)=2(x-7) 6x+3=2x+-14 x=-4.25 I appreciate it.

Algebra..
f(x)= x^2+3 ; g(x)=3x-1 Check These Please? 1.(fg)(-1) = 5 2. (f o g)(1) =10 How would you solve this? 1. (g o f)(x)

Algebra 1--Please, check my answer!
Solve. 1. ((3)/(s-6)) = ((4)/(s)) + ((1)/(2s))

Algebra 1--Please, check my answer!
Solve. 1. ((3)/(a-4)) = ((a) / (a-2)) A: a = 6 or a = 1

Algebra, check please?
5(N+2)=3/5(5+10n) And then I wrote down 5n+10 But what would do after that? I know that the equal sign basically cuts it inhalf so that it's two problems.. but I just don't know what to do from that point. Help please? -Allyson

English-CHECK PLEASE
Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone B:homonyme C:synonym D:simile ...

Algebra..
Check These Answers Please? f(x)= x^2+3 ; g(x)=3x-1 1. (f+g) =x^2+3x+2 2. (f+g)(3) = 20 3. (f-g)(x) = x^2+3x-4 4.(fg)(x) = 3x^3+1x^2-9x+3 5. (fg)(x) =5 6. (f/g)(x) =(x^2+3)/(3x-1) Compostitions of functions : 7. (f o g)(x) =3x^2+4 8. (f o g)(x) =10

algebra check please
7(4 - t) = -84 i got: 28 - 7t = -84 -28 = -28 7t = -112 ----- ----- 7 = 7 t = -16 is this right : -16

pre-algebra
Please check -42=4n+17n N=3.09 13+10c-4=-29 C=-3.8

ALGEBRA 2 help please would appreciate
x x _____ - _____ = x^2+9 ________ x+3 x-3 X^2-9 solve for x. and check answer thank you show work please

algebra check + help please?
How do I solve this? -90>( with an line under that sign) 4T I think you flip the sign or something? I'm not really sure.. Could someone please help?

algebra check please
a=-2 b=5 c=-4 d=6 question is b^2-2bc+c^2 see if i did the steps right please (5^2)-(2*5*-4)+(-4^2) (5^2)-(10*-4)+(-4^2) (5^2)-(-40)+(-4^2) 5^2-(-40)-4^2 25-(-40)-4^2 25+40-4^2 25+40-16 65-16 49 No. Minus four squred is positive sixteen. eighty percent of 280 is what number? ...

algebra
If you write a check without enough money in the bank a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 15% of the amount of the check plus a $25 processing fee. Let the "n" amount of the check and the

college algebra
can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x

Algebra 1
Please help me check my answer. Solve by completing the square. x^2-4x=10

Math 116 algebra please check
Evaluate x+y/6 for x =57 and y=3 the answer is x+y/6=10

Math 116 algebra please check
Solve -0.8x < -56 The solution is x<70

Math 116 algebra please check
Solve 8x - (5x + 7)= 17 The solution is x= 8

Math 116 algebra please check
Solve 5/2x + 1/4x = 9/4 + x The solution is x 9/10

algebra
Find the slope, it it exists x+7y=14 x=7y/14=2 check this problem for me please

Algebra, ( check please)
A/3+4=6 I subtracted 4 from 4, and 4 from 6. and I got A/3+2= But how do I solve it from here?

aLGEBRA 2 help please would appreciate
x/x+3 -x/x+3=x^2+9/x^2-9 solve for x and check your answers

Algebra-Please check
Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = 27 -5x = 25 x = -5, correct? Thank you

Physics check
I just want somebody to check my answer on this problem please :-) There is a box which weighs 1000 kg. There is an applied force acting upon it with a force of 20000 N (horizontally). The mu is 1.2. What is the acceleration (again, horizontally) of the object? I got 8.24 m/s^...

Math- Algebra II
Please check if I did this right... √(2x+1)+7= 3 -7 -7 √(2x+1)= -4 Square everything √(2x+1)^2= -4^2 2x+1=16 -1 -1 2x=15 divide by 2 on both sides x=7.5 CHECK: (Plug it in) √(2(7.5)+1)+7= 3 √(16)+7= 3 4+7=3 11 doesn't equal 3 so the answer is no ...

algebra check please
help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me

Math (Check)
The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) -3 4) .25 I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!

Calculus - please check my work
Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.

PLease Check My Work
3. T^2-25/t^2+t-20= (t-5) (t+5)/ (t-10) (t+2) 4. 2x^2+6x+4/4x^2-12x-16= 2(x+2) (x+1)/4 (x-4) (x+1) 5. 6-y/y^2-2y-24= 1/(y+4) *Please check them.- 3. (t-5)(t+5) / (t+4)(t-5) 4. 2((x-1)(x+2)) / 4((x+4)(x-1)) 5. (6-y) / (y+6)(y-4) i don't really understand what this is... but lol...

math-please check my answer
0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?

Algebra-Please check my calculations
Could you please check my answers and help with the ones I can't figure out- 1. Solution to the radical function sqrt(1/2x+1) = 1 is x = 0 True or False I think it is true according to my calculations 2.Solve x = sqrt(8x) 8x = x^2 x^2 - 8x = 0 x(x-8) = 0 x = 0 x-8 =0 x=8 the ...

Algebra
x-8/x-9-x+1/x+9+x-17/x^2-81 =x^3-81x^2-7x-27/x^2. Can some check this my answer and see if it corre4ct please.

Math 116 algebra please check
Solve -8¡Ü4x-7¡Ü-2 The solution is -1/4,5/4

algebra: please check
p/3-3p/8=3 p-3p/8=9 p-3p=72 -316 I am not sure if I did this right. Just guessing.

algebra
Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please explain

Algebra Emergency!!
Find the inverse of f(x)=2x+1/x-1 and please VERIFY(CHECK) Thanks so much

Math[PLease Check]
Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12

Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check

Algebra II-Please check
I'm sorry the computer jammed on an earlier post and I couldn't do anything-so here is the problem I need asistance with Please check and offer advice-I'm NOT SURE IF I USED CORRECT FORMULAS-thank you the problem is List the center, vertices, and foci of hyberbola for ...

drwl / bobpursley please check
I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.

Algebra-Mathmate or Reiny or Dr. Bob, please check
I have two short questions which I think I know the answer-could you please check? If I write log(b)x - 2log(b)y as a single logarithm it would be log(b) x/y^2, correct? If not please help and Is the function f(x) = 1/x a exponential function -I think it would be because it ...

Algebra
Can someone please check my answers. Solve the following by factoring x^ + 7x + 10 + 0 I got x + (-5) and x = (-2)

Algebra
Can someone check my answers please? Solve the following by factoring? 3x^ - 6x = 0 I got x = 0 and x = 2

ALGEBRA
can I please get some help with this problem. FACTOR . CHECK BY MULTIPLYING 4x²+12x

Math 116 algebra
Please check this problem Solve 5/2x + 1/4 x = 9/4 + x The solution is x = 9/10 Is this correct.

algebra please check
Find the distance between the given points (3, 5) and (8, 2) (8-3)^2 + (2-5)^2 5^2 + -3^2 25 + 9 = 34 sqrt of 34 = 5.83

Algebra-please check
What is the solution for absolute value of -1 + x = 5 I think the two solutions are x = 6 and x = (-4)

algebra 2 please check
Write an equation for a parabola with vertex at (-4 , 3) and focus at ( -4, -2)? I have this.... (X+4)^2=20(y-3)

Algebra 1--Please, check my answer!
At how many points does the graph of y = (x-6)^2 intersect the x-axis? A: Two.

algebra 2
Solve the equation. Check for extraneous solutions. 9|9-8x|=2x+3 can anyone please show me how to do this problem?

Pre-Algebra
Please check....... convert to slope intercept form y-27=4x 16-2y=22 8x+11-4-27 -11/-11 8x=4x+38 +4x 4x 12/12x=38/12 = 1 1/3

Math (Algebra)
Can someone please check my answer? 9[73-(-95-61)]= 2061 if my answer is incorrect could you tell me where I missed? and the correct answer please? Thank you I would appreciate it...

Algebra
Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m-8-5m+10 = 2-2m 4(2-6x) = 8-24x 7(a+3)-5 = 7a + 16 2x-3(4y-x) = 2x-12y-9x 2(4y-1)+5y(3-2y) = 2(4y-1) +5y(3-2y) If...

Spanish-Please check
Please check-Thank you I come from the library. Yo vengo de biblioteca.

Algebra Please check answers
Could you please check these answers thanks. Directions: Factor each polynomial. If the polynomial cannot be factored, write prime. 1. a^2-16b Answer: (a-16)(a+16) 2. m^2+8m+16 Answer: (m+8)^2 3. 3a^2b+6ab+9ab^2 Answer: Prime 4. 2r^2+3r+1 Answer: Prime 5. z3+6z^2+9z Answer: Prime

Please check-Reiny
Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I did it like this: 8y -...

Algebra-Please check-I must have done something wr
Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) My answer and logic is below but it can't be correct I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the choices are: x^2/1 + y^2/40 = 1 or x^2/1 + y...

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