# Algebra, help + check please

106,914 results, page 56

1. ### algebra

I'm not sure how to answer this question? 1<3x+2<12 Please explain the answer so I know how to do these kind of questions
2. ### Algebra

If the equation xy=12 was graphed, where would the graph cross. A. The y-axis? B. The x-axis? Please help
3. ### algebra

If the sides of the rectangle are (fq-8)dm and (f^2g^2 + 8fg + 64) dm. what is the area of the rectangle ? Please Help me :\ and thank you for those who answer :)
4. ### Math - Algebra

Evaluate t - u/v when t = -1, u = -3, and v = 1/2 I am VERY VERY unsure what the answer is. PLEASE HELP!!! I am stuck on this!!!
5. ### algebra

solve the system using elimination 2x-5y=8 x-3y=-1 please explian step by step
6. ### algebra

the base of a triangle is (c+2) ft and the area is (2c^3+16) ft^2. what is the height? please help me i don't understand how to solve for the height.
7. ### Algebra

-11^2 Would it be -121 or 121. I think it is negitive please correct me if wrong.
8. ### Algebra

Simplify 1) 4r+3-9r^2+7r 2) (4h^3+3h+1)-(-5h^3+6h-2) 3) 5k (3-4k) 4) (2x-3)(4x+3) 5) (4x-3)(4x+3) My answers: 1) 11r+3-9r^2 2) this one I am confused about 3) confused 4) 7x×7 5) 8x-6 Please help me

Use the Remainder Theorem to find the remainder when P(x)=x^4-9x^3-5x^2-3x+4 is divided by x+3. How do I do this?
10. ### Algebra

simplify the expression (7 + 5) + 4 * 13 - 2 Could you please post a step by step answer.. THXXXX
11. ### Algebra

Find the equation using the points. (1/2, -3/2) (-1/2, 1/2) Answer: y=2x-1/2 Please explain why this is the answer.
12. ### Algebra 1

Given h(x)=|1-7x|, find the following. a. h(1) My answer is -6 b. h(9) My answer is -62 Please let me know if my answers are correct?
13. ### English

Thank you. Could you please check these sentences, please? Thank you. 1) Storm is a participant in the triathlon competition. She is going to reach (I don't know the correct verb) the finishing line. She is wearing a pinkish half zip-up T-shirt with an orange T-shirt under it...

Q1. My mother and I did some gardening,and _______ we relaxed on our front porch, admiring our handiwork. a. last b. afterwards c. first Ans: a. last Q2. I bring my pet snake to the vet for a check-up every ______. a. Sundays b. days c. week Ans: c. week Q3. It's a pity - I ...
15. ### Algebra

Please check my answers: Solve the problem. A steel company produces two types of machine dies, part A and part B. The company makes a $3.00 profit on each part A that it produces and a$5.00 profit on each part B that it produces. Let x= the number of part A produced in a ...
16. ### U.S. History

1.in what ways did the colonies and Britain benefit from triangular trade? 2.Name two places enslaved Africans were sent to and what types of crops were cultivated in each place for the second one i got West Indies:sugar, molasses and North America: rum, guns please help with ...
17. ### student supervision

what is another name for the illness known as pediculosis? (a)chicken pox (b)ringworm (c)strep-throat (d)head lice(my answer) who does most of the talking in a student conference? (a)student(my answer) (b)teacher (c)teacher aide (d)parent when your checking out books where ...
18. ### geography

Thank You and I did some more questions. Can you check them? 1. Is the Antarctic Circle north or south of the equator? South of the equator 2. All lines of longitude are measured east and west of what imaginary line? The Prime Meridian. Ms. Sue the 9th grade Algebra question I...
19. ### MORE LANGUAGE ARTS URGENT

Because she wants to go to medical school, Becky will need to take extra science classes, and she also wants to learn Latin. The sentence above is a A. compound sentence. B. complex sentence. C. compound-complex sentence. D. simple sentence. I think..... it's A.... or C I ...
20. ### L.A

In which sentence is the meaning of the word inarticulate best expressed? A. he impressed the audience with his inarticulate expressions B. the young girl was exceptionally animated and inarticulate. C. she had many ideas to share, but she was an inarticulate speaker*** D. the...
21. ### mat117/algebra

Factor completely. ax - ay + x^2 - xy please show me how to factor this problem a(x-y) + x(x-y) = (a+x)(x-y)
22. ### Algebra

Could you please help in finding the domain? Thanxs! Find the domain of the function. g(x)= 3x/(x^2 -49)
23. ### Ellipse-Algebra

I need help with the following questions please. Graph the ellipse. ((x-1)^2)/(9)+ ((y-2)^2)/(4)=1 (4(x+1)^2)+9(y-2)^2=36

25. ### Algebra I

I need some serious help. c = 0.25(t-300) + 69.95 where t>300. Will someone help me please?
26. ### algebra

I need help with these please. What is the solution for 0.7x+5¡Ü1.1x-8? What would be the solution for, 15a+5b-12a-8b=

The sum of three consecutive odd integers is 51. What are the integers?
28. ### Algebra

Please solve for the interval notation corresponding to the set notation {x | x < –7}
29. ### Algebra

Let f(x) = 6/x-1 and g(x) = 1+3/x. Please fing the composite function. This is what i got so far. =f (1+3/x) =6/x-1 = =f (1+3/x) = 6/ [1+3/x - 1] How do I get the composite?
30. ### algebra 1A

HELP ME.simplify{[4(z-4)+18]-[3(2z-2)+4]} 6{[4(z-4)+18]-[3(2z-2)+4]} simplify your answer. can someone help me please I have no clue. thank you

32. ### algebra

(3-2square of 7(3+2square of 7 can someone help me please. This must turn in tonight
33. ### algebra helpppppp

can any one help me with the one i posted below i NEED help PLEASE

35. ### algebra 1

use substitution method m+2n=1 5m+3n=-23 please step by step so that i could understand
36. ### algebra

how do I factor a polynomial completely, please tell me step by step.

why does the equation x^2=-9 has no real solution why does the equation x^2 = 9 has two solutions
38. ### algebra

I get it all done and it is wrong please help solve this thanks. Solve the compound inequality. 4x-3/8<-6 or 4x-3/8>6
39. ### Algebra 2

Write a system of inequalities in which x and y are each greater than -3, but not greater than 2. Can someone please help???
40. ### Algebra

Solve by completing the square: x^2-6x+3=0 please take me step by step
41. ### college algebra

Can anyone please help me with this? for the function f(x) =1/x....f(x)is increasing on the interval(s) and f(x) is decreasing on the interval(s)???
42. ### Algebra I

Which number is a whole number? a) |-18/9| b) -4/3 c) 1.6 d) -(-7.963) Also please explain it to me as well. Thank you.
43. ### Algebra

I don't get how you do this please help, thanks! Write the equation in the form ax+b=0. Then write the related function y=ax+b. 5x+2=7
44. ### Algebra

How do I solve this equation? Please explain and do step by step. 6m squared -5m-14=0
45. ### ALGEBRA

PLEASE VERIFY THE IDENTITY cot(theta-pi/2) = -tan theta
46. ### math algebra 1

Please show the steps and explain how to do this as well. 3√8 · 2√5

Let f(x) be a polynomial such that f(f(x))−x^2=xf(x). Find f(−100).
48. ### Algebra 2 ..

Please explain step by step.... Evaluate. (-16)^1/4 I don't get how the answer is 2√i.
49. ### algebra 1

solve the equation -2x+1=5-2x can you please show me some videos of how i can solve them
50. ### algebra

what is the solution of the following system {3x + 3y =10 {-9x-9 =-30 Can you show step by step please.
51. ### Algebra 1

Please I need help on. Function y=4x +5 with the domain x≤0. And what is the range of the function?
52. ### Algebra 2

Hello any one out there can you please help me out with this problem and Thank you in advance. !.x+y=34 x-y=20 2.-7x+6y=11 -5x+9y-11

How would you convert 5 feet 6 inches to inches?
54. ### algebra 2

Can someone please help me solve this problem? I do not know how to do it. 2x(squared)+3x+1. And 3ay(squared)+9a?
55. ### Math

Please check my answers I think they are right if not please tell me where I went wrong. Thanks The annual net income of general electric for the period 2007-2011 could be approximated by P(t) = 3t^2- 24t +59 billion dollars (2<t<6) where t is time in years. a) compute p...
56. ### math/algebra

can someone check me and see if this is correct. ã(4x+1) + 3 = 0 ã(4x+1)= -3 ã(4x+1).2= -3.2 4x + 1 = 9 4x = 9 - 1 4x = 8 x = -2 not sure what your symbol ã means but it appears like you mean square root. If that is the case then in your second line √(4x+1)= -3...
57. ### Reverse Equations

a four-component mixture was extracted. In the mixture was R-phenol, RCOOH, RNH2 and R-(C=O)-R in solution with ether and aqueous NaHCO3. RCOO-NA+ was separated out on the water layer. Aq. NaOH was added to the ether layer and R-benzene-O-Na+ was separated out in the water ...
58. ### algebra

2xsquared-11x-21= ? a=2 b=11 c=21 product= a*c p=42>21 and 2 2xsquared-21x-2x-21 x(2x-21)-2x-21 this can't be the answer. am i missing a step? please help, thanks
59. ### algebra

find the real number solutions of the equation. w^4+w^3-w=1 could you please show step by step..thank you
60. ### Algebra

Can you give a step by step example of how to factor a perfect square trinomial? Please :)
61. ### Algebra II

Simplify this complex expressions to simple expressions. 1 - _9_ x^2 __________ 1 - _3_ x please help me ..
62. ### Intermediate Algebra Solve

Solve: -1/3 - 5/4t = 3/4 - 1/6t would I cross multiply? (-1)(4t) - (3)(5) = (3)(6t) - 4 I am stuck here, please help.
63. ### college algebra

previous question, can hannah xx please explain how she got the answer to that question
64. ### Algebra

I need help in finding the factorization of -60m2 + 15n2... also the factorization of 6x2 - 2x - 20 Please help
65. ### Algebra

Let (gx)= 10-x ----- 2+x Please Help (a) Find g (–1). (b) State the domain of the function . (c) Find g (t + 1) and simplify as much as possible.
66. ### Algebra

Let (gx)= 10-x/2+x Please Help (a) Find g (–1). (b) State the domain of the function . (c) Find g (t + 1) and simplify as much as possible.
67. ### Algebra

Please Solve: x+sqrt11−x = 5 I do not think there is a solution but here are the choices A. 2 B. 7 C. 2, 7 D. No solution
68. ### Algebra

Write the equation of the circle. Center at (4,2) and the circle passes through the point (-1,-1). Please help!
69. ### algebra 1

-2/3z=-4/9 i tried to solve, but i keep on getting the wrong answer, and i do not understand what i am doing wrong. please help.
70. ### Algebra

Is the following problem correct?: 8 − (2 E 3 − 9) = 8 - (-12) = 20 If not, please explain what the student did wrong?

Give the equation of the line that passes through point ( 1, -3) and is parallel to the line y = 2x - 8.
72. ### Algebra

What is the GCF of -26x5 + 4x3 + 2x2? how do i figure this out step by step please:)
73. ### Algebra, explain?

So I have to solve this problem 9a=6(a+4) And then I wrote down: 9a=6a+24 but I don't know what to do from there, can someone explain to me please?

I'm really stuck on these problems- Simplify 6xy(3xy)^-2? Simplify 12xyz^-2/8x^-2z Thank you

So, I carried this problem through: (0,5) M=-2 y=-2x+B 5=-2(0)+B 5=0+B 5=B y=2x+5 How do I write this in standard form? Did I do this problem right? Thanks!

77. ### Algebra 1

5x + y = 5x + (3x − 11) = 13. Please help me solve this step by step. This is killing me. I really need help, thank you so much.
78. ### Algebra 1

5x + y = 5x + (3x − 11) = 13. Please help me solve this step by step. This is killing me. I really need help, thank you so much.
79. ### Algebra 1B

How do I solve \sqrt{\frac{33xy^{3}}{\sqrt{3x}}}? I am getting so confused and I need help please!
80. ### algebra

3/4 of a number is 1/2. Find the number in the lowest terms... please show work I am confused

Find the solution to the following system of two linear equations, if it has a solution. x+3y=4, 3x+9y=12
82. ### algebra

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
83. ### algebra

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
84. ### algebra

evaluate the following please |-25| I put 25 as answer,, is this right the lines are staight lines Thanks for your help.
85. ### algebra

I need help breaking down the steps to solve HELP ME PLEASE solve with an exact answer. x^2 + 2x - 8
86. ### algebra

Posted this question and part of the answer was incorrect. a) 4L/3 = 6 4L/4 = 18/4 L= 18/4 L= 9/2 b) 4= 3M/2 + 32 3M/2 = -32 + 4 3M/2 = -28 3M/2 * 2= -28*2 3M= -28 -2 3M= 56 3M/3 = -56/3 M= -56/3 ??? Can answer b be checked again please
87. ### ALGEBRA II

The sum of a number and 20 times its reciprocal is 9. Find the number(s). Please show working
88. ### Algebra

Can you please help me with this? Convert 36.7 lbs/in(3) to kilograms per cm(3). (There are 14.59 kilograms in 32.174 pounds and 61.02 in(3) in 1000 cm(3)). Thank you!

90. ### math-7th grade algebra 1

Please show the steps and explain how to do this as well. 3√8 · 2√5
91. ### algebra

Can someone help me simplify this rational expression x^2-25 /x^2-3x-10 Please show step by step examples. thank you
92. ### algebra

Radicals are so confusing. Can someone show me step by step please. Im lost 5/8+√7
93. ### algebra 2

Solve system of equations.Describe each step if your solution. W+X+Y+Z=2 2W-X+2y-Z=1 -W+2x-y+2z=-2 3w+x+y-Z=5 Please help I only know how to do this with 3 equations.
94. ### algebra functions

how do i calculate this if f(x)= 3x+1 and g(x)=x+2 find (f+g)(x) and calculate (f+g)(1) a little confused can some one please help me thank you

1. Find 5A-3B. A=[6 -5 8], B=[7 5 -6] [5 -4 3] [4 3 -4] 2. Solve the matrix equation. [3 -1] - x=[-2 3] [2 5] [1 -6] 3. Given A=[1 -1 2] and B=[-1 -3 2], [3 0 5] [2 4 5] [0 2 -2] Find AB. 4. What is the inverse of [-100 -25]? [-5 -6]
96. ### Algebra 2

Solving Quadratic Systems 2x^2+5y^2=53 4x+y^2=17 Please show work I'm having trouble solving it.
97. ### Algebra 2

Solving Quadratic Systems x^2+y^2=2 x^2-6y=10 Please show work I'm having trouble solving it
98. ### Algebra 2

Solving Quadratic Systems x^2+y^2=20 x^2-6y=28 PLEASE SHOW WORK I'M HAVING TROUBLE SOLVING IT
99. ### algebra

convert to decimal notation. 5.623 * 10^-8 is the correct answer 0.00000005623? If not can you correct me Please and Thank you!!
100. ### Algebra

Y=2x+ 6 If this equation was graphed, where would the graph cross? The y-axis The x--axis Help me Is y 6 Is x -3 if I am wrong please help me