# 2. Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3 3. Simplify. Please show all of your work 9c^3+7c-(3c^3-12+c) 4. Solve 4x- 3(5x-8) =23-9(x+2) . Please show all of your work 5. Solve the

146,158 results

1. ### math

2. Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3 3. Simplify. Please show all of your work 9c^3+7c-(3c^3-12+c) 4. Solve 4x- 3(5x-8) =23-9(x+2) . Please show all of your work 5. Solve the following equation for z. Please show all of your work. x=1/25(...

3. ### math

Simplify. Please be sure to show all of your work. -3(-9) – |-5 – 3|
4. ### algebra

Simplify using long division.Show all work. (-72-4x^2+8x^3-36x)/(x-3) Also,please solve (8b^3-6)/(2b-1) I greatly appreciate your help.
5. ### math

simplify -4(c+3)2c Please show all work

8. ### Algebra

Simplify. Please show all work. 6b^2 - 4b + 3b^4 - (7b^3 + b^4 - 4b)
9. ### Algebra 2 URGENT

Simplify: 1/u^2-2u-1/u^2-4 Please Show All Work!
10. ### Algebra 2 URGENT

Simplify: x+2/x^2+x-2/2x Please Show All Work!
11. ### Algebra 2 URGENT

Simplify: 2x+5/4x^2+2x-5/10x Please Show All Work!
12. ### Algebra 2 URGENT

Simplify: 2x+5/4x^2+2x-5/10x Please Show All Work!

15. ### Math

1. 2 / 9 + 1 /3 2. 1 / 7 + 3 /21 3. 2 /3 + 1/5 4. 1/4 + 2/3 5. 112 + 4 6 6. 1/2 + 2/ 5 7. 1/6 + 5 /12 8. 4/6 + 1/3 9. 1 / 5 + 1 / 8 10. 3/4 + 1 /9 11. 6 /12 + 1/3 12. 4 / 8 + 1/2 OMG help me please anyone and simplify and show all work.

17. ### chemistry

1.)Calculate the number of moles in 3.50 x 10^21 atoms of silver. Show all work. 2.) Calculate the number of atoms in 2.58 mol antimony. Show all work 3.) Determine the mass of 1.45 mol FePO4. Show all work. 4.) Calculate the number of mol in 6.75 g of NaCl. Show all work. 5...
18. ### algebra

simplify and show all work 11+12^2-(-11)*12 is this right11+144-(-11)*12 155-(-11)*12 144*12 1,928 simplify -(8m)-(-7m+2) 15m-2 according to order of operation what should be done first when evaluating this expression do not solve [10-(-2+1)]-9
19. ### pre calc

Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24). The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you
20. ### Algebra 2

simplify each expression. rationalize all denominators. assume that all variables are positive (1-sqrt(3x))/(sqrt(6x)) Please show work!!!!
21. ### math

I am not sure how to do these. 1. Simplify 4√6/√30 by rationalizing the denominator. Show your work. 2. Simplify (2√5 + 3√7)^2 Show your work. Justify each step.
22. ### Algebra 1

Simplify using long division. (remember to show all your work.) 3. (72-8x^2+4x^3-36x)/(x-3) 4. (8b^3-6)/(2b-1) simplify the expression, if possible. state the excluded values, if any. 5. 10x^2-25X+15^5x-5 6.2w^2-18^w^2+6w+9
23. ### Math

Consider the equation below. 1/5(x+2)+2x = 6x-10 Part A: Which property can be used to simplify the expression 1/5(x+2)? Answer _______________ Part B: Move all x-terms to one side of the equation and simplify. Show your work. Answer _______________ Part C: what is the value ...
24. ### Math (Help!)

Note: Remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. you can use the comments field to explain your work. Your teacher will review each step of your ...
25. ### algebra

perform the indicated operation and if possible,simplify please show all of your work. write your answer in lowest terms. 18/35 divided by 22/25
26. ### MATH PLEASE SHOW WORK

Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers. Please help and show all work thank you SHOW WORK SO I UNDERSTAND HOW TO DO IT THANK YOU
27. ### Math - Algebra

A. Solve the following quadratic equations. Make sure to show all your work. Do not use any method (e.g. factoring, completing the square, quadratic formula, graphing) more than twice. Use the graphing method at least once. 1. 3x+2 + 11x -20 =0 2. x2 + 3x -4 =0 3. 3x2 - x - 1...
28. ### algebra

Perform the indicated operation and, if possible, simplify. Please show all of your work. Write your final answer exactly as a fraction in lowest terms. 14/45 / 26/27

30. ### al

radical 72 x^9 simplify show all work
31. ### Algebra

Divide. Show all work. Make sure to simplify. Assume no denominator equals zero x^2-144/x^2+7x-60 divided by 3x-36/9x-45 I'm really confused on this and if anyone can help, I'd appreciate it. Thanks!
32. ### :)

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
33. ### ALGEBRA

9/16-(-3/16) subtract show all of your work. simplify
34. ### alGEBRA 1

simplify show all work: radical m^13
35. ### mat115

Please help me with this math question. I am asked to show my work but I don't know how to solve the problem to show my work. The question is: Choose the correct list of factors of the number 8. Again, I have to show my work with this question. Please help thank you.
36. ### math

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
37. ### math

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
38. ### math

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2
39. ### Intermediate Algebra

Solve using elimination method. If the system has no system or infinite number of solutions, state this. Please show all work. I need to show how I came about my answer. I need this as soon as possible please. I would appreciate any and all help!! 2x+2y=20 2x-2y=4
40. ### Algebra

Simplify the radical expression square root 48a squared b to the 7th all beneath the sq rt sign I have no work to show, can't remember the steps to solve
41. ### Math

6x-4y=54 -9x+2y=-69 Which system would work best to solve? Please show work and solve. (all steps) Thank You I honestly don't know how to do this.
42. ### algebra

simplify show all work -6a-4a^2-2(10a^2+3a) evaluate -10+x divide by 2(9-x^2) for x=-6
43. ### Algebra

How do you simplify the following and please show all work. (-3x(-4 exponent)y(3 exponent) ______________________________ (2x(5 exponet) y(-2 exponent) then the whole equation is in ()with a -2 exponent
44. ### math

simplify this expression and please show work. 2(3x+y)+5(x+2y)
45. ### Algebra

How do I perform the indicated operation and, if possible, simplify. And show all of my work? 7/12 + (-3/5)
46. ### algebra 2 help please would appreciate

3+(2x/x+4) divide x/x+4 please simplify the complex fraction thank you show work
47. ### Algebra

The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=4,000/200-2x What is the cost to remove 65% of the pollutant? Show all your work. What is the cost to remove 95% of the pollutant? Show all your work. What is the cost to remove 99% of the ...

49. ### Math

Can someone please simplify this i am lost. X(x+1)+(x+1)(x+2) show your work
50. ### college algebra--need help please!!

solve the equation in the real number system. 2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show work. I do not know how to work this at all
51. ### Algebra 1

How do I simplify 5(-c+3a)-c(2c+1)? Show the work not just the answer so I actually get how to do it please.
52. ### algebra

can you please help me with this so that i can do my other problems simplify and show alll work -4x^2-3x-(x-x^2+3)
53. ### algebra

Given f(x)=x^2+4 and g(x)=3x+1 simplify g^-1(x)(inverse) please show work and explain
54. ### Algebra

Use the order of operations to simplify SHOW ALL WORK 13+3*6/9-7 18-6/3+12*3 the "/" sign is a division symbol

10.a)Solve the inequality x^3-5x^2+2x+8<0 by i) using intervals ii) considering all cases I did this but my teacher said that when i solved this: x^3-5x^2+2x+8<0 (x+1)(x^2-6x+8) (x+1)(x-4)(x-2)<0 She told me to show all the steps, but i don't know how to show more. so...
56. ### Math

Simplify the expressions in each pair. (2 marks each) (Show your work) i) (x^2-x-2)/(x+1),g(x)=(x-2) My work on simplifying the functions: (x-1)(x+2)/(1) (x-1)(x+2) ii) (x^2-x-12)/(x+3), g(x)=(x^2-6x+8)/(x-2) My work on simplifying the functions: (x-2)(x+6)/(3) (x-4) Can you ...
57. ### Physics

please show me how to work out this problem: A roller coaster moves 85 m horizontally, then travels 45 m at an angle of 30.0 degrees above the horizontal. what is its displacement from its starting point? use graphical techniques. the answer is 126 m at (1.0 * 10^1) above the ...
58. ### Math

Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work. f(x) = 3x^3 + 8x^2 - 5x - 11; [-2.8, -2.7] I'm not understanding all this questions...

62. ### algebra 2 help please would appreciate

4/x+5/y divide 3/x+7/y simplify complex fraction thank you show work
63. ### math

Simplify the rational expressions. State any excluded values. Show your work. 8.3x-6/x-2 9.x-2/x^2 +3x-10 please.
64. ### Algebra

Please solve the Linear Equation of P = 200(10)+6000 Please show work in all steps
65. ### Algebra

Simplify the expression -5+i/2i I typed this problem into mathway and they told me the answer was 1/2+5i/2 but wouldn’t show me how they got it. They said to (“multiply by the conjugate and simplify”) but I have no clue on what the conjugate is and how to solve this ...
66. ### Algebra

91. Find the domain of: y=-3x+1 a. all negative numbers b. x>0 c. all real numbers d. x=3 Can someone please show the work and how to solve this problem. There are many of these in my lessons and I don't understand how to solve them. Do you solve for x?
67. ### Pre- Algebra

Solve -3(2w-1) = 5w - 19. Please show all of your work.
68. ### Algebra

solve by substitution. Please show all work. -6x+5y=1 6x+4y=10
69. ### pre calculus

2. Graph the following function using transformations. Be sure to graph all of the stages on one graph. State the domain and range. y= -2 lxl +2 For example, if you were asked to graph y= x^2 + 1 using transformations, you would show the graph of y= x^2 and the graph shifted ...

72. ### algebra

Simplify. Answer should contain only positive exponents. Please show work. (3a^2)^3 Thank you!!

use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=4x^3+3x^2-8x+7;[-5,-2] please show all work

Simplify each of the following expressions using the distributive property. need help please show work 5(x+y) -3(5+t)

10.a)Solve the inequality x^3-5x^2+2x+8<0 by i) using intervals ii) considering all cases I did this but my teacher said that when i solved this: x^3-5x^2+2x+8<0 (x+1)(x^2-6x+8) (x+1)(x-4)(x-2)<0 She told me to show all the steps, but i don't know how to show more. so...
76. ### Algebra

Can you please check my work? You have helped other students I know. Thank you:) Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x - 12y - 5 Evaluate the ...
77. ### Math - Logarithm

Solve the following equation. Please show all of your work. 5 ln 2x = 10
78. ### algebra

Solve the equation below. Please show all of your work log_7(x + 3/7) = -2
79. ### algebra

Solve the equation and write down the property you use at each step to simplify the equation. Consider the equation: 4x + 11 = (5x + 34)/2. Be sure to show your work.. Thank You Jiskha..!! :)
80. ### Math

Simplify each expression and state any non-permissible values. (4 marks - show your work) x^2-2x/(x+1) x x^2-1/(x^2+x-6) Please help me as I'm on a deadline to finish this course
81. ### ALGEBRA

9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT. 9/16+3/16=12/16=3/4 IS WHT I got.
82. ### prealgebra

can you please help me and help me solve this and show work: Identify the percent of change as an increase or a decrease. Then find the percent of change. #1.) Original:45 New:30 Please help i don't understand how to solve and show work
83. ### Simplify Practice.

Write the difference 30 – (–12) as a sum, then simplify. Evaluate the following expression. Show all steps. 18 + 6m for m = 2

85. ### Algebra 2 URGENT

Solve the problem using the "z" method. Please Show All Work! u^4+6=-5u^2
86. ### college algebra

solve the equation below. Please show all work. log3(x/2-9)=4
87. ### math

Multiply and simplify 2/3*13 The answer is 22. Right? if you mean (2/3) * 13 or 2 / (3*13) i believe according to both your answer is wrong Is that (2/3)*13? If so, then (2*13)/3= something other than 22. Or if it is 2/(3*13) = it is not 22. Show your work and perhaps we can ...
88. ### Math

Simplify the expressions in each pair. (2 marks each) (Show your work) (x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying the expressions x(x-2)/x+1 x (x+1)(x-1)/(x+3)(x+2) If I've gone wrong please help me understand where I went wrong and help me get the correct answer...
89. ### Math

Simplify the expressions in each pair. (2 marks each) (Show your work) (x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying the expressions x(x-2)/x+1 x (x+1)(x-1)/(x+3)(x+2) If I've gone wrong please help me understand where I went wrong and help me get the correct answer...
90. ### Algebra

Solve. Find the exact solution(s). Simplify as much as possible. Show work. 2x^2 + 4x – 1 = 0
91. ### Algebra Help

Solve. Find the exact solution(s). Simplify as much as possible. Show work. 2x^2 + 4x – 1 = 0
92. ### Algebra

Solve. Please show the algebraic inequality you used and show all of your work. Stephanie has the following scores on her algebra tests: 85, 92, and 71. What score must she earn on her fourth test in order to have an average of 80 or above?
93. ### properties

Apply the properties discussed in this section to simplify each of the following as much as possible. Show all work. I don't know how to do these problems. 4x-2-3x 4x-(2-3x)
94. ### Pre- Algebra

Solve the equation. Be sure to show all of your work. 3x - 3 = 3
95. ### Algebra Help

Please solve and check all proposed solutions. Show work for solving and checking: (x-2)/(x-1) + (2)/(x^2-1) = 0
96. ### AP Calculus

Show work to determine if the relation is even, odd, or neither. 1. 3x=|y| (|y|=abs. value of y) Simplify the following complex fractions. 2. [(3/x)-(4/y)]/[(4/x)-(3/y)] PLEASE HELP!
97. ### 8th G-Math

Write an equation and show all work. One Monday, 405 students went on a trip to the zoo. All 7 buses were filled and 6 students had to travel in cars. How many students were in each bus? (My teacher taught the class but no one even understand, can you please help me and show ...