188,810 results, page 55

2. ### calc

integral (x^2+x-1)/(x+1) dx can you please explain maybe not step by step but not just the answer please thanks
3. ### mathURGENT!!!!!!!

if (4^x)-(4^x-1)=24 what is the value of (2x)^x? please answer and explain step by step how u got it... PLEASE?????
4. ### mathURGENT!!!!!!!!!!

if 4^(x)-4^(x-1)=24 what is the value of (2x)^x? please answer and explain step by step how u got it... PLEASE?????
5. ### Math

I do not get this question at all,this is composite functions and all my answers to a) to c) is wrong,can someone please help me with this problem :)? Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a ...
6. ### math

the key...^=exponent QUESTION: What is 2^3-6x3^2 Can anyone help me please!!!! 2^3 is 8 3^2 is 9 I will be happy to check your work. is it 1? [[[help]]] u there No, of course not. Where is your work?
7. ### math

how do you graph a linear equasion I BELIEVE ITS Y=MX+B FORMULA AND THE SLOPE FORMULA what? please explain
8. ### Math

4 dice are rolled. What is the possible outcome for each event? Confused!!! Would you get an outcome of 4/6 or 2/3 Please HELP me!!
9. ### help please step by step math

The binomial x-3 divides exactly the polynomial x^3-2x^2+cx-12 and c is a whole number then c is what?
10. ### math (find the value of constant)

If (x+4) is a factor of -x2-11x-w = 0, then the value of w is: a.-60 b. -28 c. 28 or d.60 Please explain your answer. Thank you.
11. ### math

please help how do you figure out the simple interest on a \$14,500 loan at 9% interest for 5 years ?
12. ### math

given: f(x)=x^2 g(x)=2^x find: g^-1(f(3))to the nearest tenth can any one please explain to me how to find the inverse of g of f of 3????
13. ### Math median

Please check my answer :) 25,28,22,27,25,20,30,23,27, and 29 Of the above numbers which one is the median ? I said 26
14. ### math

Please explain what this means: Write an expression for 3.5 more than a number does it mean 11.5 is 3.5 more than 8???
15. ### MATH.

Please help meeeee. A cube has the surface area 384cm2. What is the length of the cube? HELP MEEEEEEEEEEEEEEEE

The one-to-one functions g and hare defined as follows. g={ (-7,-4), (-2,-9), (3,2), (8,-1) } h(x)= 4x +9 Find the following: g^-1 (2)= h^-1 (x)= (h o h^-1) (-7) =
17. ### Math urgent

explain how to compute the xy term of the product (3x-4y)^2? if possible with solution please.... its urgent
18. ### Math help!

I need help with this question:, 0.7% of what is 0.56? Please write down the steps on how you got the answer to this question?

20. ### Math

6s^2+11s-21/s divided by s^2+11s+24/st Help walk me through this, please? I keep getting it wrong.
21. ### math

if an is a geometric sequence where a1=4 and the sum of an=12. how would you find the common ratio of the sequence? please help

How do you solve this equations? (xy^-3)^-5 (3x^4)(4x^12) ab^-6 ______ c^0d^-4 x^3y^0(z^-4) Can you please show it step by step? Thanks.
23. ### math

how do you write a slope story that is 1-2 pages long? Plus i don't understand slope. please help me!!
24. ### math

Give the equation of the line that is perpendicular to the line y= -3x + 7 and passes through point (0, -6) please help

can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?

can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?

Find two functions f and g such that (f X g)(x) = h(x). ( There are many correct answers. My answers were f(x) = 4/5x and g(x) = 5x + 2 but this was wrong.
28. ### Math

Find the length of v. Inital point of v = (1,-3,4) Terminal point of v = (1,2,-2) Please help. I am not sure how to start! Thank you.
29. ### Math

Find the length of v. Inital point of v = (1,-3,4) Terminal point of v = (1,2,-2) Please help. I am not sure how to start! Thank you.

31. ### math

what is the area of the largest circle that will fit in a square with area 64 cm squared please help me its confusing
32. ### math

35 divided by [9 plus (9-7) minus 4] plus 10 times 3..can someone please explain how to do this problem

Give the equation of the line that is perpendicular to the line y=x+4 and passes through point (0, -1).
34. ### math

(6x-5y)^2= 36x-25y 6x-5y (4x+5y)^2 16x+25y 4x+5y Please check to see if right. If not corrected for me.

Using only the digits 0 an 1, how many different numbers consisting of 8 digits can be formed?
36. ### math

the product of three consecutive numbers is 4080. what are the numbers? please show work.
37. ### Math need by 9pm cst

Solve. Please show step by step process. 5/8 x+1/16 x=11/16+x

base 1=22in base 2=20in height=25in whats the area

Find the domain of the following rational function. R(x) = -3x^2 / x^2 + 2x - 48 (x+8)(x-6) So the domain is x cannot be 8 or -6. Am I correct?

Find the domain of the following rational function. R(x) = -3x^2 / x^2 + 2x - 48 (x+8)(x-6) So domain is x cannot be 8 or -6. Am I correct?
41. ### Math

Tell whether the triangle with the given side is a right triangle;1.4 m,4.8 m,5m. Explain please.
42. ### math

PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!
43. ### math

PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *5x=4y-30 2x=3y=-12 *2/3y=10+4x 5x=1/3y-8 use linear combinations to solve the system of linear equations thank you!!!
44. ### math

How to change 6/8 into a decimal, and into a percent can someone help me please
46. ### Differential equation- Math

Find the general solution of the following system of equation? Please help, i don't know what to do... dx/dt = 3x +2y +2z dy/dt = -5x - 4y - 2z dz/dt = 5x + 5y +3z.
47. ### math

please help the multiple choice answers do not match problems! 15-3+2-9 choices 0, 2, 4, 8 16+4divided by 2+9 choices 4, 11, 13, 21
48. ### need alot of help please math

hello i need help with system of equations theres 3 only thank you 2x+3y-17 3x+y=31 2(x-3y)=24 y=3x-2 2(x+4)=24 x+y=17

Logarithmic differentiation f(x)=(2x-1)^-2 (x+3)^4 at x=1 f'(x)= -2*2/2x+1 + 4*1/x+3 [(2x-1)^-2)(x+3)^4 and then I plug in 1. I am having trouble getting an answer when I plug in 1.
50. ### math

how do you use the numbers 4, 5, 9, 7, and 21 to get the number 23 (using it in a number sentence) i cannot get it and its driving me crazy! please help
51. ### Math

Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4
52. ### University Math

If f (x) = (x^2+5x+2)^2, find f'(x). Find f'(5). Please show your work and explain it so I can understand how to solve this. Thanks
53. ### math

Please show me how to solve: For what value of k are the graphs of 12y = -3x + 8 and 6y =kx - 5 parallel? For what value of k are they perpendicular?
54. ### math

The product of two consecutive positive integers is 11 more than their sum. What the integers? Please help.
55. ### Math

Solve for x: x^4-15X^2+14=0 How would I solve this problem? Could someone please show me the steps?
56. ### math

i need the solutions of s^3+〖116∙s〗^2+3360∙s+38=0 please.

58. ### Math

Please show me how to set and solve: The sum of two numbers is 90. Their difference is 12. What are the numbers?
59. ### Math

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)). Thanks!
60. ### Math - Discounts

A tv is advertised as 20% discount. If the original price is 450.00 what is the new price? Help please
61. ### Math

If y varies directly as x and y=3 when x=10, find x when y=8? Can you please show me step by step solution for this problem?

Is -15 equal then to 15 or less then? My answer is less then an i right if not please tell me how and why?
63. ### math

what kind of book can help me understand about propabilities,please let me know,i am not lazy,but i am really not understand,many thanks
64. ### math-7th grade algebra 1

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

Do the data in the table represent a linear function? If so, write a rule for the function. x: –3 –2 –1 0 1 y: 1 –2 –5 –8 –11 yes; y = –3x – 8 yes; y = 1/3x – 8 yes; y = 1/3x + 8 yes; y = 3x + 8
66. ### Math - Factorising

Find the quotient and the remainder in the following. a). x^4 + 3x^3 + 5x^2 - 6x - 8 is divided by x + 2 b). 2x^4 - 3x^3 + 6x^2 - 5x - 4 is divided by 2x - 3 Please help, this is urgent. Thanks.
67. ### math help

The average of 2P, 3Q, and another number is S. Represent the third number in terms of P,Q,and S. A. S-2P-3Q B. S-2P+3Q C. 3S-2P+3Q D. 3S-2P-3Q E. S+2P-3Q not just answer,please

the sum of 8.5 and a number n is a negative. what are the two facts that you can conclude about the number n?
69. ### math

Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. please solve this: {x | x is a multiple of 2} ∪ {x is a multiple of 7}

15 increased by t What is the answer in algebraic expression form? My answer is 15 + t am i right or wrong
71. ### math

The number a is a number less than -3. What is the range of possibl values of 1/a^2 ? a. 1/a^2 <-9 b. 1/a^2 <-3 c. -1/9<1/a^2<1/9 d. 0<1/a^2<1/9 e. 1/9<1/a^2<1/3 please answer and explain

Given the function f(x)=Kx^3-mx^2+3x+7, determine the values of k and m if the remainder is -2 when f(x) is divided by x+1 and -4 when f(x) is divided by x-1

7. Given the function f(x)=Kx^3-mx^2+3x+7, determine the values of k and m if the remainder is -2 when f(x) is divided by x+1 and -4 when f(x) is divided by x-1
74. ### math

Explain how to find the restrictions on the domain of a reciprocal function. (please explain it clearly) thank you!
75. ### Math

Please help! 1.3-2.5x<or equal to -1.2x-0.52 The answer is x>or equal to 1.3 I have been on this for hours and can't figure it out Thank you
76. ### math

please solve 100 divided by 5 to the 2nd power times 4 to the 3rd power.
77. ### math

Write an inequality using subtraction and the variable x so that solutions to the inequality include x = 3,5,7, and 9. Please help me.
78. ### Math

Can someone please work out the steps in solving this elimination problem. Thank you. The problem is x + 2y = -7 x - 5y = 7
79. ### Math

The value of 12 is obtained by multiplying p% by A.12 B.12/p C.p/12 D.1200/p E.100p/12 Is there any work for this?, if so please show work.
80. ### math

y=2x^+3 use integer values of x from -3 to 3 to graph the equation. Someone please tell me how to graph this

82. ### Math

Tell whether the function is linear. Then evaluate the function for the given value of x. 3.) f(x)= x^2 + x-2 ; f(1) Help please!!!
83. ### math

the ratio of the areas of two squares is 9:4. the ratio of their perimeters is (please explain in detail)
84. ### Math

Convert 62 inches to yards, feet, inches? How do I do all three at once? Please help.

Find the a/b form, where a and b are integers and b isn't equal to 0, for each of the following: A. 0.29 (29 repeating) B. 0.00029 (29 repeating)
86. ### Math

1.(y^-5)^-10y^10 A) y^-60 B) y^60 C) y^-150 D) y^150 Can anyone help please? I have tried solving it, but it's mind boggling.
87. ### Math

d dx [(e^x + x)^x]. Can someone please show me a step by step of how to do this. Also i'm stuck at (e^x+1)((e^x+x)^x * ln(e^x+x)) ... am i on the right track or?
88. ### Math last question.

(3x^2 - 7x -4) - (6x^2 -6x +1) It's a polynomial I think the answer is D or C, but I'm not sure which one. Help please A. 3x^2 - 13x - 5 B. 9x^2 - x + 5 C. -3x^2 -13x + 5 D. -3x^2 -x -5

90. ### math

The dimensions of a box are 9 by 16 by radical 25. Its volume is a. 60 b. 3600 c. √(50) d. √(60) please explain
91. ### Math

The area of a tabletop is 18 sq ft. The perimeter of the same table is 18 ft. What are the dimensions of the tabletop? Please help I'm lost.
92. ### Math

Tom has 4 yards of lumber.What is the length of the lumber in inches? Explain Please help me I don't understand

2. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point) m = –2 m = 2 m = -2 m = –1
94. ### Math Algebra 2

Help please. I know how to compute for the rest mass but how can you solve this problem. Solve for v in m = m0/(sqrt of 1 - (v^2/c^2)
95. ### Math Algebra 2

Help please. I know how to compute for the rest mass but how can you solve this problem. Solve for v in m = m0/(sqrt of 1 - (v^2/c^2)
96. ### Urgent Math

Please solve it in step by step. integrate: ∫(cot2x-csc2x)^2 dx
97. ### math

What is the slope of the line that contains the points (4, –4) and (7, –6)? Answer: 3 If its rong please explain to me what i did rong
98. ### math

Please help. given the units for four of the six variables, what must be the units of z and y? a=m t=s/K h=N^4 x=m z^a=xh cos(yt)
99. ### Math/7th

It takes 2mins for 3photo copy's ?how many mints will it take for 14 copy's? Please help thank you