188,810 results, page 38

1. math

the rule in words is to divide by 2 then subtract 1...what is the equation if Input(x) Output(y) 2 0 4 1 6 2 8 3 10 4 I can't get a grip on it...please help!!
2. math

What would your solution set be? Please be sure to show your work so that we can discuss the solutions. x + 4y = 1 2x + y = 7

5. Math 11

Rational expressions Is it possible to simplify this: [2 + Square Root(2)] all over 2 please help and thank you

72-3(4^2-2^3)*3 Evaluate the expression. I don't know the steps to take so please include them in your answer, THANKS:)
7. Math

Equation Models Question Symbolic Model 2x+3=(-5) Answer and check the solution please.
8. Math

My son is grade 4 his homework have question is : when you multiply any number by 1,what is the product ? Please help !!!!
9. math

Can some one help me wit this: Find the exact value of 4cos7(3.14...)/4 - 2sin(3.14...)/3 please and thank you
10. math

Can some one help me wit this: Find the exact value of 4cos7(pi)/4 - 2sin(pi)/3 please and thank you

12. Math help! Tutor only!

Find the value of the expression. 99 x 4/9 - (5+4) Is the correct answer 35? Help please how do I solve this?
13. Math

given f(x)=3x-5 and g(x)=2x^2+5x and h(x)=1/(x+3) find: ff(-2) =(3(-2)-5)(3(-2)-5) =(-6-5)(-6-5) =121 is this correct or is it wrong? I don't really know how to write ff(-2) x if f(x)=-7 =??? I don't know how to start this please help and thank you

15. math problem

please help having trouble with this (x+7)(x-12)(x+5)>0 the solution set is or is it all real numbers.
16. Math-alg-calc

x^(-1/7)=(1/2) Please help the example given was x^(-1/7)=(1/5) so that solved x=78,125. but i have no idea what to do thanks!

18. math

The perimeter of a square is 64 ft. Find the length of a diagonal. Please show me all the steps.
19. math

could you please tell me how you got the answer reguarding the 2" pipe i would really appreciate it. Thanks
20. Integrated Math 1 (help please??:( )

You can factor the polynomial f(x)=x^2-19x+70 as (x+a(x+b). The values for a and b are _____. A. a=10, b=-9 B. a=19, b=70 C. a=-5, b=-14 D. a=-16, b=3 E. none of the above.
21. math

find the derivatives, dy/dx, for the following functions : y=(1+sin^2{2 exp (3x)})^5y please help me to solve this assignment. thank's
22. math

My algebra question is; The ordered pair (3,0) is found? I don't have a clue. Can you help please? Thank you, Ruth

y=1.5 + 76.95t-(1/2)(9.8)t2 = 303.6 I am not sure how to arrive at this answer. I am confused because there is a t and a t^2. Thank you for your help!
24. math

Allison says that every interger is a counting number. is she correct and explain Please help, thank u
25. Math

Solve by using the subatitution method. (Please keep fractions as they are, don't convert to decimal.) 1. y= -3x - 1 2x - 3y= -8 2. 1 + 3y= 10 5x + 2y= 6 3. 2x - 6y= -2 x= 3y - 1 4. y= 1/7x + 3 x - 7y= -4
26. Math

Solve by using the substitution method. (Please keep fractions as they are, don't convert to decimal.) y= 1/7x + 3 x - 7y= -4
27. Elementary Math

-0.1<=y<=0.1 <= means less than or equal to So if I break the statement up is y <= -0.1 y>=0.1 Correct? Please help I'm confused.

Did I do this problem right? Rewrite the equation in slope-intercept form. y+4=5(x+2) y=5x+6

30. 5th math

What are the next three numbers in this pattern? 2,5,3,5,4,5,_,_,_ 6,5,7? Right or wrong please explain.
31. math

I know how to do mixed fractions, just stuck on this one...9 2/5+8 2/3+7 11/15 help please I keep getting 25 2/15 what am I doing wrong
32. math

please show work divide 1/2 divided by1/8 need to see steps thanks
33. Math

5. Write an inequality for the word sentence: k is less than zero. Help please I don't get this one at all
34. Math

Please help me ASAP!!!!!! 22. What is the slope-intercept form of 8x-y-6=0? I know I move the 6 over and that I need to get y by itself but, what do I do with the 8x?
35. Math!!!!!!!!!!!!!!!!!!!!!

Can you give me a fraction number story like a very good one please
36. Math

If sinx=1/3 where pi/2 <= x <= pi, determine the 5 other trigonometric functions <= means less than or equal to please help!!!!
37. Math

19-(3-x) = 5x. Can u show your work please? I know how to solve questions like these but couldn't figure it out with that x after the 5 '
38. math

(In this question the answer is -4, please explain how did they get it) If A and B have coordinates -15 and 11, what is the coordinate of X if X is 4 units farther from B as from A?

Prove that no isosceles right triangle exists whose sides are integers.
40. Math

If 4 is added to the numerator & denominator of 5/7, by how much is the fraction increased? Please show solution.. thanks

44. math

1 basketball equals 20 ounces. So how many pounds do 8 basketballs weigh? please tell me how you got it!

How do you find an answer to a MAD (mean absolute deviation) chart?
46. math

I need help with graphing a quadratic function . . . y = -2x^2 Please don't just give me the answer help me through it. . .
47. math

please check to see if I have this right. Divide and simplify to lowest terms. 2x^2-8x/5x-8 x-4/5x-8

solve the following quadratic equation and show steps 2z^4 +14z^3 + 20z^2
49. math

solve the following inequality. Write your solutions in interval notation. x-5/x+2>=1 I do not know what i am doing at all, please help!
50. Math Geo

Estimate the radius of a circle with the circumference of 272.2 inches. Help me with the steps please?
51. Math

Can someone help me please with this question? Why might an organization enter into a leasing arrangement?
52. Math

3^4 /3^3 + 4^2 *4^0/2^4 Please help and explains how you got the answer. I have been stuck on this for awhile and am not sure how to do this. Thank you!
53. Math

please explain steps use multiplication and distributive property to find quotient. 96รท6=
54. math

what prime numbers do you get when you enter each number from 0 to 10 in this expression? __2 + __ -1 please help Asap! 2= squareroot
55. Math

Accentuate the Negative. This is Charlene, Angeliques' Nana. Please show me How I can get to the correct answer. [-80 + 2] = N
56. Math

(1/2)+3/5 /[9/10-(-3/5)]= I got 1.5 is this correct? If not could you please show me how to do this? If Steve answers thank you so much for all your help you are awesome:))
57. TO ANY MATH HELPERS

Pleeeese help! Use the substitution method to solve each linear system: -x+3y+1=0 3x-y+1=0 4x-3y=-13 -2x+y=4 Please help, thanks:):)!!!!

Can you check this problem, please? n/((3/4))=5/9 Ans: multiply both sides by (3/4) n = 5/9 * 3/4 n = 15/36 n = 5/12

A soccer goalie has saved 14 shots and let in 1 goal. Explain Please!!!

If a car in 1963 cost @\$2,400 How much would that be in 2012
61. MATH *

0=-16t^2+80t+96 Solve for t. Can someone please show me the steps on how to do this I can not seem to get it right. Thanks!!
62. math (sets)

{ 1,2.3,..........,210 } How many numbers in the above set are multiples of 3 but not 9 ? a. 46 b. 47 c. 48 d. 69 e. 70 please answer and explain

Evaluate: l-x^2l (x - y) + (x^3 + y) If x + 8 = 3 and y = 3_ \l 8 Is the answer -202? I did it in the calculator but forgot how to work it out
64. math ( sets )

{ 30,31,32,....,100 } How many numbers in the above set are divisible by 8 ? a. 9 b. 10 c. 11 d. 12 e. 13 please answer and explain
65. Math

Why animals and plants are found on earth but are not on other planets of the solar system? Please ,,help me
66. Math Time

From 1:30pm-2:15pm Is 75 minutes? I added 60 plus 15 If I'm wrong, please explain
67. math

if tan 2x= -b/a, pi/2 <=2x<=pi, then determine an expression for sinx cosx in terms of a and b. *please show the calculation
68. Math (help)

how to find the surface area of a cone with a diameter of 8 and a slant height of 7? with steps? please

x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9 (which point would be considered an outlier? my ANS:(9,9)? IS IT RIGHT?
70. math

Help please find three consecutive numbers, which are in arithmetic progression whose sum is 39

find all real numbers that satisfy the equation: sinx= -\sqrt3/ 2
72. math!

Find the solution to the system by the substitution methond. y=4x-4 y=5x a.(1,0) b.(-4,-20) c.(4,0) d.(-3,-15) (Im confused !!!please explain to me how get the answer)!
73. math

If the coordinates of points A and L are -4 and 8, respectively, then the midpoint between them has a coordinate of____ A- 0 B- 2 C- 4 D- 6 Please help me understand this!

Evaluate the function at the specified value of the independent variable and simplify. f(x) = (2x^2 + 8x)/(5x^3 + 40) at x = 3.
75. Chemistry/Math

convert 0.01403 grams to ppm please show all step

If the coordinates of points A and L are โ4 and 8, respectively, then the midpoint between them has a coordinate of..... A- 0 B- 2 C- 4 D- 6 My choice is B.
77. Math

(Write each equation in standard form using integers) y โ 4 = -2(x โ 3) Please show steps Thank you!
78. math

can someone please how to do this problem. Find y-intercept y=3.9x-4.2 I am very confused even how to start it. Thank you
79. MATH

what is the solution of the system y=-3x 3x+2y=6 a. 2, 6 b. -1, 3 c. -2, 6 d. 1.5, -4.5 I have an answer but I seriously doubt it's wrong. Please help for this one? Thanks
80. math

I would like some help simplifying and adding this fraction problem please help me I am so confused 7 2/3 + 8 5/6
81. Math

Evaluate the following expression. Can you explain how to get the answer to this question please. [15 + 6 x(15-13)]divide by 9 Thank you for your time
82. Math

Suppose U={1,2,3,4,5,6,7,8}is the universal set and P={1,2,3,4}. What is P? A.{5,6,7,8} B.{1,2,3,4,5,6,78} C.{1,2,3,4} D. Cannot be determined. I think it's either B or D. Please correct me if I am wrong. Thank you!

84. Math 222

Please help me solve and understand this.**MY PLUS AND EQUAL KEY IS NOT WORKING** F equals mv^2/r

How long will it take to travel 614 km. when you are moving at a rate of 5 cm. per year?
86. Math 222

Using the Rules of Exponents. Please show me how to simplify each expression. 27 -2/3 ____ 27 -1/3
87. Math 050

Input= X and is decreased by 7 how would that be expressed into a algebraic expression? Please help

How would you convert 1.5 square iles to dm^2?? I don't know how to show my work for this particular one.
89. Math

I do not know how to do this problem can someone help me please. Thank you. Determine if the given ordered triple below is a solution. (3, 3, -5) x + 9y = 30 2x - 8y = -18 5y + 2z = 5

91. Math

Explain how u can write 35% as a sum of 2 benchmarks percents or as multiple of a percent? PLEASE TELL ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:)
92. Math

Find the equation of the line that is perpendicular y=3/5x-4 that passes through the point (-1,3) I forgot how to do this. Please help
93. Math

Write the equation of a line, in general form, that has a slope of 4/3 and a y-intercept of -5. Help me please...thx
94. Math

Essay on a true hero is a unifying force in a diverse society ideas please
95. math

selena calculated the percentage change in the price of a microwave as -87%please explain what it means
96. math

The lines a and b intersect at point D. What is the value of z? z = Can you please help em solve im really stuck and confused?
97. Math-Algebra

Find the GCF of the terms of the polynomial. 12x+20 2 4 5 10 Some help on how to solve this please?
98. MATH HELP ASAP

identify the sequence as arithmetic, geometric, or neither. please explain answer 1.6,0.8, 0.4, 0.2,...
99. Math

Find the inverse function of f(x)=(x+4)/(2x-5) and then verify your result using: f(f^-1(x))=x and f^-1(f(x))=x. Please an answer fast
100. math

Write this in scientific notation. (1.4*10^1)(8*10^4) a)9.4*10^4***** b)9.4*10^5 c)1.12*10^5 d)1.12*10^6 Please cheek my answer i am not sure if I am right or wrong.