# Find the multiplicative inverse of the number. -9 Please explain and give steps as well. Thank you.

166,439 results
1. ## Functions - math

The function f is such that f(x) = a^2x^2 - ax + 3b for x

2. ## Math

What is the multiplicative inverse of C/D? Explain how a number is related to its multiplicative inverse.

3. ## Trigonometry

Having trouble with true/false questions in Trigonometry. They read as follows - True or False: For a trigonometric function, y=f(x), then x=F^-1(y). Explain your answer. True or False: For a one to one function, y=f(x), then x=f^-1(y). Explain your

4. ## Multiplicative inverse

Is the multiplicative inverse for 12/13 13/12?

5. ## Algebra

Need help with these: 12. Name the property: 8 + 3.4= 3.4 + 8 a. Inverse Property of Addition b. Associative Property of Addition c. Commutative Property of Addition d. Inverse Property of Multiplication I think the answer is C 16. The standard form for a

6. ## math

Does every rational number have a multiplicative inverse? Explain why or why not. Please help ASAP!!! :(

7. ## Math

What is the multiplicative inverse of 6 1/7? My answer- 16

8. ## math

The table shows the relationship between red and blue marbles. Red marbles (r) 4 10 11 18 29 Blue marbles (b) 1 7 8 15 26 Is the relationship between red and blue marbles additive or multiplicative? Write the relationship as an equation. A. additive; r = b

9. ## statistics

You have an SRS of 15 observations from a Normally distributed population. What critical value would you use to obtain a 98% confidence interval for the mean μ of the population? I know the answer is 2.602...but I do not understand why Tell me if I'm

10. ## algebra

Can someone help with inverse relations and functions? is relation t a function? Is the inverse t a function? chart looks like: x 0 2 4 6 y -10 -1 4 8 If someone could please explain this problem

11. ## math

1> which expression represents "5 less than the product of 7 and x"? is the answer this: 5-7x 2> can anyone give me an example of multiplicative inverse property?

12. ## math

The cost of producing q articles is given by the function C=f(q)=100+2q. (A) Find the formula for the inverse function. (B) Explain in practical terms what the inverse function tells you. I am pretty sure the answer to A is f^-1(C)=C/2-50 For B, the

13. ## algebra

I need to find the inverse of this function f(x)=9x+7 please show steps. The answer I got is not one of the multiple choices I have. The answer I got is f^-1 (x)=1/9x-7/9

14. ## Maths, multiplicative inverse

Show that -3 is a multiplicative inverse of 17 modulo 26.

15. ## inverse

If f(x)=cosx + 3 how do I find f inverse(1)? Thanks y = cos(x) + 3 the inverse of this is x = cos(y) + 3 solve for y and you have your inverse The cos function only has a range of [-1,1], so the range of f(x) is [2,4]. this means f inverse of 1 doesn't

16. ## Further maths

A binary operation * is defined on the set R of real number by a * b = a + b + ab ( where a, b belong to R ). Calculate 5 * ( - 2 ) * and find the identity element e of R under the operation. Determine the inverse under * of a general element a belong to R

17. ## Algebra 2

what is the inverse of the given relation? y=3x+12 help explain the steps??

18. ## statistics

Container 1 has 8 items, 3 of which are defective. Container 2 has 5 items, 2 of which are defective. If one item is drawn independently from each container: Find the probability distribution for X defined as the number of defective items drawn(Hint: You

19. ## Math Check

the additive inverse of -2? 2 the multiplicative identity of -2? -2 write this in 4 different ways. How would I write it 4 different ways? Multiplicative inverse of x+2? Additive inverse of x^2 - 4x - 10

20. ## trig

If z=1+i, then the multiplicative inverse of z esqaire is:

21. ## math

Use Euclid’s algorithm and backwards substitution to determine the multiplicative inverse of 27 in Z40 . I've worked out; 40 = 1*27 + 13 27 = 2*13 + 1 Then rearranged to make the remainders the subject. 1 = 27-2*13 1 = 2(40-1*27) Bit confused where to go

22. ## Multiplicative inverse

Angelo says that if you know one unit rate in a proportional relationship, the other unit rate is always the multiplicative inverse of the unit rate you know. Is Angelo correct? Explain

23. ## Math

y=arccos(sin(x)), find dy/dx and sketch it's graph(I guess I can do this on wolframalpha after I'm done solving the question). And by arcsin I mean inverse of the expression(written like cos^-1(sin(x)), but is not 1/cos(sinx) but the inverse of cos). I am

24. ## Maths B

(a) What is the inverse of the function y = 3x2 ? (b) On the same set of axes, without the use of a graphical calculator, graph the original function and its inverse. (c) Is the inverse of the function also a function? Explain your decision.

25. ## Algebra

Here is the problem: A two-digit number is eight times the sum of its digits.When the number is added to the number obtained by reversing the digits,the sum is 99. Find the original number. Please explain hot to solve it and it would help a lot to if you

26. ## Pre-Calc

Does y=1/x have an inverse? It is a one-to-one function, so it should be the inverse equation is the same??? yes, the inverse is the same. Check it with G(f(x)) So, when drawing the inverse, it is just the same graph?

27. ## 9th grade algebra (recursive formula)

Can you explain how to find a sub 1 in the following problem? 1. Given 2 terms in an arithmetic sequence, find the recursive formula. a sub 18 = 3362 , a sub 38 = 7362 Steps: a. Find difference: (7632 - 3362)/(38 - 18) = 4000/20 = 200 b. plug into

28. ## math help

Can someone explain to me the following step by step , i 've looked in websites , plus the book and i want to understand how this problem has this answer. Problem #1 Find the inverse if it exists, for the matrix. -2_1_3 3_-1_0 -4_2_0 Answer is: -4_6_5

29. ## Math

Find the multiplicative inverse of the number. 1/2 (fraction) The inverse would be 2/1, which would be 2 as the final answer.

30. ## algebra 2

What is the identity element for multiplication? What is the multiplicative inverse of 4? of 0.1? What is the familiar name for "multiplicative inverse"?

31. ## Pre-caluclus

I do not know how to solve for y to get the inverse of this question: The number of elephants in a park is estimated to be P(t)=7500 1 + 749e^(−0.15t) where t is the time in years and t = 0 corresponds to the year 1903. Find the inverse of P(t). What is

What is the inverse of each of the functions defined by the following equations, if the inverse exists. If the inverse does not exist for the largest possible domain, limit the domain so that the inverse will exist. In each case, give the domain and range

33. ## Math

Find the zero of f(x) = (2^x-1)(-3^x+1). x = (ln2 + ln3)/(ln2 - ln3) x = (ln2 - ln3)/(ln2 + ln3) x = 2/(ln2 - ln3) x = - (ln5/ln1) I can't figure this out. Solve log(27)(log(x)10) = 1/3 for x. x = (3(inverse)sqrt90)/3 x = 10(inverse)sqrt3 x =

34. ## Math

Find inverse of f if f(x)= x^2-4x+3, (for x is smaller than and equal to 2). First prove that f(x) is one to one in the defined domain of f and then obtain the inverse function. I know how to find the inverse. We just switch x and y. so y=x^2-4x+3 becomes

35. ## Writing Inequalities

I need some help with this problem. A number is less than the sum of twice its opposite and five. Find the number. Thank you for your help!!! If by "its opposite" you mean the same number with opposite sign, then if you let x be that unknown number x < -2x

36. ## math

Could you show me step by step how to find the inverse of this problem: log with base of 2 (x+1) Thanks! It is not clear what the problem is. You are given a function of x. Let's calli it y. Are you trying to come up with an equation for x in terms of y?

37. ## Math- steve? reiny?

1. Let f(x)=x^5 + 2x^3 + x - 1 Find f^-1(3) and (f^-1)'(3)? I have zero idea how to find the inverse of this function at a point 3, and how to take derivative of an inverse. 2.Let f(x)=cosx + 3x Show that f(x) is a differentiable inverse and find f^-1(1)

38. ## Math--

Identify the property or theorem which justifies the statement. 7 × 3 is an integer A) Associative property B) Inverse property C) Closure property D) Multiplicative identity

39. ## MATH

The formula for the area of a circle and the volume of a sphere an be though of as functions of the radii of the shapes. (Anything you could answer would be so helpful) Thank you!! a) Write a rule expressing the area of a circle as a function of its

The formula for the area of a circle and the volume of a sphere an be though of as functions of the radii of the shapes. (Anything you could answer would be so helpful) Thank you!! a) Write a rule expressing the area of a circle as a function of its

41. ## algebra 2

for each function, find an equasion for the inverse. then use composition to verify that the equasion you wrote is the inverse. g(x)=-6x+5 please explain how you got the answer

42. ## Math

Just by reading the steps I am lost please if someone can help me i am studying for a quizz on Friday but I want to undestand . All I understand is the meaning I can see any expression multiplied by 1 is equivalent to original expression but I am lost with

Inverse Trigonometric Functions please explain this to me in mathematical steps please how to solve sin^(-1) (-1/2) this equals - pi/6 i know that sin^(-1) domain and range switch from original sin but i don't know how to apply that... i need an

44. ## earth//space science

what is an inverse relationship? explain the relationship between the density of a planet and the distance the planet is from the sun "what is an inverse relationship? explain the relationship between the density of a planet and the distance the planet is

45. ## Trigonometry

Having trouble with true/false questions in Trigonometry. They read as follows - True or False: For a trigonometric function, y=f(x), then x=F^-1(y). Explain your answer. True or False: For a one to one function, y=f(x), then x=f^-1(y). Explain your

46. ## calculus

f(x)=sqrt(x-2) what is the inverse of f? I got inverse f(x)= x^2+2 however, you need to specify the domain of x. the answer key says when x=>0 can you please explain why? I thought it would be when x=>2 ?

47. ## Algebra

Here is the problem: A two-digit number is eight times the sum of its digits.When the number is added to the number obtained by reversing the digits,the sum is 99. Find the original number. Please explain hot to solve it and it would help a lot to if you

48. ## Algebra

Can anyone help me with this problem? I need to show all steps and explain what is happening. A graph would be great for a visual too if possible. Thank you for any help. We define the following functions: f(x) = 2x + 5, g(x) = x^2 – 3, h(x) = 7 – x /

49. ## Math

Your goal is to take at least 10000 steps per day. According to your pedometer, you have walked 5274 steps. Write and solve the inequality to find the possible numbers of steps you can to reach your goal. Can someone explain how to do this?

50. ## Chemistry

A first-order reaction has rate constants of 4.6 x 10^-2 inverse seconds and 8.1 x 10^-2 inverse seconds at 0 degrees C and 20 degrees C respectively. what is the value of the activation energy? Please show all steps!!

51. ## Chemistry

A first-order reaction has rate constants of 4.6 x 10^-2 inverse seconds and 8.1 x 10^-2 inverse seconds at 0 degrees C and 20 degrees C respectively. what is the value of the activation energy? Please show all steps!! Thank You!

52. ## Algebra

suppose you are at the gas station filing your tank with gas. the function C(g) represents the cost C of filling up the gas tank with g gallons give the equation: C(g)=3.03(g) A)what does the number 3.03 represent? B)find C(2) C)find C (9) D) for the

53. ## Math

Directions: Does the following inverse of [2 6 exist? 1 3] If it isn't an inverse, explain why.

54. ## Algebra

How come x: -1,0,1,2,3,4 y:-2,1,2,1,-2,6 does not have an inverse? I don't see why you just can't flip the x and y values (for example X:-2, y:-1) and have that be the inverse. Could you explain?

55. ## Trigonometry

Evaluate the inverse trigonometric function. Give your answer to the nearest degree. (Enter only the number.) cos^-1 (-1)

56. ## inverse

find f^-1 (x). (this is asking me to find the inverse) f(x) = -(x-2)^2, x If f(x)=-(x-2)^2 x

57. ## math

Explain how the difference of a fraction or a rational number and its additive inverse is equal to zero.

58. ## Math

Determine whether each equation is true for all x for which both sides of the equation are defined. If it is true, support your conclusion with a sketch using the unit circle. If it is false, give a counterexample. inverse sin(-x)=-inverse sin(x) inverse

59. ## math

Direct vs. Inverse Variation Also this one: You purchase a new SUV; as age increases, the resale price decreases. I believe this would be inverse, but the answer packet says neither direct nor inverse. As I understand inverse, as one value goes up, the

60. ## Math

Write the steps for how to use a number line to multiply a 2 digit number by 20 . Give an example

61. ## math

Find digits A and B in the number below so the folling condition are true. The 5-digit number must be divisible by 4. The 5-digit number must be divisible by 9. Digit A cannot be the same as Digit B. 12A3B Explain the steps you followed to solve the

62. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Use inverse operations to solve each equation. Explain each step and identify the property used to reach step. 19= h/3 -8

63. ## math

Consider the following students method of solving the proportion 8/5 = 20/x and determine whether the methods were correct: Richie: First I divided 20 by 8 and got 2 1/2. Then I multiplied 2 1/2 by 5 and got 12 1/2 for my answer. Martha: I think of it this

64. ## pre calculus

Find the inverse of the function below. Graph the function below and the inverse. Determine the domain, range and asymptotes of the function below and the inverse function. Please show all your work. f(x) = 2e^-x + 5 Just looking at this gives me a

65. ## Chemistry

Given 175 liters of SO3 at 800 torr and 100 degrees C, find the volume at STP, give the mass of the sample and give the number of molecules in the sample. Can somebody please explain how I figure this out? I'm so lost. :{

66. ## math

Explain the notation M^-1 used for the inverse of a square matrix M. I thought M^-1 would be a normal inverse matrix except the numbers would be vertically switched like in fractions...? Not sure though.

67. ## Geometry

You have found an old parchment that describes the location of buried treasure! It states: "On Triangle Island there are only two trees, A and B, and the remains of a gallows. Start at the gallows and count the steps required to walk in a straight line to

68. ## MAT126: Survey of Mathematical Methods

All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion: List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15

69. ## College Algebra

1.Give a quadratic function q(x) with a vertex of (-1, 2). 2. Give a function h(x) which does not have an inverse function. 3. Give a polynomial function g(x) with zeros 1,2,3 4. Give an exponential function s(x) passing through (0,2) and (4,1). 5. Give a

70. ## Calculus

Does f(x)= 1 + cos(x), have an inverse or not, if so, what is the inverse? please explain.

71. ## functions

given: f(x)=(2x+3)/(3X+2), find the inverse function of this. please don't give me the answer only, i would like to see the full working out so then i'll know how to do it next time!thanks!!:-)

72. ## Algebra

I am trying to solve the following using the Quadratic Formula but I am confused. Can you explain the steps? Solve (find all complex-number solutions): t^2 + 3 = 6t Thank you

73. ## Science Help

I am very confused on what I am supposed to do. I have to make a powerpoint about all the steps of mitosis and meiosis in order and explain how they replace old or broken cells. I don't know the steps or if there are four steps or five. Please help!

74. ## Algebra

Don't understand quadratic word problems at all. Please help, with steps. One number is 8 more than another number. Their product is 273. find the numbers. The differance between a number and twice it's reciprocal is 17/10. What is the number? Thanks,

75. ## Algebra I

Find the multiplicative inverse of the number. -9 Please explain and give steps as well. Thank you.

76. ## math

Find the multiplicative inverse of the number. 9 1/7

77. ## Math-

Find the multiplicative inverse of the number.9 1/7 A) 1/63 B) -9 1/7 C) 1/64 D) 7/64

78. ## Algebra

Name the property used in the equation 15n=15 multiplicative identity or multiplicative inverse?

79. ## math

Name the multiplicative inverse,or reciocal,of each number. 19/3 19x3 3x19

80. ## Algebra

Let p(x)=2x^3-113 and let q be the inverse of p. Find q(137). Please explain in steps. I posted this already but I did not list my steps. The first step would be to find the inverse of 2x^3-113 which would be: y=(x+113/2)^1/3. and then would I just plut in

81. ## Multiplicative inverse

Is the multiplicative inverse for 12/13 13/12?

82. ## math

Multiplicative inverse of 7 is: A:1/7 B:7 C:2/7 D:1

83. ## algebra 2

what is the additive and multiplicative inverse of -8 and 1.5

84. ## Algebra

Let p(x)=2x^3-113 and let q be the inverse of p. Find q(137). Please explain in steps. Thank you.

85. ## math

Show that -3 is a multiplicative inverse of 17 modulo 26 Started with 17 * -3 = -51 but doesn't seem right? help

86. ## math, algebra II

Can someone explain to me step by step how the book got to this answer i want to understand the steps....thanks Find the inverse, if it exists,for the matirx (*I used the underscore to separate the numbers within the matix) -2_1_3 3_-1_2 -4_2_0 the answer

87. ## math

Use Euclid's algorithm to find a multiplicative inverse of 15 mod 88, hence solve the linear congruence 15x=20(mod 88) So far I have: 88=5x15+13 15=1x13+2 Backwards substitution gives 15v+18w=1 1=15-1x13 =15-1(88-5x15) =15x15-1x88 now very stuck what to do

88. ## Math

The function f is such that f(x) = a^2x^2 - ax + 3b for x

89. ## algebra

A student’s work to solve 2 6/7÷ 2/7 is shown below. Which of the following statements do you agree with? 2 6/7÷ 2/7 = 19/7 ÷2/7 = 7/19 • 2/7 = Cross Out 7 with 1/19 2/Cross Out 7 with 1= 2 /19 Myriah: “The only mistake is in changing the mixed

90. ## algebra

I have to find the inverse of f(x)=9x+7 please show steps so I can see to understand

91. ## Math multiplicative identity

Can someone please explain to me how they got this . I keep breaking my head using multiplicative identity 5/3 ×6/6=30/18

92. ## math

Is the number 254.71 multiplicative and why?

93. ## Calculus

Hello I need help with this excersise of derivative of a inverse function. The excersise says: If f(x+2)=x^3+1 and g(x)=f(arctg x), find the derivative of the inverse function of g(x) and then calculate (g^-1 (9))'[the derivative of the inverse function

My homework is converting repeating decimals into fractions. I can't figure out the steps for this problem: 0.083 and the 3 is the repeating number. Can someone please explain the steps to me?

95. ## college algebra

Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane f(x)=4+e^-x/3 please help me! show steps also, if i an just given an answer that wont help me! thanks in

96. ## Biology

A plant cell that lacks chloroplasts will not 1) give of oxygen 2) take in food 3) give of carbon dioxide 4) take in water I chose number 2 but when I looked in the answer key it said 1. Could you please explain me why it is number 1 instead of 2.

97. ## mathematics

IF ANSWERED IN NEXT 5 MIN I'LL GIVE A+. Just a little review. If x+2=27 find what x is by using inverse operations.

98. ## math

1. Find the additive and multiplicative inverses for each of the following. (a) 8 (b) 3 1/2 (c) 1/4

99. ## mathematics

IF ANSWERED IN NEXT 10 MIN I'LL GIVE A+. Just a little review. If x+2=27 find what x is by using inverse operations. how bout that

100. ## Algebra

Given the functions f(x)=x+5/3 and g(x)=1/f^-1(x)+1, find the value of g(3). The first step would first be to find the inverse of x+1, the denominator of the fraction. I think the inverse would be 1-x. And now we have 1/1-x so we can just plu in 3. Right?