# 1. 25% of N is 25. Find N

90,662 results
1. ## Probability

The joint PMF, pX,Y(x,y), of the random variables X and Y is given by the following table: (see: the science of uncertainty) 1. Find the value of the constant c. c = 0.03571428571428571428 2. Find pX(1). pX(1)= 1/2 3. Consider the random variable Z=X2Y3.

2. ## probability

The random variables X and Y have the joint PMF pX,Y(x,y)={c⋅(x+y)2,0,if x∈{1,2,4} and y∈{1,3},otherwise. All answers in this problem should be numerical. Find the value of the constant c. c= Find P(Y

3. ## Computer

1: A thesaurus is best used to ________. A Help find the meaning or a word b help find a word that means the same or a similar definition as another word c help find the spelling of a word d help find the pronunciation of a word 2: Using a synonyms can

4. ## MATH

We now have d dx [x5 + y8] = 5x4 + 8y7y' = d dx [9] = 0. Rearranging this, we get 8y7y' = ?????????? ------------------------------------- A table of values for f, g, f ', and g' is given. x f(x) g(x) f '(x) g'(x) 1 3 2 4 6 2 1 8 5 7 3 7 2 7 9 (a) If h(x)

5. ## Statistics

Solve the following problems by using the binomial formula. a. If n = 4 and p = .10 , find P(x = 3) . b. If n = 7 and p = .80 , find P(x = 4) . c. If n = 10 and p = .60 , find P(x ¡Ý 7) . d. If n = 12 and p = .45 , find P(5 ¡Ü x ¡Ü 7) .

6. ## Calculus

F(x) = x^5 ln x A) Find the interval on which f is increasing Find the interval on which f is decreasing B) Find the local minimum value of f C) find the inflection point (x,y) Find the interval in which f is concave up Find the interval in which f is

7. ## Math

Find 30% of 70. a. 40 b. 21 *** c. 2.1 d. 0.4 Find 20% of 55. a. 22 b. 11 *** c. 35 d. 30 Find 12% of 200. a. 22 b. 24 *** c. 34 d. 40 What is the best estimate of 42% of 756? a. 320 *** b. 240 c. 400 d. 420 Find 11% of 400. a. 46 b. 40.6 c. 50.6 *** d. 56

8. ## maath

The accompanying tree diagram represents a two-stage experiment. (Let x = 0.45, y = 0.55, r = 0.65, s = 0.35, t = 0.4, and w = 0.6.) Use the diagram to find the following probabilities. (Round your answers to three decimal places.) (a) Find P(A) · P(D |

9. ## geometry

Triangle PQR has vertices P(1,2), Q(25,2) and R(10,20). Find the coordinates of the centroid. Find the coordinates of the circumcenter. Find the coordinates of the orthocenter. Find the equation of the line.

10. ## Algebra

Hello, I've been having trouble on the following question: We let g(x) = ⌊x⌊x⌋⌋ for x >= 0. i. Find all x >= 0 so that g(x) = 1. ii. Find all x >= 0 so that g(x) = 3. iii. Find all x >= 0 so that g(x) = 5. iv. Find the number of possible values of

11. ## Math

Given the following information answer questions a-d. P(A)= 0.42 P(B)=0.36 A and B are independent Round all answer to the nearest 5 decimal places as needed. a) Find P(A U B) b) Find P ( A|B) C) Find P (B|A) d) Find P(AnB)

12. ## Algebra 8th

Find the greatest possible error for each measurement. 953 mi 0.5 mi Find the greatest possible error for each measurement. 1 3/4 c not-- 1/4 c Find the greatest possible error for each measurement. 12.3 L 0.05L Find the greatest possible error for each

13. ## maths

For the following graph: a. Find the domain of f. b. Find the range of f. c. Find the x-intercepts. d. Find the y-intercept. e. Find the intervals over which f is increasing. f. Find the intervals over which f is decreasing. g. Find the intervals over

14. ## MATH!!!

Consider the following where s is in feet and t is in seconds. s(t) = t3 + 4t2 + 6t + 4 (a) Find v(t). v(t) = (b) Find a(t). a(t) = (c) Find v(3). (d) Find a(3). see above. Please stop posting under different names. WHAT?!!

15. ## Calculus

Let h(x)= x^3 + 4x -2. Let g(x) represent the inverse of h(x). Find g(14). I know that if (a, f(a)) is on h(x), then (f(a), a) will be on g(x). I also know that if f^-1(a)=b if f(b)=a. I thought that if I could find the x value(s) at which h(x)=14, I would

16. ## Math Compound Interest

If \$500 is invested at an interest rate of 4.5% per year, find the amount of the investment at the end of 11 years for the following compounding methods. (Round your answers to the nearest cent.) Find a, Anually Find b, SemiAnually Find c, Quarterly Find

17. ## Calculus

Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show

18. ## pre-calculus

R(x)=x^2+x-6 ________ x-3 1. find the domain and y-intercepts 2. find the x-intercepts 3. find the real solution of the equation 4. find the horizontal or oblique asymptotes 5. find the x-axis 6. plot the points

19. ## Statistics and Probability

The following table shows the density of the random variable X. x 1 2 3 4 5 6 7 p(x) 0.03 0.01 0.04 0.3 0.3 0.1 0.01 8 ? A. Find P(8) B. Find P(3 ¡Ü X ¡Ü 5) C. Find P(X ¡Ü 4) and P (X < 4). Are the probalities the same? D. Find F(-3)and F(10)

20. ## Probability

Consider an RV X with the following density given parameters α and γ . f (x) = {(1/γ)e^(-(x-α)/γ) if x>α {0 if x ≤ α. a. Find E[X]. b. Find V[X]. c. If α = 4, γ = 2, ﬁnd P (X > 8). d. Find P (X < α + 3γ ). e. Find the cdf for X , F (x).

21. ## precal help

Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse 9x^2+4y^2-36x-24y-36=0 Find an ellipse with minor axis of 8 and vertices at (-9,3),(7,3)

22. ## PRECAL

Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse 9x^2+4y^2-36x-24y-36=0 Find an ellipse with minor axis of 8 and vertices at (-9,3),(7,3)

23. ## Statistics

The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stem-and-leaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range.

Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On

25. ## algebra

Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On

Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On

Find the number of terms in each sequence. 1. 2,-6, 18,-54,,,,,-4374 Find the common ratio r and the value of a1 using the information given. (assume r >0) 2.a3=324, a7=64 Find the indicated sum. 3. a1=2, r=-3; find s8 4. E like symbol with a 10 on top. On

28. ## math homework

Distance Rate Time in Math if x=yz, find the value x given that y=2 and z=5 Given T=RV, find Rif T=4 and V=8 Given w=xyz find w if x=2,y=3 and z=6 If C=ab, find Cif a=0.65 and b=1.9

29. ## math

Consider the following. (Give your answers correct to four decimal places.) (a) Find P(-2.07 < z < 0.00). (b) Find P(-1.86 < z < 2.11). (c) Find P(z < -1.55). (d) Find P(z < -0.55).

30. ## Geometry

I have several questions, because my geometry final is tomorrow. I've completed most of the review, but can't seem to figure out these questions. It would be great if someone could tell me how to solve each equation. 1. Find the radius of the circle with

31. ## math

If y varies diretly with x, write an equation for the direct variation. then find each value. Find y when x = 10 if y = 8 when x = 20 If think I can find the value by y/10 = 8/20 with the answer for the value is 4. My problem is how to find the equation.

32. ## Math Analysis

4. Find f(x) + g(x) when f(x) = x^(1/2) and g(x) = 6x^(1/2). ===> I got the square root of 7x. Is this right? 16. Find f(x)/g(x) when f(x) = (2x)^(1/2) and g(x) = 2*(sqrt2)*x^(1/3). ===> I got (sqrt2x) / (3*cubertx), but I definitely don't think this is

33. ## Math

Consider the following where s is in feet and t is in seconds. s(t) = t^3 + 4t^2 + 6t + 4 (a) Find v(t). v(t) = (b) Find a(t). a(t) = (c) Find v(3). (d) Find a(3). v(t) is the first derivative of s(t). a(t) is the second derivative of s(t). I will be happy

34. ## calculus

5. Find the equation of the tangent line to the graph of f(a) = -sec(a) at the point (0, -1) 6. Differentiate y = sin(x)tan(x). 7. Find f '(x) for f(x) = sin(x)cot(x). 8. Find the derivative of the function f(x) = cos^2(x) + tan^2(x) 9. Find f '(x) for

35. ## math

find the area of a right angled riangle. find the distance from A to B. Find the distance from B to C. Find the midpoint B(-1,4) A(-1,-1) C(4,-1) thanks for your time and help.

36. ## Geometry

What is an equation I can use to find the sum of the first 1000 counting numbers? I have been trying to find out how to figure out this problem, but can't find it my notes. Thanks in advance. :)

37. ## Math check

Consider the following. (Give your answers correct to four decimal places.) (a) Find P(0.00 < z < 2.13). =.4834 (b) Find P(-1.81 < z < 2.03).=.9436 (c) Find P(z > 0.23). =.4090

38. ## Algebra1

Please let me know if these are correct. 1. Find: 10% of 30 3 2. Find: 10% of 100 10 3. Find: 20% of 50 10 4. Find: 20% of 100 20 5. Find: 50% of 50 25 6. Find: 150% of 300 450 7. Find: 15% of 56 8.4 8. Find: 27% of 92 24.84 9. Find: 32.8% of 106 34.768

39. ## Trignometry

Given Triangle ABC: I think there are suppose to be right triangles... 1) If

40. ## statistics

The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stem-and-leaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range.

41. ## math

The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68, 72, 67, 58, 74, 81, 72. Display the data in a stem-and-leaf plot. 1. Find the mean. 2. Find the median. 3. Find the mode. 4. Find

42. ## Calculus

Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative f) discuss the concavity g) find any inflection points Please show

43. ## Algebra1

Please check these 15. Simplify the product using FOIL: (4x+3)(2x+5) 6x^2 + 26x + 15 16. Given the set of data 2, 6, 3, 8, 5, 4, 2, what is the mean? 4.28 41. Find 60.5% of 8,125. 4,915.625 54. Find 45% of 125 56.25 68. Evaluate: (5.0 x 10^3) x (4.0 x

44. ## math

Let equation of an hyperbola be y^2-4x^2+4y+24x-41=0 a. Find the standard form b. Find the center c. Find the vertices d. Find the foci e. Find the slant asymptotes

45. ## math

For the following pair of functions, f(x)-x+2, g(x)-√x-1 find each of the following and state its domain: a.) find (f+g)(x) b.)find (f-g) (x) c.) find (fg)(x) d.) find (ff)(x) e.)Find (f/g)(x)

1) If

47. ## Math

Using the expression 56xy + 5 -6x + y/20,find the following: a. Find two sums. b. find the terms of the expression. c. find a product of two factors. Find the coefficient in the product. d. Find the quotient. This is to hard. Where do I start?

48. ## Math

Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x-2/20 find

49. ## Calculus

Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative Please show me how u got this!!

50. ## physics (3 separate questions)

1. The motion of a body is described by the equation ay = −308y. (a) Find the angular frequency. (b) Find the frequency. (c) Find the period. 2. A 2.10 kg mass attached to a spring oscillates with a period of 0.395 s and an amplitude of 20.5 cm. (a) Find

51. ## math

let equation of an ellipse be x^2+4y^2+6x-8y+9=0 a. Find the standard form of the ellipse b. Find the center c. Find the vertices d. Find the foci e. Find the eccentricity

52. ## Phyisics

i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r

53. ## Honors Pre-Cal

We're reviewing and I forgot how to do this. Given y=x2-4+3 (x2 is x squared) a)write in standard from b)find vertex c)find equation of the axis of symmetry d)find the x-intercepts e)find the y-intercept

54. ## physics

i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r

55. ## Physics

i need help sovling for these variables(i know that i am supposed to solve usign opposite operartion but i keep getign most of them wrong. A= 1/2 (a+b)h find a A= 1/2 (a+b)h find h T= squareroot I find I V= 4/3pier^2 find r

56. ## PreCalc

QP is (x y) = (3 -1) + r (14 10) QR is (x y) = (3 -1) + s (17 -9) PR is (x y) = (0 18) + t (5 -7) where r, s, and t are scalars. 1. Use vector methods to find the coordinates of P, Q, and R. 2. Find vectors PQ and PR and evaluate PQ*PR 3. Find size of QPR

57. ## PreCalc

QP is (x y) = (3 -1) + r (14 10) QR is (x y) = (3 -1) + s (17 -9) PR is (x y) = (0 18) + t (5 -7) where r, s, and t are scalars. 1. Use vector methods to find the coordinates of P, Q, and R. 2. Find vectors PQ and PR and evaluate PQ*PR 3. Find size of QPR

58. ## consumer math

2. Use the monthly payment table and this table to answer the following questions. Loan APR Years Monthly Payment Total Payment Interest \$6,700 13.5% 5 A B C \$8,720 12.5% 15 D E F \$20,230 11.5% 20 G H I Find A. (Points : 1) 3. Find B. (Points : 1) 4. Find

59. ## Probability

Let Y be a Normal RV with mean 7 and standard devi- ation 4. a. Find P (Y = 7). b. Find P (Y < 5). c. Find P (Y ≥ 10). d. Find P (Y < 0). e. Find E[Y].

60. ## Physics

Can someone please help me with this physics question? I have most parts of the question answered already. (i only need help with b and c). Thanks The motion of a body is described by the equation 3.50 sin (0.100ðt)where t is in s and y is in m. (a) Find

61. ## Math

find f'(x) find the slope of the graph of f a x=2 and x=4 find the equations of the tangent lines at x=2 and x=4 and find the value(s) of x where the tangent line is horizontal. f(x)=2x^2+8x I found that f'(x)=4x+8 and that the slopes were 16 and 24 and

62. ## Trigonometry

Given Triangle ABC: Right Triangles 1. If a = 6 and

63. ## Maths

Let f(x)= x^5-5x+3 1-Find f'(x) and f"(x). 2-Find the intervals on which f(x) is increasing or decreasing. 3-Find the local maximum and minimum of f(x), if any. 4-Find the intervals on which the graph of f(x) is concave up or concave down. 5-Find the

64. ## Math help

Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 0 4 4 2 0 5 6 3 1 3 6 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.

65. ## Statistics

Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 1 2 5 2 2 4 7 3 2 4 7 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.

66. ## math

Consider the following. (Give your answers correct to four decimal places.) (a) Find P(0.00 < z < 2.13). (b) Find P(-1.81 < z < 2.03). (c) Find P(z > 0.23). (d) Find P(z < 1.51).

67. ## probability

Given a source generates two symbols the a-priori probability of x1 is p(x)=0..25. The transition matrix of the channel is as follows p(y1/x1)=0.3, p(y1/x2)=0.4. Find the following: a) What is the type of the channel. b) Find the self information contained

68. ## Math

I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= -5 1.y=2 whne x=7 2.y=-2 when x=2 3.y= 17 when x=-4 y varies directly with x. 1.if y=6 when x=2,find x

69. ## physics

A simple harmonic oscillator with = 0.845 and total energy = 145 has amplitude 1.45 . A) find spring constant B) find period C) find max speed D) find max acceleration

70. ## Pre calculus

Find all roots f(x)- x^3+2x^2-15x+30 Factor f(x) completely. I can't find any roots and always get a remainder with 1, -1, 2, -2 What do you do if you cannot find a root?? Using Calc button on ti84 I got X= -5.619 Y=1.4E-11 Still can't find zeros...

71. ## Math

Consider the equation below. (Round the answers to three decimal places. If you need to use -infinity or infinity, enter -INFINITY or INFINITY.) f(x) = 9 sqrt(xe*^(-x) (a) Find the interval on which f is increasing. ( , ) Find the interval on which f is

72. ## Algebra

I need some help with algebra as I'm confused as to how to solve them. Find the common difference d and the value of a1 using the information given. 1. a6= 5/4, a8= 9/4 Evaluate each sum. 2. E like symbol that has a 29 on the top. On the bottom n=1 and to

73. ## Phyics

A projectile is fired horizontally from a 39 m cliff at 30m/s . Find the speed and velocity of the projectile when it strikes the ground. Find vx Find vy Find v

74. ## Algebra 2

Did I answer these correctly? 1.f(x) = 2x + 3 g(x)= 2x^2 + 2x Find f(g(x) ) 2(2x^2+2x)+3 =4x(x+1)+3 = 4x^2+4x+3 2. f(x) = 5x + 3 g(x) = 2x^2-2x + 2 Find (fg(x) ) (5x+3)(2x^2-2x+2) 2(5x+3)(x^2-x+1) 10x^3-4x^2+4x+6 3.f(x)=3x g(x)= -2x^2 -2x Find (f - g)(x)

75. ## math

A gallup poll of 1236 adults showed that 14% believe that bad luck follows if your path is crossed by a black cat, so n=1236 and p=0.14 1.Find the mean? 2.Find the standard deviation? 3.Find the ND (np > 5 and nq > 5 ?) 4.Find the min, max of usual values

76. ## ellipses

8x^2+y^2+80x-6y+193=0 Find the center (which i think is (-5,3) Find the major axis Find the minor axis && find the distance from C to foci

77. ## geometry

The diameter of circle C is 18 cm. is 60°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use .) a) Find . Explain. b) Find . Explain. c) Find . Explain. d) Find the length L of . Show your

78. ## CAL

Hi, im lost in theses three problems. Please help. Thank you so much!!! 1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = 3 squareroot all 1 + 5x (g(x), f(u)) = ??????? Find the

79. ## english

-------------------- 1. Everywhere you go, you will find the same thing. 2. Wherever you go, you will find the same thing. 3. No matter where you go, you will find the same thing. Are they all the same in meaning? Which one is popuplar? •English -

80. ## geometry

Basic Geometry 1. Find the perimeter of a rectangle 19 cm long by 27.8 cm wide. 2. In triangle ABC, angle A = 47°, and angle B = 8°. Find angle C. 3. Find the perimeter of a triangle with sides of length 28 cm, 47 cm and 19 cm. 4. In triangle FGH, angle

81. ## pre-calculus

(tan^2x-9)(2cosx+1)=0 Find one period 4cos^2x-4cosx+1=0 find all angles and name 8 angles 7sin^2x-22sinx+3=0 find all angles and name 8 angles 2cos^2x-7cosx=-3 find one period sinx(2sinx+1)=0 find one period

82. ## statistics

Suppose a restaurant in town serves three fixed price dinners costing \$12, \$15, and \$20. For a randomly selected couple ( Penny = X and Leonard= Y), the joint probability table for their selections is given below. Y p(x,y) 12 15 20 12 .05 .05 .10 15 .05

83. ## Calculus (pleas help I really need to check this)

Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c) s(t) = square root of t,

84. ## Calculus

Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c) s(t) = square root of t,

85. ## Physics

Consider the system of capacitors shown in the figure below (C1 = 5.00 µF, C2 = 7.00 µF). Find the equivalent capacitance of the system. Find the charge on each capacitor. Find the potential difference across each capacitor. Find the total energy stored

86. ## math

Let a(t), v(t) and s(t) be the acceleration, velocity, and position functions respectively of a particle. If a(t)=5cos(t/2)+sint and s(0)=0, v(0)=-5. How do i find the position function s(t)?? find s(t) as the second integral of a(t) s(t)= INTINT a(t) dt

87. ## Trigonometry

I posted this earlier today: I do not know how to find a single function of x or ø by using an identity. How do you find a single function using identities for a problem such as: cos(3pi/4 - x) But I think either I'm trying to find ø or I'm trying to

88. ## Math

The diameter of circle C is 18 cm. mAD is 60°. Answer the following: a) Find m

89. ## Math

Jena is comparing prices of different cell phones. She made a dot plot to show the prices. How can she find the most common price? A) Find the dot all the way to the right. B) Find the dot all the way to the left. C) Find the shortest stack of dots. D)

90. ## Calculus - Maths

I got a few questions. Hope ya'll can help out. 1) for F(X) = 6x - 2x^2 Find the gradient of the chord joining the point where the X coorinates are 1 and (1+h) respectively. b) hence find the gradient at x=1 2) Find the Coordinates of the point on the

f(x)=x+1/x Find all critical numbers. Find where the function is increasing and decreasing. Find critical points and identify each as a relative maximum, relative minimum, or neither. Find second order critical numbers and tell where the graph is concave

92. ## Chemistry

An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-3 M, [O2]0 = 4.1 × 10-4 M t(s) 0 3.0 6.0 9.0

93. ## Science...i need help

Where is humidity? Can you find me website where you can find humidity? Thanks for your time! from Vin.... What do you want to know about humidity? Where can you find humidity? Like from outside from rain or..... YOu can find it anywhere there is water

94. ## Environmental Studies

I am trying to find the EPA standards for the maximum amounts of phosphate per liter of water. I went on their site, but I couldn't find it. Could anyone find out for me? THank you

95. ## History

We're learning about imperialism, and i have to find the foreign aid recipient \$\$ of china. I can't find it on the website my teacher gave to us.. Does anyone know it, or know where I could find it?

96. ## calculus

how would you find the median of a pdf picture it basically is a triangle with points (0,0) (6,.2) (10,0) do i need to find the slopes to find equations for the lines? thanks!

97. ## Math

Find an equation for the hyperbola. vertices:(2,3)(2,-3) Foci:(2,5)(2,-5) I used the midpoint formula to find the center and I came up with (2,0). I just don't know how to find a and b.

98. ## Statistics

Answer the following questions. ​(a) The random variable x is distributed​ normally, with x~N(80,100) Find the probability that x is greater than 90. x >90. ​(b) Find P(x

99. ## algebra

Find the standard form for the equation of a circle (x−h)^2+(y−k)^2=r^2 with a diameter that has endpoints (−8,−10) and (5,−4). Find the h= -1.5 k= -7 r=? I do not understand how to find the radius.

100. ## Math

I know the answer to this question, but I want to find a simpler way of doing it... ---Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S= 1+2+3+...+24+25, find the value of S. Thanks!!!!!