# math..solve for u again

158,922 results, page 71

1. ### Math

Show that if the diagonals of a quadrilateral are perpendicular, then its area is half the product of the diagonals. What kind of drawing do I do? And how doI solve this? Thank you!
2. ### Math

Use inverse operations to solve each equation. Explain each step and identify the property used to reach step. 19 = h/3 - 8
3. ### secant line, tangent line

f(x) = sqrt(x-1), 1<=x<=3 Let A = (a,f(a)), and B = (b,f(b)). Write an equation for 1. the secant line AB 2. a tangent line to f in the interval (a,b) that is parallel to AB Thank you for all the help. For the line, you have two points, y=mx+b put the two points in, and ...
4. ### MATH

cos(x)=2 and sin(x)=5 Thanks for your previous answers mathmate. No. It's not a typo. I was wondering if someone could explain to me when in real life would I need to solve such problems, or similar, besides answering problems from a textbook. When ever I ask this question I ...

*Please solve the rational expression. x^2/x-4 - 7/x-4=0
6. ### Math

How do you solve for the intersection points? x^2+y^2=25 4y=3x I know the points are (4,3) and (-4,-3) but how do you get this algebraically?
7. ### Math

Solve the simultaneous equation x+y=1 x squared + y squared=25
8. ### math

how would you solve for x? can you explain step by step? 40 = [(x+2.8)/2]*8.5
9. ### math. logs

anyone know how to solve this step by step? e^(3ln2)
10. ### math

what percent is 23 students out of 51 students and how do you solve it
11. ### Math help

Solve: x-(3/x)<0 is the answer(-infinity, -sqrt3)U(0,sqrt3) ?
12. ### math

how do i solve this? sin of 30 degrees - cos of 45 degrees
13. ### MATH

Solve this system of equations. 3x+y+60=180      5y-5+2x=180
14. ### Math

Solve the polynomial inequality x^2+5x >or= -6 (-infinity, -3]u [-2, infinity) or [-3,-2]
15. ### math

Solve by substitution method 9x+6y=21-9x+y=35 What is the solution of the method?
16. ### math

solve. log 1/100 = log(10x+2)
17. ### math

sqrt(x) - sqrt (x-5) = 1 hellpp solve for x pleasee
18. ### Math

Can you explain how to solve this problem step by step? -4t + 16 = 24
19. ### AP Math

Solve: log2(2x^2)[log2(16x)]= 9/2log2x

solve (sq.rt 2) (tanx)(cosx) = tanx

22. ### Math

How do i solve the following by factorization: 1) 7.7^2-2.3^2 2) 43*56+43*44 I know how to do these manually but not by factorization.
23. ### Math

solve for x: log4 X - log4 2 = 2 log(2x) = 2 Now what do I do?
24. ### Math

solve for g. 0=2,750,000g - 2,750,000
25. ### Math

Solve each equation: 5 over 2x-5 minus 4/5= 1 over 2x-5
26. ### Math

Solve each equation: Thank you 5-x over 3 minus x-2 over 4 = 5/12
27. ### math

solve each equation: x over x+1 plus 2= 3x over x+2
28. ### math

x= sqrt( 3/2x + 5/2 ) sqrt = square root How do you solve this ? Thank you.
29. ### math

how do you solve this can you please show me step by step y/2 -5y/6 +1/3= 1/2 15/8z + 1/4 = 4
30. ### math

HOW TO SOLVE THIS? sql 8( sql 10 - 1 ) PLEASE IT IS URGENT !!!!
31. ### math

HOW TO SOLVE THIS? sqrt(8)( sqrt(10) - 1 ) PLEASE IT IS URGENT !!!!
32. ### math

Solve for t: √(t-108) - √(t+186) = 66
33. ### math

Solve for t: √(t-108) - √(t+186) = 66
34. ### math

Solve for t: √(t-108) - √(t+186) = 66
35. ### Math

Solve the following equation 1) root(2x+4)= root(6x+1) -1
36. ### math

how do I solve the equation (y+6) divided by 3- (y-3) divided by2=2
37. ### math

what is the value of x in the equation? 2(b-3)+5=3(b-1) (may you solve it step by step.
38. ### Math

Solve for: cos (2 theta) = 2 - 2 sin^2 (theta)
39. ### Math

Solve log10(8 x) − log10(1 + √x) = 2 for x.
40. ### Math

Solve for X. X^3=27 x = 3 because 3 * 3 = 9 and 9 * 3 = 27. Correct? -------------------------------------- [x]= 16 X = 4^3 because 4 * 2 = 8 and 8 * 2 = 16. Correct? -------------------------------------- (x-2)^4=16 I need help on this one!
41. ### math

Solve 5 divide by 6 plus 1 divide by10
42. ### math

solve -4+7logx=10 & log(x+3)+log(x-2)=log14
43. ### math

how do I solve this following problem step by step. 8/x = 10
44. ### math

logx4 = 1/3 Solve. Is this the right answer? x^logx4 = x^1/3 4 = x^1/3 x = 4^3 = 64
45. ### Math help

Solve .7x+9<or equal to 1.5x-6 I get x x >or equal to 18.75 I hope this is correct
46. ### math

how to solve (4.8 x 10 to the 2nd power) divided by 2.4 x 10 to the 10 th power)
47. ### Math

solve for 9x-21y=28 -9x+21y=21 in elimination method
48. ### math logs

solve 3^(2x+1) = 9^(2x-1) using base 3 logs
49. ### math

solve the equation 5 indice x = 1 and 16 indice x =0.165

53. ### Math

Solve for x. Provide an explanation, please. -X^2+36=0
55. ### math

solve the logarithmic equation. log(5x+7)=1+log(x-9)
56. ### math

is there a shortcut to solve organized lists if so what is the shortcut?
57. ### math

input output 2 11 _______ 20 _______ 35 7 26 15 50 5 23 how do i solve this?
58. ### math

Solve for x if sin2x=cos(x+30) for x [-180;180]
59. ### math/algebra

solve the equation log2(3x-2) - log2 (x-5)=4
60. ### Math

Write the sentence as a proportion. Then solve the proportion * d is to 4 as 32 is to 56
61. ### math

cos2x-sinx=0. Factor and solve for sinx
62. ### math

Solve a. log a = 3 b. log 1,000 =a c. loga = –2

Solve: 7r - 7 = 2r + 18 My answer: 7r - 7r - 7 = 2r - 7r + 18 -7 = -5r + 18 -7 - 18 = -5r + 18 - 18 -25/-5 = -5r/-5 R = 5
64. ### Math

Solve log(x4 power)=(logx) 3 power

66. ### Math

Explain how you can solve 8x8 if you know how to multiply with 4 but not how to multiply with 8.
67. ### Math Help

Solve for x: 1.) ln√x-8=5 2.) log2x+log2(x+2)=log2(x+6)
68. ### Math

Solve this linear equation, y-x divided by 2=5 x-y divided by 5=13
69. ### Math

Please check Simplify 7t+3+t+9=8t+12 Simplify m-2-4m-5=-3m+7 Solve 90=5t+t 90=6t t=15
70. ### math

solve the system of equations for x and y { x^2 - 11x -y =-24 x^2 - 11x + y = -24
71. ### Math

How do I solve 4|8x-2|=8? And also 6w-1 over 5 -3w= 12w-16 over 15?
72. ### Math

Solve for 0 < θ ≤ π sin θ = sin 2θ I get (0,π/3,π,5π/3). Idk what I did wrong.
73. ### MATH - Log

Solve for X in (Log X)Â²-6Log X + 9=0 3 3 Help please
74. ### math

1)solve the equation p=log(squareroot8)/log(2) 2)hence solve the equation log(31+log(16)/log(x))/log(9)=log(squareroot8/log(2)
75. ### Rates

Guys, how much would you rate this website? From 1-10. Do you feel like others are helping you with your questions? Remember that we don't solve for you. We explain the situation you are in and then you solve it on your own. This website's caption is "homework help" not "...
76. ### Math

1.) Solve this system of linear equations. Write the final answer as an ordered pair (x, y, -3). x - y + 2z = 22 3y - 8z = -9 z = -3 2.) Solve this system of linear equations. Write the final answer as an ordered pair (x, y, z). 2x + 4y + z = 1 x - 2y - 3z = 2 x + y - z = -1
77. ### algebra

The volume V of a gas varies inversely as the pressure P on it. If the volume is 250 cm3 under a pressure of 35 kg/cm3, solve for the pressure applied to have a volume of 180 cm3. Be sure to define your variables, find your constant variable, construct your variation equation...
78. ### Math

Bus A leaves interchange 6 minutes, Bus B leaves 12 minutes later, Bus C leaves 18 minutes later. If all buses leave at 6 am when will all 3 buses leave at the same time again. Kindly show workings and explantion to problem. Thank you
79. ### Geography

Sorry to bother you again! A map that shows a man-made feature is a: A. political map B. physical map C. mercator map D. thematic map Is it A?
80. ### math

how long will it take to earn \$787.50 on \$5000 at 5 1/4%(percent) what is the rate it is compounded? annually, semi-annually, monthly, what? dat information is not given aren't you supposed to be using the interest rate formula? if so, then u have two variables missing, the n ...

19. Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of television Julia can still watch this week. 20. You are a member of your local movie theater’s club. ...
82. ### chemistry

The combined gas law can be rearranged to solve for T2. In which of the expressions given below has the combined gas law correctly been rearranged to solve for T2?
83. ### Physics

I posted something concerning this question earlier.. and thank you for checking and letting me know of my mistake. I said that for a given velocity, the height does not depend on the mass of the ball. How could I explain this, besides the fact that when calculuting it, I don'...
84. ### english

which word would be the best word to use in this sentence... My aunt has only______success in quitting smoking.Every few monthsshe ____sto temptation,and then she has toquit all over again. succomb and curtail..Is this correct?
85. ### English

The literary device of foreshadowing is used in which of the following excerpts ? Answers are They're spoiled and we're spoiled Those screams and they sound familiar I have a feeling it'll be africa again before then They're not old enough to do that alone I explained Thank You
86. ### To - Ms. Sue

Hello Ms. Sue, I have some fortunate news, the principal gave me out a tutor. I called her, and she seems very nice. Again, thank you. And, is it applicable if we come here? With kind regards, Mrs. Esther
87. ### Algebra

please help me with this question and check my answers. Solve the problem. A rectangle with width 2x + 5 inches has an area of 2x4 + 9x3 - 12x2 - 79x - 60 square inches. Write a polynomial that represents its length. ( I don't know how to solve this problem) Use synthetic ...
88. ### Calculus - Taylor

could you please help me with solving this problem? #1) Find the Taylor polynomial Tn(x) for the function 'f' at the number 'a'. f(x) = sqrt(3+x^2) ; a=1; n=2; my work so far: f (x) = sqrt(3+x^2) = (3+x^2)^(1/2) f ' (x) = (1/2)(3+x^2)^(-1/2) f '' (x) = (-1/4)(3+x^2)^(-3/2) f...
89. ### math

If bus 1 and bus 2 leaves the station every 20 minutes and bus 2 leaves every 25 minutes...then what time will they leave the station at the same time again?
90. ### history

What does this quote mean? "A President can never be heedless (or neglectful) with public opinion" Thank you for using the Jiskha Homework Help Forum again. "a President must listen to what the public says."
91. ### Dr.Bob => Can you see the post down the pg by me

I'm trying to post this again..(assuming you didn't see the one below) I posted a question yesterday. I was hoping to catch you before you left on your getaway. =D
92. ### social studies

again with the articles haha "An article on Abraham Lincoln's rise to the presidency (this should NOT be about his presidency but what he had to do to become president and his struggles to become one)"
93. ### To "bob"

Please don't ever post whole lists (tests? Homework?) of questions and answer choices here again. We do not take tests or do complete homework assignments for students. =(
94. ### chemistry

A 1.0 L solution has 10.00 grams of CaCl2 dissolved in it. What is the Molar solubility of AgCl in this same solution? The Ksp for AgCl is 1.6 x 10-10 at this temperature. Hint: watch out for the common ion again.
95. ### Probability

A man has 3 pennies, 2 nickles, and 3 dimes. If he draws 1 coin randomly then replaces it and selects again randomly. What is the probability of getting less than 10 cents if his 1st draw was a penny?
96. ### English

A: I think honesty is the best policy. 1. Me too. 2. Same here. 3. I have the same idea. 4. I agree with you. 5. I think so, too. 6. You can say that again. 7. That makes two of us. (Are the responses all correct?)
97. ### message for Dr. BOB

Dear Dr. Bob, I just wanted to thank you. You helped me graduate from college by helping me with with chemistry and now I am getting my master's degree. You have no idea what you have done for me. Again, THANK YOU!
98. ### Maths

If both the hour hand and the minute hand start at the same position at 12 o'clock, when is the first time, correct to a fraction of a minute, that the two hands will be together again?