# math..solve for u again

155,622 results, page 60
1. ## Math

Find the vertex of F(x) by using the formula for the x-coordinate of the vertex. F(x)= 4x^2 - 3x - 6 I don't exactly understand this question. could someone clear it up and help me solve it? Thanks!!
2. ## Math

I'm trying to enter this so it shows up to what I need, but I need to know how to solve for the missing Letters: ABCD X 4 ---- DCBA It reads ABCD times 4 and the 4 is under the D.
3. ## Math-Geometry

I am having a difficulty with solving proofs, such as triangle proofs for my homework, is there any tips and tricks to be able to solve them?
4. ## math

how would you solve a problem where someone drinks 4 to 7 sodas per week. What is a reasonable number of sodas they will drink in 8 weeks?
5. ## math

Solve the equation for n n!/(n-2)! = 90 I get n= 10 but when i plug 10 back into the equation i don't get 90 to check... My work: n!/(n-2)! =90 n(n-1)(n-2)/(n-2)! =90 i cancelled the n-2 and expanded the n(n-1) n^2 -1n -90 =0 (n-10)(n+9) = 0

Three different rectangles have an are of 28 square units. What are the possible whole-number dimensions of the rectangles? Can someone please help me how to solve this problem?
7. ## math

A box contains 12 lightbulbs. Find the number of ordered N samples of size 3: (a) with replacement (b) without replacement Also, please do Not solve.
8. ## Math

Solve by completing the square x^2-18x=10 Could you please explain this process. I have read through the text over and over and I just do not understand the process.
9. ## math

Solve the equation algebraically. Round the result to three decimal places. log4 x - log4(x-1) = 1/2 I have no idea how to do this. Please help!
10. ## math

Please help me solve this question. Find the value of the annuity. a=1000 I=0.06,n=25? what is the future value of annuity? (round to the nearest cent.)
11. ## math

1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!
12. ## math

solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20
13. ## MATH

Solve the equation. (Enter solutions from smallest to largest. If there is no solution, enter NONE in the answer boxes.) x2 - 5x + 5 = 0
14. ## Math

How do you solve this equation in numbers five times the diffrence of twice a number and three decreased by the sum of the number and eight equals 13
15. ## Math

Complete the table Yards is blank Feet= 29 Inches= 348 Help find yards Help solve
16. ## math

an 8- acre field can be mowed in 5 hours,how long to mow 1.6 acre?solve show steps

how do I solve for this: If 5/6 is divided by a certain fraction, a/b, the product is 1/4. What is the fraction a/b? Ans: (5/6)/(a/b) = 1/4 = do i need to divide both sides by 1/4 to get (5/6)/(1/4) = (5/6)x(4/1) = 20/6 = need to somehow get a/b by itself
18. ## math

Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
19. ## math

integral of ((1+sin(2x))^0.5)/(sin(x)^2) I tried all kind of substitution, simplification but unable to solve it.Need a hint only no solution please.
20. ## math

Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
21. ## Math

If two circles have the same radius, is having the combined area of the two circles the same as having twice the circumference? This has been bothering me for the past hour and I cant seem to solve it. It would seem likely to be the same.
22. ## Math

So I've been working on solving this system by addition/subtraction and I just can't get the right answer. Her is the system of equations I was given to solve by add/sub: 3x – y = –12 x + 2y = –18
23. ## Math

i don't know how to solve this, i'm so lost. determine the exact value of c cot( 4c- pie/4) + tan ( 2c + pie/4)= 0 please help me!!! THANK YIU
24. ## bobpursley, math,correction

Let n be a postive integer, then n+1 is the next integer. sum the squares of those noumbers: n^2 + n^2 + 2n +1=85 solve for n. so this is what i did. n^2+2n+1=85 n^2+2n=85-1 n^2+2n=84 n=7056+4n

26. ## Math

How do I show that the sum of 2 consecutive integers is always odd? I'm stuck on this question. Can you explain and show how to solve this? Thank you! :)
27. ## Math

solve equation in interval. sec x = -3 -¦Ð ¡Ü x < ¦Ð the answer is x = -1.911 and 1.911 could someone please write the steps to solving this

29. ## math

Use factoring by grouping to solve the following equation. 4x3 + 8x2 − 9x − 18 = 0 x = 1 (smallest value) x = 2 x = 3 (largest value)
30. ## functions math

hi can any one please help me solve this question? logbase2x+logbase2 3= 3 i factored the left side but i have no idea what to do with the right side.
31. ## Math

how to solve: In a survey at a supermarket, 78 out of 120 people surveyed said that they shopped more than once a week. What percent of the people is that?
32. ## Math- Negative and Zero Exponents

Please show step-by-step how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^-4 3. (3x^-2)/y
33. ## Math

how to factor this equation algebraically? 2a^2-84a+70 Thank you for helping me and any help given will be greatly appreciated. And to solve this you probably have to use the factor theorem.
34. ## Math

Use inverse operations to solve each equation. Explain each step and identify the property used to reach step. 19 = h/3 - 8
35. ## Math C30

Equations containing circular functions and unit circle... solve 2cosx sinx + sinx = 0
36. ## Math

Reasonableness. Use the clues to solve the. Riddle. I am between 24and34. You say my name when you count by twos from zero. You say my name when you count by fives from zero. What number am I? 20 21 22 23 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
37. ## Math

The length of a rectangle is 8 cm greater than its width. Find the dimensions of the rectangle if its area is 105 cm. How do I solve?
38. ## math

I need to solve this problem , bought 6 ribbons each ribbon is 1/4 yard long how many yards of ribbons do i need to buy?
39. ## math

what is the constant variation 3.2x+3y=6 4.3x-1=7y-1 write each lineat equation in slope intercepy form 1.x=-2y-7 solve the equation 1.x-15=27

1. The ordered pairs (1, 1), (2, 8), (3, 27), (4, 64), and (5,125) represent a function. What is a rule that represents this function? Y = x Y = 4x Y = x^2 Y = x^3 I don't know how to solve this please help!
41. ## Math

Ok, I'm lost on this.... The equation D=1.2 gives the distance, D in miles that a person can see to the horizon from a height h in feet. Solve this equation for h
42. ## math percents

How do I solve this problem without calculator? I keep coming up with 270 but the calculator says 275 Thirty-three is 12% of what number?
43. ## math cont'd

how would you solve this equation? the measurement of a triangle is 2m more than the base. The area is 17.5m^2. Find the length of the base.
44. ## Math

I still do not understand how to solve the following problem. Please show step-by-step. x = Integral (0 to v) dv/(q^2-v^2) where q = constant the answer is --> x = 1/2q ln (q+v/q-v) 1) Where 1/2q came from? 2) Where ln came from? Is there a formula for
45. ## math

Einsteins famous formula E=mc^2 relates energy E,mass m and the speed of light c. solve the formula for c.
46. ## Math

Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now? Explain.
47. ## Finance math

how do i solve this problem? Find the future value of \$4300 at 4% compounded quarterly for 3 years. future value =
48. ## Math

How many feet are in 2 3/4 miles? (Hint: 1 mile=5280 feet) How do I write a proportion to solve this problem. Please help, thank you.
49. ## College Math II

Solve by any method. x(x + 1) = 12 I am not sure what method to use to show my work and figure out the answer. Can someone help me understand this problem. Thanks.
50. ## math

Solve for X (3x+2)^(1/3)=-2 I multiplied (3x+2)^(1/3) by the power of to cancel the 1/3 I put -2 to the power of 3 as well getting -8 After I subtracted 2, getting me -6 dividing by 3x, I got -2 as my answer. Is this correct?
51. ## math

the sum of a numbers is 15 and their difference is 4. form a pair of simultaneous equations and solve to find the numbers.
52. ## math

Solve using the algebraic method. x+5=15 SHOW WORK thanx subtract five from each side. Do you have an allergy to showing work?
53. ## Math

Solve the following equation =0.017=2x^2/(0.0550-x)(0.165-x). I was told it was 0.00196. But I got like 0.00247. Is 0.00196 correct?
54. ## Math

Solve the system of equations by graphing. Then classify the system.x+y=8x-y=-2
55. ## math

Solve by multiplication principle -2x is greater than 1/9 answer: x is greater than -1/18
56. ## Math

Explain how to solve the following system of equations. What is the solution to the system? 2x+2y+z=-5 3x+4y+2z=0 x+3y+2z=1
57. ## math

How do you solve this? 5x- [1.5 -3.6] [0.2 1.3] [-0.3 2.8]= [-5.6 1.7] 5x/5[-1.5 -3.6] [0.2 1.3] [0.3 -2.8]=[-5.6 1.7] x = [-1.5 3.6] [0.2 1.3] [0.3 -2.8]=[-5.6 1.7] [-1.5 + 0.2 + 3.6 + 1.3] [0.3 + -5.6 + -2.8 + 1.7] x = [-1.3 4.9] [-5.3 -1.1] I have tried
58. ## Math

Solve each equation. Write each equation in simplest form. -6q + 5.8 = 23.8 A q = 3 B q = -3** C q = 1.83 D q = 4.93
59. ## math

Solve the equation: sin (3x+30°) =√3/2 for 0°≤x≤90°
60. ## math

Connie has 18 and mae has 16 apple also. How many apple they have? Solve in four different ways.
61. ## Math

Can someone solve this showing the steps involved 4^log2(2^log2 5)
62. ## math

solve tan2(x+41 degrees) in real number fo degrees
63. ## Math

cent, cent, scent equals 35128; how do you solve it?
64. ## Math

Solve sin theta=-1 for all real values of theta
65. ## math

solve using set builder notation 5[3M-(M+4)]>-2(M-4) {m|m ____ ____}
66. ## math/algebrall

solve the system of equations:4x - 3y equals 14 and y equals -3x plus 4 i think its either 1(4,10) (2,2)
67. ## math

Solve for x: 𝑦 = 2sin−1(𝑥 −5)
68. ## math

can you show me how to solve linear systems step by step????? 2x+y=5 x-y=1

53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8
70. ## math vectors

If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k with solutions?
71. ## STEVE HELP MATH

53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8

.50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help.

74. ## math

When it says "eight less than twice a number is 12 more than four times the number" will its equation Be, 2n-8=4n+12? And if that is true how could I solve it?
75. ## Math

How do you do this..i have the answer i just need a step by step way to solve this.. sec(sin^-1 (2/5))
76. ## Math

find W solve c=w squared X cubed/24t squared
77. ## math,help

is this correct solve and graph the solution set: -3x+10>25 -3x> 25-10 (-3x)/(-3) > (15)/(-3) x < -5 correct.
78. ## math

solve this problem using the power rule (10x^8) x (10x^10) =
79. ## Math solving for x

In the expression 4x squared + 7 what is the degree of 4x squared? How do I solve for X?
80. ## Math

Solve for the inequality: 1/3^x (1/3^x - 2) < 15 I know the answer is x > - (log 5/log 3), can someone explain me how?
81. ## Urgent Math Help

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

83. ## Math

1.Sally age is 12 years plus half her age. How old is she? 2.Given that: 4x-y+9=0 and 3y-2x=7, solve for x.
84. ## Math

Write a word problem using 7 groups. Solve the problem

Solve the following quadratic by either factoring or using the quadratic formula: 6x2 - 5x = 6 6x^2 -5x -6 = 0 (3x+2)*(2x-3) = 0 Take it from there
86. ## Math help

Please solve it step by step. Integrate: ∫(x^3/(√(x^2+1))dx
87. ## Math

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 How do I solve it? Please help
88. ## Math

Solve for triangle ABC which have angle A =25.25, angle B =60.51 and a =3.82.Find c
89. ## math

a right 90 degrees triangle/ label L,J and K. JK is 7 and angle L is 31.6.solve the given right triangle
90. ## Math

Can you please helop with this problem? Solve this problem: -x/3 is greater than or equal to 2 Thank you
91. ## math

How do i solve a set of equations that are set equal to eachother?
92. ## Math

how do you simplify this expression? -12/3*(-8+(-4)^2-6+2 Can someone help me solve this step by step plzzz!!!
93. ## math

dont know how to solve this equation but I have all the info. m= M + 5 log(d/10)=18+5 x log(5/10)=
94. ## math

Solve the initial value problem d^2x/dt^2+2dx/dt-3x = 0, x(2π) =1, x(2π) = 13
95. ## Math

use linear combinations to solve the system of linear equations. 2x+y=4 x-y=2
96. ## math

How would I solve this equation for x? 0=3.9657(0.9982^x)ln0.9982
97. ## Math

Use Cramer's Rule to solve: 3x-5y=21 and 4x+2y=2. a=3, b=-5, c=4, d=2, e=21, f=2 21(2)-(-5)(2) divided by 3(2)-(-5)(4) =52/26= x=2 3(2)-21(4) divided by 3(2)-(-5)(4) =78/26= y=3 answer: (2,3)
98. ## Math

Please help I have the answer to the problem but can figure the steps to solve it. 1/4 = 3 - 2x-1/n+2 I know the answer is -26/3