Algebra, help + check please

106,914 results, page 71

  1. Math: please check

    Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of 16) the digits from the set 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. If one slip is drawn at random, what is P(odd number or a consonant)? ...
  2. Please check my calculus

    A conical tank has a height that is always 3 times its radius. If water is leaving the tank at the rate of 50 cubic feet per minute, how fast if the water level falling in feet per minute when the water is 3 feet high? Volume of a cone is V=1/3(pi)r^2h A. 1.000 B. 5.305 C. 15....
  3. Math help please check

    Add or Subtract for #3-4 3. (2x2 + 6x + 1) + (–7x2 + 2x – 3) 5x2 – 4x – 2 –5x2 + 8x – 2 5x2 – 8x + 2 –9x2 – 8x + 2 4. (3x2 – 7x – 4) – (6x2 – 6x + 1) –3x2 – x –5 –3x2 –13x + 5 9x2 – x + 5 3x2 – 13x – 5 My answers: 3. 5x2 – 8x + 2 4...
  4. math

    The area of a rectangle of length l and width w is given by the formula A = lw. Ann's backyard is rectangular with a length of 36.8 yards and a width of 27.9 yards. Find the area of Ann's backyard. 36.8x27.9=1026.72area of ann's backyard can someone please check my answer?
  5. Physics(please check)

    X=(Vo cos Q) t X=(3.107 cos 0)(0.443) I just wanted to make sure that I put this equation into my calculator correctly. I have a TI-30 so first I put in 0 then cos to get 1. Then I multiplied by 3.107 to get 3.107 and then multiplied by 0.443 to get 1.376 . Did I do this ...
  6. Math

    a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.
  7. English

    Can you please check these ideas on stress and young people, please? Thank you vey much for helping me finding an excellent site on science!! 1) The two things teenagers are most stressed about are how to make new friends and how to improve their school performances. 2) Their ...
  8. algebra

    A. The speed of train A is 6mph slower than the speed of train B. Train A travels 220 miles in the same time it takes for train B to travel 250 miles find the speed of each train solve and check: q+9/3 + 9-4/4 = 13/3 simplify by removing factors of 1 : 7y-14/7y add: x+6/x + x/...
  9. English Expression

    One person is very tall, but the other is very short. The big man is wearing a hat, a green jacket and yellow pants. The short man is wearing a blue hat, a white jacket and black pants. ----------------- Is the passage above grammatical? Would you check it, please?
  10. geography

    Can you please check my answers? 1. Which is larger, the Red Sea or the Mediterranean Sea? The Mediterranean Sea 2. How many degrees are there between the Tropics of Capricorn and Cancer? There are 46 degrees between them. 3. What is the capital of Turkey, a country which ...
  11. Chemistry(Please just check, thank you)

    1) The approximate pH of a 3.0 X 10^-3 M solution of the strong acid H2SO4 is? I did pH= -log(3.0 X 10^-3) = 2.5 2)If HCLO2 is a stronger acid than HF, which is stronger than HOCL, then the order of strengths of the conjugate bases of these acids is? My answer is CLO2^-^ < ...
  12. Chemistry(Please check)

    . The insoluble salts AV, B2W, C2X3, DY2, and EZ3, which were formed from the metal ions A+, B+, C3+, D2+, and E3+ and the nonmetal ions V1– , W2–, X2–, Y1–, and Z1–, all have the same Ksp value. The salt with the highest molar solubility is AV B2W C2X3 DY2 EZ3 I ...
  13. Physics

    If a wire of resistance R, resistivity ñ "roe", length L, and cross sectional area A, had its length doubled and radius halved, what would be the ratio of R'/R. Where R' is the new resistance of the wire. I thought it would be 4 times R, giving the ratio of 4R:R' However, I ...
  14. Science Can You Please Check

    1. DNA is found in ____ cells. sex sperm all* no 2. A ____ is part of the DNA code on a chromosome. gene* genotype phenotype gender 3. ____ is defined as either male or female except for rare species that have the ability to change sex. Competition Phenotype Genotype Gender*
  15. Please Check My Work: College Physics

    Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20 m/s can safely negotiate the curve if the radius of the curve is 200m. * Data: v=20 m/s r=200m *Formula TAN(theta)=v^2/rg *Solution TAN(theta)=(20 m/s)^2/(200m)(9.8 m/s^2) TAN(theta...
  16. Biology

    Please check my answer: Which of the following statement is not true? 1). Mitosis produces new nuclei with exactly the same chromosomal endowment as the parent nucleus. 2). Mitosis may occur without cytokinesis 3). Mitosis and cytokinesis are required for asexual reproduction ...
  17. 8th Grade Algebra:Radicals

    { this means means square root How do you solve these kind of radicals: 1. (5-{14)*(3-{2) 2. (4{2+2)*(3{3-1) Can someone show me how to do these correctly please ?
  18. algebra

    find the indicated sum 4 on top of sigma symbol i=1 on the bottom of sigma symbol 3^i on the right side please help me figure this out
  19. algebra 1

    Reiny I posted a question earlier (about 3:00) and I have a question about your solution. How did you get -4x? I came up with -8x which does not allow for anymore reduction. Please let me know how you did it. Thanks!
  20. Pre-Algebra [urgent!]

    I can't find the solution to this problem; can someone please show me how to solve it step-by-step? Solve the equation for y in terms of x: 1. -8x + 5y = 10 Thanks! -MC
  21. algebra

    I need to write an equation of the line containing the given point and parallel to the given line in y=mx+b form (7,9);x+4y=7......can you please help me find the solution
  22. 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
  23. algebra

    This should be simple ( and it probably is). [5-27].-5 divided by -5 -22.-5= 110 divided by -5 = -22 They said this was wrong! -5.-22=+110? Right? Please help my scattered brain! <3 Amy
  24. algebra question

    Please help me answer the following Explain how you would determine if two binomials would produce the difference of two squares.
  25. Algebra II

    I need to rewrite this with rational exponents. (√3mn)^9 I have no clue of what I need to do. Can someone please take me step by step?
  26. Algebra 1

    Translate to an inequality using the variable x. The number of people in the chess club is less than or equal to 21. Please let me know if this is correct. x >= (less than or equal to) 21 Thanks for you help
  27. Algebra 1

    Please help me find the answer to this problem. it would be nice to have the details to how you came by the answer: Radical of 3/4 + radical of 1/3 your help is greatly appreciated
  28. algebra

    Can someone help me figure this out please? when you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? thank you anyone
  29. Algebra

    Use the Quadratic equation to determine the last day that cowboy hats will be sold. cowboy hats = -0.4x^2 + 20x + 10 Please help me work through this.
  30. Algebra

    Solve. Please show all of your work. The sum of twice a number and 4 less than the number is the same as the difference between -32 and the number. What is the number?
  31. algebra

    Which set of numbers does -55 belon? natural whole integers irrational i'm not sure but leaning towards natural or whole. Can someone please help?
  32. Algebra

    How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver? Please help me set this problem up
  33. algebra

    x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please
  34. algebra

    simplify: 6sqrt7-sqrt7 A. 6 sqrt7 B. 5 sqrt 7 C. 5 D. 6 Simplify: 2sqrt12+ sqrt3 A.5sqrt3 B. 3sqrt3 C. 2sqrt15 D. 3sqrt15 Need help on these please
  35. algebra 2

    samara solved 1/5 divided by 10 by using a related multiplication expression. Which multiplication expression did she solve? Please show work and help answer thanks
  36. Algebra please can you ck my work

    Evaluate the given expressions (to two decimal places). log 1.69 =123 log 2^512 = .09 log 2^1 = 0 log o.o46 =1.34 Thank you
  37. college algebra

    compare and contrast the ways in which solving a linear inequality is similar / dissimilar to solving a linear equation please explain
  38. algebra 1

    A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!
  39. algebra 1

    A store’s cost for a stereo was $27. Th e markup was 75%. A customer purchased it on sale at 40% off the marked up price. What was the purchase price of the stereo? Please help!
  40. Algebra 2

    Find the equation for the parabola with the given vertex that passes through the given points. vertex (-4,2) point (-3,0) please show work!!!
  41. Algebra 2

    simplify each expression. rationalize all denominators. assume that all variables are positive (1-sqrt(3x))/(sqrt(6x)) Please show work!!!!
  42. Algebra 2

    How are the real solutions of a quadratic equation related to the graph of the quadratic function? Please help? How do I make a real-world situation out of this?
  43. Algebra 2

    Given the expression 5a^2b – 13ab + 7a^3 – 4b, do the following as instructed below: Put it in decending order. I got 7a^3+5a^2b-4b-13ab. Is it correct? If not please correct me.
  44. Algebra II

    Simplify the complex fraction: x+(4x/y)/(7/3x) I know that the answer is 3x^2(y+4)/7y. I don't know how to get this answer. Can someone please help me walk through this and figure out how to simplify it? I would be so grateful.
  45. 9th grade algebra (factoring with quadratic)

    Can you check the following problems? 4. x^2 - 10x +25 = 9 x^2 - 10x + (25 -9) = 9 - 9 x^2 - 10x + 16 = 0 (x - 8)(x-2) = 0 x - 8 = 0, x - 2 = 0 x = 8, x = 2 5. x^2 - 6x + 9 = 49 x^2 - 6x + ( 9 - 49) = 49 - 49 x^2 - 6x - 40 = 0 (x -10)(x + 4) = 0 x - 10 = 0, x +4 = 0 x = 10, x...
  46. algebra

    Can some kind soul please assist me with this question? :) Simplify the expression. Use only positive exponents: (4p^2q)(p^2q^3) Bless you! 4 p^4 q^4 Exponents add when multiplying Even when there's two sets of parenthesese?
  47. Algebra

    Write the verbal sentence as an equation, or an inequality: Fifty multiplied by the quantity twenty divided by a number n is greater than or equal to two hundred fifty. Am I on the right track: 50 * 20 / n > 250 - Please help me...
  48. algebra

    How do I solve this with the elimination method? 5x-10y=4 5x-10y=5 I need x=, and y= to get an ordered pair, but every time I mult. by a neg, everything goes away instead of just one variable! please help!
  49. Algebra I

    I have been trying to figure this out for a long time to no avail. Can you please help. Also, are there any rules that help figuring these out? write a rule for the function represented by the graph. domain: 0,3,6,9 range : -2,-1,0,1
  50. math algebra

    not sure about this can someone please help me solve for x using the addition principle x+10=-13 Now I added 10 to both sides 10 + 10 that gives me 20 then I added -13 +10 = -3 my x is the 20 or did I mess this problem up all the way around?
  51. Algebra 2

    Soo the equation is 25y^2-9x^2-200y-36x+139=0 and for the center is got (2,4) and the vertices I got (2,7) and (2,1) But i cant figure out how to find the slopes of the asymptotes and it wants the answer is reduced fraction please explain
  52. Algebra

    I have major issues with problems like these,please I need help. For these systems of linear equations in questions -Determine how many solutions exist -Use either elimination or substitution to find the solutions (if any) 1. y = 2x + 3 and y = -x - 4 2. 2x + 3y = 8 and 3x + ...
  53. ALGEBRA 2

    Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^3-2197 x= PLEASE, help me with this one problem I am stuck on! THANKS!
  54. ALGEBRA 2

    Factor the given expression. Then use the zero product rule and the quadratic formula to solve the problem. There should be three solutions to the equation. x^3-2197 x= PLEASE, help me with this one problem I am stuck on! THANKS!
  55. Algebra

    Please show your work... How do you do this? A taxicab charges $.90 for the first 1/5 mile and $.60 for each additional 1/5 mile. If a customer rides in this cab for m miles (m>1/5) , which of the following functions descibes the cost,c(m), of this tax ride in dollars?
  56. Algebra

    Please show your work... How do you do this? A taxicab charges $.90 for the first 1/5 mile and $.60 for each additional 1/5 mile. If a customer rides in this cab for m miles (m>1/5) , which of the following functions descibes the cost,c(m), of this tax ride in dollars?
  57. Pre-Algebra

    Can someone PLEASE explain to me what the formula is for finding the surface area of a pyramid? I am on this lesson from my school and I can't quite understand what the formula is. If you can also give an example of a problem, that would be great! :)
  58. algebra

    Solve using the Quadratic Formula (Find all complex-number solutions.) x2 + 4x + 6 = 0 I do not get this at all and this is just practice exercise. Please help as I have a test next week and if I do not get at least a C, I will not graduate. Thank you Thank you!!
  59. Algebra HELP!

    Solve by substitute: 1) y=2x-1 2x+2y=22 Solove by emlimination: 1) 5x+4y=-83 3x-3y=-12 Solve using a method of your choice: 1) x+2y=23 5x+10y=55 2) y=x+1 2x-2y=-2 Please help me I don't understand any of this, it's my second day of school and I already feel like a failure and ...
  60. algebra

    I previously made a mistake by leaving out an exponent from this expression;Steve wisely pointed out the error.Thank you. Will you please simplify the corrected problem. (4t)^-2 t^0/t^6 v^-8 Thank you so much.I'll be more careful in the future.
  61. Algebra -repost

    I am reposting my question. Thank you Bob for explaining how to write it.. In ASCII format: (8x^2y^0z^6)2^ + 3x^2z^12 + 5y^0z^12 64x4^y2^z8^ + 3x2^ + z12^ + 5y0^z12^ 64x6^ + 5y2^ + z32^ Please let me know if these makes sense now. Thank you
  62. Math - Algebra

    Simplify and solve for x=2 and y=5. Please remember to group like terms. 1. 3x - 2y + 4x -3y 2. y + x - y - x 1. 3x2 - 2x5 + 4x2 - 3x5 6 - 10 + 8 - 15 2. 5+2-5-2 7-5+2 yah i think that's how to solve it, basically sub in the x and ys and solve
  63. Algebra

    Pretend the parentheses are absolute value bars. What is the graph of y = (x) and its translation to the graph of y = (x + 3)+1? I know I can't post the graph picture here, but I'm confuzzled on how to solve the problem. Please explain how! Thank you so much! <3
  64. Maths: Algebra Matrices Class 12th

    matrix{{0, 1, -1}, {2, 1, 3}, {1, 1, 1}} matrix{{1, -1, x}} matrix{{0}, {1}, {1}}=0 Find the value of x Don't give me the direct answer. Please tell me how to go about this. Draw in your notebook and then solve

    Jim paddles a canoe upstream at a rate o 3mi/hr. Traveling downstream, he travels at 8 mi/hr. What is his rate in still water and what is the rate of the current? PLEASE SHOW THE SOLUTION EQUATION
  66. ALGEBRA 1

    A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION
  67. Grammar and Composition

    please help me with this && check what i have: List 10 verbs for the word "said" that make it more specific. 1. supposed 2. whispered 3. told 4. spoke 5. believed 6. announced 7. claimed 8. conveyed 9. mentioned 10. told List 10 nouns for the word "building" that make it more ...
  68. Math Help and check

    The weights of ripe watermelons grown at Mr. Smith's farm are normally distributed with a standard deviation of 2 lb. Find the mean weight of Mr. Smith's ripe watermelons if only 5% weigh less than 18 lb. (Give your answer correct to one decimal place.) Incorrect: Your answer ...
  69. history

    please check these: To help improve conditions for migrant farm workers, Cesar Chaves organized a. a march on Washington b. a suite in the Supreme Court c. consumer boycotts of produce picke don nonunions farms d. the Mexican American Legal Defense and Education Fund C In the ...
  70. Pre-Cal(Please check)

    Approximate the equation's solutions in the interval (0,2pi) sin2x sinx = cosx 2cos(x) (1/2-sin^2x) = 0 Then I got 3pi/2, pi/2, pi/6 and 5pi/6 Then I substituted 0-3 and got 3pi/2 , 5pi/2 , 9pi/2 , pi/2, pi/6, 7pi/6, 13pi/6 , 19pi/6 , 5pi/6 , 11pi/6 , 17pi/6 and 23pi/6. My ...
  71. geography

    The Beaufort Sea touches what two North American countries? Canada and the United States 2. Are there any states located south of 25 degrees N latitude? If so, which one(s)? Yes, Hawaii. 3. What line of latitude falls halfway between the Tropics of Capricorn and Cancer? The 0 ...
  72. Social studies

    which of the following is true about textiles and georgia economy 1. the states textile industry has found it difficult to complete with overseas textile industries 2. four major carpet companies are located in goergia 3.georgia is a world leader in carpet production 4.much of...
  73. Social Studies Check answer Please

    How did Spain's refusal to destroy Negro Fort affect Florida? A) It led General Jackson's troops first invasion of the territory B) It gave the seminoles an empowered stance against the United States**** C) It showed that Spain did not view General Jackson as a significant ...
  74. Is it possible if you guys can check my algebra HW

    two bags had 100 kilograms of sugar each. After taking out 3 times as much sugar from bag one than bag two , bag one had half as much sugar was bag two.How much sugar is left in each bag? i got 9 kilogram in bag on 1 and 0 grams in bag 2
  75. algebra

    Help me solve this problem please, I have tried so many time.I can not seem to get the problem right. x +12 <-8 or x+12>2 x+ 12 < -8 =x +12 > 2 x =4 > -10 is this right
  76. algebra

    please help! The width of a rectangle is 4ft less than the length. The area is 12 ft sq. Find the length and the width.
  77. algebra

    input = x output = x -2 so if i have 4 in the input box what would the output be please show how you got it
  78. Algebra

    Please let me know if I simplified this correctly. Simplify: -5w squared + 23-(29-4w squared +9) -5w squrd + 23 - 29 + 4w squrd -9 -1w to the fourth power + -15 Thanks!!!
  79. Algebra

    Each ordered pair is a solution of a direct variation. Write the equation of direct variation. (2,10) (8,2) (7,21) (2,-16) Please Help!
  80. algebra

    use the Substitution Method. Please give it a try. y = 3x + 4 5x + 3y = 12 Why is the substitution method preferred in this case?
  81. algebra

    What is the value of the expression 2x to the 2nd power + 3xy -4y to the 2nd power when x = 2 and y = -4? please show how to solve this
  82. Algebra I

    How do you make an equation that's perpendicular to the equation y=x+5? The given points are (3,-3) Please help and explain step by step thank you!
  83. algebra 2

    take the square root of problem square root 64^6 please show all work
  84. algebra 2

    take the square root problem square root 196x^12 show the step please thanks
  85. Algebra -Please help me

    an equilateral triangle has a side of length 2x-3. Its perimeter is 51 inches, find the length of each side
  86. Algebra 1

    Are 8x^2y and -5yx^2 like terms? Explain. I'm not 100% sure, but I think they are like terms. Please help!
  87. Algebra I need help

    I need help with examples for power of a quotient property and property of a negative exponent Please help
  88. dressmaking

    EXAMINATION 04202500 ALTERATIONS AND FITTING I NEED TO CHECK 5 ANSWER, (1) The shoulder seam of the garment with a set-in sleeve is usually located so that it is (A) easily seen in a straight back view, (b) clearly visible in a straight front view.(C)in line with the underarm ...

    can anyone help me with my math please?
  90. Algebra 1-- Please, help me!

    Solve 2x - 3y = 9 for y. Solve 2a + ab = c for a.

    I'm having trouble with this question on arc length: y=lnx, (squareroot)3/3 greater than or equal to x less than or equal to 1 It sounds as if you want the length of the y = ln x curve from x = sqrt(3)/3 (0.57735..) to 1. The formula for the arc length of a line y(x) is Length...
  92. English

    Please check for any errors and correct them for me. Enclosed is the information you requested concerning our float trips down the Colorado River in the Grand Canyon. All departure dates and prices for the various trips are listed in our booklet. At this time the trips leaving...
  93. English

    Can you check the grammar in the following sentences, please? Thanks a lot for your last corrections! 1) It was fantastic to see how the sky changed from dark blue to violet and finally to yellow. 2) I drank an orange juice. 3)In the morning I put my clothes on (or better I ...
  94. college algebra--please help

    solve the following inequality 70x-51<70/x I get this--but I do not know how to write the final answer in a solution set 70x-51<70/x 70x^2/x - 51x /x - 70/x < 0 70x^2 - 51x - 70/x <0 (10x + 7) (7x - 10)/x <0 x=0 (10x + 7)= 0 (7x - 10)=0 Can you please help me to...
  95. sixth grade math

    Find the percent of each number. 1. 5% of 220 files Answer is 110 2. 360 kilometers is 24% of ___ kilometers. Answer is 864. 3. At a shelter, 15% of the dogs are puppies. There are 60 dogs at the shelter. How many are puppies? Answer is 25 puppies Can someone check my answers...
  96. Chemistry

    Hi! Thanks for checking my question out! ____ 2. Which of the following takes place during a redox reaction? (1 point) a) Electrons are gained only. b) Electrons are lost only. c) Electrons are both gained and lost. d) Electrons are neither gained nor lost. My Answer: C Could ...
  97. Theoretical&Experimental Probability please help!

    Please check my work thanks!! A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6 <--- i think this one B. 2/6 C. 4/6 D. 3/6 2. P(number ≥ 3) (1 point) A. 4/6 B. 1/6 C. 2/6 <-- this i think D. 5/6 3...
  98. Spanish-Please check also

    hago-hice tiene-tuvo corremos-corrimos juego-jugué son-fueron juegan-jugaron piensa-pensó pienso-pensé entienden-entendieron tienen-tuvieron andan-anduvieron patinan-patinaron corren-corrieron pescan-pescaron hacen-hicieron pregunta-preguntó doy-di digo-dije viajo-viajé ...
  99. Foreign languages

    Could you please check these sentences? Thank you,Writeacher. 1) In the first part if the novel she writes letters to her parents asking them for advice. However, she resists all her master's advances protecting virtue. 2) As a reward, he proposes marriage to her and she ...
  100. Cultual Diversity

    1.The instructional strategy that works best to give a child from a culturally different background a sence of security and mastery is: a. recounts b.repetion c.using an intermediary d.eventcasts 2.Young children are more likely to demonstrate early literacy skills where: a, ...
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