88,673 results, page 11

1. ### Algebra check

Convert to Logarithmic equations. 10. 4^-3 =1/64 I have the answer as log4 1/64 =-3 11. 144^1/2 =12 I have the answer as log 144^12 =1/2 Are these answers right?

Translate the following the product of 47% and some number (using q for some number) .47q is my answer correct?
3. ### Algebra II

Please check the following: Solve log4(m-3)+ log4(m+3) =2 Answer: 1 Solve 6^3n=43^5n-4 Answer: 1.1202 Solve 5^2x+1>=50 Answer:x>=4.5000 Use common logarithms to approximate log9(207) to four decimal places. Answer: 2.4270 Ealuate: In e^-9x Answer: -9x Solve 4+3e^5x = 27 ...
4. ### math

would someone check these please 1. find the square root of 25 answer 5 2. find the median of the following set of numbers 33,72,23,27,77,68,85 answer 68 3. find the mean of the following numbers 13, 15,18,18,18,19,22,26,28,33 answer 21 4. find the mode 15,14,10,15,,16 answer ...

2. Once your rocket reaches space, the captain adjusts the speed. Your captain goes from 24,000 km/hr to 17,000 km/hr over 90 seconds. What is your acceleration? Beginning speed= 17,000km/hr Ending speed= 24,000 km/hr Time it took= 90/sec 17000-24000= -7000/90= -77.778km/hr ...
6. ### 7 th grade math

You check 20 batteries.Fourteen do not have a charge. Part a. What is the experimental probability that the next battery you check does not have a charge? Part B. Select an answer from each box to make the statement true If 300,100,240 batteries are tested I would expect 30,...
7. ### math,correction

are these correct now i hope? Problem #1 simplify (m^2)/(8) divided by (m^5)/(16) My answer: (2)/(m^4) Problem #2 multiply (3x-30)/(x^2-4x) times (8x)/(10-x) My answer: (-6)/(x) No. 2/m^3 (3x-30)/(x^2-4x)* (8x)/(10-x) 3*(x-10)*8x /(x-10)(-1)(x)(x-4) x's divid out, the (x-10) ...
8. ### ICD-9-CM codes health care

please check my answer thanks for the help :) Verifying the accuracy of ICD-9-CM and HCPCS codes are an important function in what ? My answer is maintence of the OASIS data set
9. ### french

could you check these? fill in the blanks with ai, as, a, avons, avec, and ont La famille Ghez ---- un bel appartement a Nice. Answer: a Leur appartement ----- six pieces. Answer: ont
10. ### Chem I just need someone to check my answer

arrange the following compounds in the order of increasing polarity HF, H2SE, N2, H2s I believe that the answer is H2Se < H2S < N2 < HF Is that correct?
11. ### math i need help miss sue please check

What is the prime number in this fraction 5/6? Please answer that then have another response to that one. What is the square root of 69? Answer that one then simplify this 20/65.

Chris wants to know his BMI. He is five feet, six inches tall and weighs 130 pounds. What is Chris's BMI? Answer choices: 1. 18 2. 21 3. 28 4. 30 **MY ANSWER** Is it: 2. 21?
13. ### Calculus

I need to find the second derivative of y=x(x-1)^1/2. I found the first derivative is 2x-1/2(x-1)^1/2, if someone could check, but I am miserably stuck on the second derivative.
14. ### Pre-Calculus

Please check: 1.Find polar equation of x^2 + y^2 = 10y r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y

1) Solve the equation: 15(7x-6) = 3x-5 My answer is (-85/108) 2) Mary and her brother collect coins. Mary has 4 times the number of coins that her brother has. Together they have 175 coins. How many does Mary have? My answer is 140 3) Perform the indicated operations. Express ...
16. ### Algebra

Could someone be nice enough to check my answers please? 1)Identify a pattern and find the next number in the pattern. -2,3,8,13 my answer; 18 2)Name the property of real numbers illustrated by the equation. -4(x+4)=-4x-16 my answer; distributive property 3)Solve the compound ...
17. ### Pump power

I have a question in a tutorial, one of these that give the answers in brackets. However, I think the answer given may be wrong. Anyone check this please, if the given answer is correct, how is it worked out. Q A centrifugal pump is required to lift 400 kg of water per second ...
18. ### Math

1. Rishi ram obtained an installment loan for \$3,000.00. He agreed to repay the loan in 6 monthly payments. His monthly payments is \$516.50. What is the APR? MY ANSWER=0.33% 2. Tim Newman took out a simple interest loan of \$1500 at a 10 percent interest for 12 months. After 4 ...

1. Reactions follow the law of conservation of mass. a.) True b.) False Answer: True 2. Reactants are the materials used in a chemical reaction. a.) True b.) False Answer: True 3. In a chemical equation, the mass on the left of the arrow equals the mass on the right. a.) True ...
20. ### Spanish

Can someone check my answers to this? I'm really confused on these practice problems. Thanks! Directions: Using informal, formal, plural and nosotros commands (use Dop's/Iop's if needed) to correctly answer the questions. The names in parathenisis are what form the sentences ...
21. ### Health insurance

Please check my answer thanks for your help :) Hospital that are excluded from the Medicare acute care PPS such as children hospitals are paid based on A reasonable cost B fee schedules C global payments C bundled payments My answer is # A
22. ### How to start your day care facility

Of the following models of education which one is more in use than all of the other models combined? A. Cognitive B. Development- Interaction C.Electic or Traditional D. Behavior Learning My answer is (A) Csomeone check my answer
23. ### Child Care

A method in which children must see and touch objects in order to learn about them is called A. concrete learning. B. hand-eye coordination. C. active learning. D. self-teaching My answer is A can some check my answer
24. ### Chemistry

The emission of high energy particles from the nucleus of an atom is called A. radioactivity B. electromagnetism C. transmutation D. radioactive dating I said A. as my answer. The definition of radioactivity is worded differently in my book though so I wanted to check if my ...
25. ### Math/Calculus #2

Integrate: 1/(x-sqrt(x+2) dx I came up with: (2/3)(2*ln((sqrt(x+2))-2)+ln((sqrt(x+2))-1)) but it keeps coming back the wrong answer even though I integrated correctly. Is there a way to simplify this answer, and if so, how? I found: Ln[x-sqrt(x+2)] + 1/3Ln[(sqrt(x+2)-2)/(sqrt(...
26. ### Chemistry

can someone check my answers thank you. 1)How many grams of hydrochloric acid are required to react completely with 4.30 grams of zinc? answer: 0.1328 g H2 2)How many molecules of gas will be produced? answer: 0.395x10^23 molecules
27. ### Dogs Hunting Training

Please check my answer thank you :) Is the following statement True or False Field trials are competitive events in which dogs can earn championship titles My answer is True
28. ### Science 7R - HW Qs. Check (PLZ read!)

What is the difference between aerobic and anaerobic organisms? My Answer: Aerobic requires oxygen, anaerobic doesn't. Is my answer to this question is correct. Please reply this post! Thank You!
29. ### Science

Can someone check my answer? The deepest parts of the ocean floor are called ____. ridges sea mounts trenches abyssal plains My answer is abyssal plains. Am I correct?
30. ### Pre-Calculus

Rewrite each quadratic equation in the form ax^2+bx+c=0. Then,use technology to solve each by graphing. ROund you answers to the nearest hundredth, where necessary. a) 3x^2+30 = -19x Answer: 3x^2+19x+30 Roots: x = -3 b) 6x^2= 25x-24 Answer: -6x^2+25x-24=0 Roots: x = 1.5 c) -33...
31. ### English

Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. Are you finished? Then, I'll check the answers. Look at the answers on the blackboard. Check your answers. How many students have 10 points? Are ...
32. ### dog behavior

pleaplease check my answer thanks so much Which of the following best describes when extinction occurs A When a CS is repeatedly presented and periodically followed by a US B When a CS is repeatedly presented without the presention of a US C CS and US are presented together D ...
33. ### Biology- check my answer (diff one)

Which of the following are true concerning living things? Check all that apply. A)They contain a vital force absent in nonliving things. B)They are composed of molecules that contain carbon-carbon bonds. C)They undergo chemical reactions to use energy they acquire from the ...

Please help. The restaurant provides catering services to local businesses. Corporate clients paid by check or electronic transfers. A new customer paid for a catering order with a check for \$575, made payable to the restaurant. Woods took the check to the bank the next ...
35. ### Pre-Calculus

Given that SIN Theta = -1/sqrt(10) and theta is in quadrant 4, find sin2theta and cos2theta. I'm not sure how to properly square the -1/sqrt10 and keep an exact answer other than decimal. Otherwise, my final answer is 1.632455533
36. ### Calculus Help Please!!! Urgent!!!

If x^3 - y^3 =3 , use only implicit diff. to find d^2y/dx^2 . Express your answer in terms of x and y only and write is as a proper fraction that is completely simplified as much as possible. d^2y/dx^2= -6x/y^5 (this is the answer I should get but i don't know how to show ...
37. ### TRIGONOMETRY

Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4. Transform each polar ...
38. ### math

is this correct? 6k-9=15 k=4 I just want to know if i did it right yes you are correct You didn't show your work so I don't know if you did it right or not. Your answer is correct. i did 9=15 which equal 24 and i divided that by 6 which =4 so k must equal 4..........did i do ...
39. ### Physical Science

Hello! Thanks for checking my question out! ____ Fill in the Blank 9. Materials can be classified as solids, liquids, or gases based on whether their shapes and _______________ are definite or variable. (1 point) My Answer: volumes Can someone please check my answer? Thanks...

Which of the following of protections under the establishment clause of the first amendment? Select 2. -A father objects to his sons school including a daily prayer <<< -an Amish family objects to a law requiring schooling until age 16 -restrictions are placed on the ...

Please check my answer to see if I got it right. Thanks. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math ...
42. ### Calculus

integral 1 to 500 (13^x - 11^x) + integral 2 to 500 (11^x - 13^x) dx = (answer: 14.946) I tried typing the integrals in the graphing calculator to get the answer, but it says overflow. Any help on solving this? Thanks!
43. ### Calculus

1.) Consider the graphs x+5y=17 and x+7=y^2 where a=7 b=2 c=57 f(x) = ? g(x) = ? I have solved for a,b, and c but I can't figure out f(x) and g(x) For f(x) I thought it was (17-x)/5 but it's not the correct answer. For g(x) I thought it was the sqrt(x+7) but it's also not the ...
44. ### Calculus

Can someone give a detailed solution to this integration problem? âˆ« dx /(3(1 - x^2 ) - (5 + 4x)âˆš(1 - x^2)) this symbol âˆš is square root The answer is ( I need the steps and/or u-substitution used to arrive at this answer ) (2âˆš(1 + x)/(3âˆš(1 + x...
45. ### Calculus

Evaluate lim x->0 (Sin^3 3x - 3x^3/x^3 x^4) I got zero (0) to be my answer by imputing 0 in place of x but am not so sure if the answer should be 0, am thinking it should be like 1/0 or something like that.
46. ### Calculus

How do I solve for lim h->0 (((a+h)^2 + 1)/(3(a+h)+7) - ((a^2 + 1)/3a + 7)) and then all divided by h? The question was use the limit definition to find the derivative of f(x)= (x^2 + 1)/(3x + 7). I tried solving what I did above, but had no luck. I used wolfram alpha to ...
47. ### Calculus

Estimate the area of the plane region bounded by the graph of f(x) = e^x, the x-axis, and the vertical lines x = 0 and x = 8 using the trapezoidal method with trapezoids of equal width. Round your answer to 4 decimal places. I got the answer 6892.7480 but it was incorrect and ...
48. ### Chemistry/Science

Can you check my answers thanks. Directions: State which statements are true and false. 1. Carbon atoms can bond together in straight chains, branched chains, or rings. Answer: True 2. Isomers are compounds with the same simple formula but different three dimensional ...
49. ### precalculus

can you check my answers? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. answer: 1 Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. -1, -3, -1, 5, 15 answer: -2, 2, 6, 10; quadratic...
50. ### science...help

please check my answer ....plz... the question is: how is the size of the minerals grains affected by the rate at which molten rock materials cools? and i think the answer is : the bigger the grains the faster it cools.
51. ### calculus

1)Which of the following results in the graph of f(x) = x2 being expanded vertically by a factor of 4? the answer is f(x) = 4x2. can you explain how. 2)Which is true for the graph of y=(x^2-9)/(x^2-4). the answer is vertical asymptotes at x = ±2 . please explain.
52. ### Calculus

Find the average interval of function 3x^3-12x^2 on the interval [-5,4]? My answer is 114.75 but when i put it on submission , it tell me that its wrong not sure why kindly help and tell me right answer

Could someone check my answers for these two questions, please? What is the equation of the line which includes points (2,6) and (0,0) y = -3x+1 y = -3x y=3x ( my answer) y = 3x+1 Equation of line with slope m = -3 and including point (5,) is y = - 3x+20 I think its true when ...
54. ### Pre-Calculus

1) j(x)=-2/3x what is j(x)'s y-intercept? answer: (0,0) 2) k(x)=4 what is k(x)'s slope? answer: 0 3) g(x)=2x-5 what are the root(s) of g(x)? 4) the slope of line p if p is perpendicular to line f are the answers i provided correct? and please help me on 3 and 4

The size of an organism is most likely determined by...? Answer choices: 1. its genes but not its environment 2. its environment but not its genes 3. its genes and its environment 4. neither its genes nor its environment MY ANSWER: 3. its genes and its environment
56. ### Romeo and Juliet (Check answers pplz hurry)

Could you please check these answers from Act 1 (Review it's only 5 questions) 1.What warning does the Prince issue to the Capulets and Montagues? Answer: The Prince warns to the Capulet's and Montague's is if anyone fights they will be put to death. 2. What agreement is ...

A restaurant has 11 booths and 12 tables. Write the ratio of booths to tables as a fraction. is the answer 11:12 or 11 to 12 or 11/12?
58. ### Analytic Geometry CHECK MY ANSWER

What is the slope of the line that passes through the points (2, 3) and (2, 6)? Option A: -3/2 Option B: -3/4 (MY ANSWER) Option C: 3/4 Option D: 0

What polynomial could you subtract from 5x^3 - 12x - x^2 + 9 - 12x^5 - 6x^4 to give a difference of 19 + 8x^3 - 18x - 19x^5 - 2x^2 - 8x^4? Is the answer k (the polynomial) = 7x^5 + 2x^4 - 3x^3 + x^2 + 6x - 28?
60. ### Math Check

1.) Find 1/2([5 -2 4 0]+[14 6 -18 9]) A. [19/2 2 -7 9/2] B. [-9/2 -4 -11 9/2] C. [ 19/2 2 -7 9] D. [19 4 -14 9] My answer: C. 2.) Is it possible to find AB when you are give A= [3 2 1] and B= [2 3 0]? (this 2, 3, 0 is suppose to line up like up and down.) A. [12] B. [6 6 0] C...
61. ### Algebra-Please check my work

Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=o/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = ...

Posted by JoniAnne on Wednesday, October 20, 2010 at 11:50am. Please check- Solve 3 > sqrt(3x) 3x >=o x>=0/3 x>=0 square both sides and you have 3x < 3^2 3x,9 x<9/3 x<3 answer is 0<=x<3 correct or not? 3(cube) sqrt(2-5) = 3 cube both sides = 2-5x = ...
63. ### Calculus

What is the local linearization of e^x^2 near x=1? Is the answer 1+2x
64. ### Calculus

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ... I keep on getting the wrong answer.
65. ### Calculus

Need the answer to find dy/dx y=(1+cos^4(t/12))^3
66. ### calculus

find the domain of function f(x)= (5x + 4)/(x^2 + 3x + 2) is the answer.. x can't be -2 or -1?
67. ### Calculus 1

Calculate f'(-1) f(x) = x^7 * h(x) h(-1) = 5 h'(-1) = 8 Answer is 27, but I got no idea how to get there.
68. ### calculus

y = log7(x^2 - 6x - 2) this is base seven is the answer 2x-6/(x^2-6x-2)

70. ### math-calculus

|3-x|-1 = |4x+2| i try to do this and i not get correct answer which be -4/3 and 0.

72. ### Calculus

If e^x = 243 and e^y = 32 then e^((3x + 4y)/5) =? The answer is 432, but I don't understand why.
73. ### Calculus

Find the slope of the curve f(x)=1/(x^2+3). My answer: (-2x)/(x^2+3)^2
74. ### Pre-Calculus

Evaluate. 1-|200+||-2|(-5)^3|| I get 49 as an answer
75. ### Calculus

Differentiate y=[(8x-x^6)/(x^3)]^(-4/5) My answer: [4x^3(16+3x^5)]/5 • fifth root of [(8x-x^6)/(x^3)] ^9
76. ### Calculus

Find the derivative of the integral from x to 6 of ln(1 + t^2). My answer is -ln(1+x^2).
77. ### Calculus

Find dy/dx for y=3tan^-1(x/2). I know the answer is 6/x^2+4 but I'm stuck at y'=3(1/1+(x/2)^2)(1/2)
78. ### algebra

is this right? Divide and check: 12x^3y^2/2x^5y^2 answer: 6x^-2
79. ### Algebra II (check)

Assume that no denominator equals 0. (2x-3)^2 = 2x * 2x -3 * -3 = 4x-9(answer)
80. ### Algebra II (check)

Assume that no denominator equals 0. 2+i/1-3i = 2+i/1-3i = (2+i/1-3i) * (1+3i/1+3i) = (2+3i^2)/(1-9i^2) = (2/1) - (1/3i) = 2-1/3i(answer)
81. ### Math check

(3+sqrt x)(4- 3sqrt x) is the answer 12- 5sqrtx-3x?
82. ### Math check

Divide and simplify to the form a+bi. (-8+i)/(2-3i) Is the answer (23/13)+(43/13)i
83. ### Math Algebra check

Solve: 3x^2-11=0 Is the answer" +- sqrt11/3?

85. ### Bobpursley plz help

Can you please check my answers 3. Tx=2x+1,XW=x+7;TW Tx+XW=TW 2x+1+x+7+TW 3x+1+7=TW Answer: 3x+8+TW 4. WX=X+5,TW=4x+5;TX WX+TW=TX x+5+4x+5=TX 5x+5+5=TX 5x+10=TX
86. ### math

can someone please check my answer? -9<==4x-8<==-7 {x l -1/4 <== x <== 1/4} is this correct??
87. ### Math

Explain how you could estimate 22% of 78 to check if your answer is reasonable.

89. ### Math(factoring) plz check

bx - by ANSWER: FACTOR b(x+y)

91. ### english

ms sue can u plzzz check my 1nd answer

stem-and-leaf plot 3| 7 8 9 4| 1 3 7 5| 2 4 37, 38, 39, 41, 43, 47, 52, 54 *** 73, 83, 93, 14, 34, 74, 25, 45 7, 8, 9, 1, 3, 7, 2, 4 37, 38, 39, 14, 34, 74, 25, 45 =
93. ### Math

How can you check the answer to a decimal multiplication problem?
94. ### Math

Can someone check my answer down below?
95. ### Math

2/3 x 4 1/5= 21/5 x 2/3=42/15 42/15=2 12/15 Please check the above answer Ms. Sue. Thank you
96. ### Mathematics

Find the slope line of (1,4) and (2,1) -3 3•• -1/3 1/3 Check my answer
97. ### Alegebra

Please check (5^3) (5^9) is the answer 60 Need help with this one (3x-2) and (5x^2+3x)
98. ### Compound Inequalities

Solve. 5 < x - 2 < 11 a. 5 < x < 11 b. 7 < x < 13 c. 7 < x < 11 d. 5 < x < 16 My answer is b. Can you check my work?
99. ### Math

How can you check the answer to a decimal multiplication problem
100. ### Algebra2(check)

Would someone please check my answer for me? 1)The equation x2 + (y + 4)2 = 49 models the boundary on a local map for which Darren can hear his friend Tom on his two-way radio when Darren is at home. How far (in miles) can Tom walk from Darren's home and still be heard? 3.5 ...