Math Homework Answers - Recent questions tagged please answer this queastion as soon as possible. thank you :)
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Powered by Question2Answer A is twice as good a workman as B andtogether they finish a piece of work in 18 days. In how many days will A alonefinish the work?
https://www.mathhomeworkanswers.org/243373/twice-workman-andtogether-finish-piece-days-will-alonefinish
Please I need the workings in EnglishAlgebra 1 Answershttps://www.mathhomeworkanswers.org/243373/twice-workman-andtogether-finish-piece-days-will-alonefinishFri, 23 Jun 2017 13:01:00 +0000A 35 kilos child is sitting on a teeter board at (4.-5, 3.7) and the fulcrum is at (-4.2, 5.6), where units are in feet.
https://www.mathhomeworkanswers.org/243330/kilos-child-sitting-teeter-board-fulcrum-where-units-are-feet
A 35 kilos child is sitting on a teeter board at (4.-5, 3.7) and the fulcrum is at (-4.2, 5.6), where units are in feet. At what point should a 26.5 kilos child sit to be in equilibrium? What is the distance of the second child from the fulcrum?Geometry Answershttps://www.mathhomeworkanswers.org/243330/kilos-child-sitting-teeter-board-fulcrum-where-units-are-feetThu, 22 Jun 2017 11:49:13 +0000A 65.75 lb child is sitting on a teeter board at(-1,-4) and the fulcrum is at (6.5, 3.5) where units are in feet.
https://www.mathhomeworkanswers.org/243329/child-sitting-teeter-board-and-the-fulcrum-where-units-feet
A 65.75 lb child is sitting on a teeter board at(-1,-4) and the fulcrum is at (6.5, 3.5) where units are in feet. At what point should a 39.4 lb child sit to be in equilibrium?Geometry Answershttps://www.mathhomeworkanswers.org/243329/child-sitting-teeter-board-and-the-fulcrum-where-units-feetThu, 22 Jun 2017 11:44:39 +0000A 48.2 lb child is sitting on a teeter board at (-1.5,-4) and the fulcrum is at (6.7,-5) where units are in feet.
https://www.mathhomeworkanswers.org/243327/child-sitting-teeter-board-and-fulcrum-where-units-are-feet
A 48.2 lb child is sitting on a teeter board at (-1.5,-4) and the fulcrum is at (6.7,-5) where units are in feet. At what point should a 32lb child sit to be in equilibrium?Geometry Answershttps://www.mathhomeworkanswers.org/243327/child-sitting-teeter-board-and-fulcrum-where-units-are-feetThu, 22 Jun 2017 11:38:22 +0000A 22 kilos child is sitting at A(-7, -3) and a 47.5 kilos child is at B(1,4), where units are in feet
https://www.mathhomeworkanswers.org/243326/kilos-child-sitting-and-kilos-child-is-where-units-are-in-feet
A 22 kilos child is sitting at A(-7, -3) and a 47.5 kilos child is at B(1,4), where units are in feet. Find the point P between A and B which could be used as the fulcrum of a teeter board putting the two children in equilibrium.Geometry Answershttps://www.mathhomeworkanswers.org/243326/kilos-child-sitting-and-kilos-child-is-where-units-are-in-feetThu, 22 Jun 2017 11:34:32 +0000A 52-lb child is sitting on a teeter board at (-7.5, 1.7) and the fulcrum is at (-1.7, 4.1), where units are In feet.
https://www.mathhomeworkanswers.org/243325/child-sitting-teeter-board-and-fulcrum-where-units-are-feet
A 52-lb child is sitting on a teeter board at (-7.5, 1.7) and the fulcrum is at (-1.7, 4.1), where units are in feet. At what point should a 40 lb child sit to be in equilibrium? What is the distance of the second child from the fulcrum?Geometry Answershttps://www.mathhomeworkanswers.org/243325/child-sitting-teeter-board-and-fulcrum-where-units-are-feetThu, 22 Jun 2017 11:29:33 +0000A 75-lb child is sitting on a teeter board at (-2.5, 3.5) and the fulcrum is at (4.5, -1.5), where units are in feet.
https://www.mathhomeworkanswers.org/243324/child-sitting-teeter-board-and-fulcrum-where-units-are-feet
A 75-lb child is sitting on a teeter board at (-2.5, 3.5) and the fulcrum is at (4.5, -1.5), where units are in feet. At what point should a 37.5 lb child sit to be in equilibrium? What is the distance of the second child from the fulcrum?Geometry Answershttps://www.mathhomeworkanswers.org/243324/child-sitting-teeter-board-and-fulcrum-where-units-are-feetThu, 22 Jun 2017 11:22:48 +0000A rectangle with sides parallel to the axes has vertices at (3,-2) and (-1,-7). a. Find the coordinates of the other two vertices. b. Find the area of the rectangle
https://www.mathhomeworkanswers.org/243303/rectangle-parallel-vertices-coordinates-vertices-rectangle
A rectangle with sides parallel to the axes has vertices at (3,-2) and (-1,-7). a. Find the coordinates of the other two vertices. b. Find the area of the rectangle.Geometry Answershttps://www.mathhomeworkanswers.org/243303/rectangle-parallel-vertices-coordinates-vertices-rectangleThu, 22 Jun 2017 07:06:42 +0000if function satisfies Lipschitz condition of order k at a point c then function is differentiable at c.
https://www.mathhomeworkanswers.org/242989/function-satisfies-lipschitz-condition-function-differentiable
real analysisOther Math Topicshttps://www.mathhomeworkanswers.org/242989/function-satisfies-lipschitz-condition-function-differentiableThu, 15 Jun 2017 17:45:43 +00001+tan60°/1-tan60°
https://www.mathhomeworkanswers.org/242919/1-tan60%C2%B0-1-tan60%C2%B0
Simplify in surd formOther Math Topicshttps://www.mathhomeworkanswers.org/242919/1-tan60%C2%B0-1-tan60%C2%B0Tue, 13 Jun 2017 16:07:46 +0000mixture problem
https://www.mathhomeworkanswers.org/242744/mixture-problem
A pharmacist wishes to strennghten a mixture that is 10% alchohol to one that is 30% alchohol. How much pure alchohol should be added to 7 liters of the 10% mixture?Algebra 1 Answershttps://www.mathhomeworkanswers.org/242744/mixture-problemFri, 09 Jun 2017 09:14:22 +0000Evaluate the inverse laplace transform of the function f(s)=1/s+42-4s/(s+3)^4
https://www.mathhomeworkanswers.org/242021/evaluate-the-inverse-laplace-transform-of-the-function-42-4s
Solve the problemOther Math Topicshttps://www.mathhomeworkanswers.org/242021/evaluate-the-inverse-laplace-transform-of-the-function-42-4sWed, 24 May 2017 19:21:13 +0000a two digit number in base ten is equal to 5 times the sum of the digits. it is 9 less than the number formed when the digits are interchanged. find the number
https://www.mathhomeworkanswers.org/241972/digit-number-digits-number-formed-digits-interchanged-number
Its kinda hardWord Problem Answershttps://www.mathhomeworkanswers.org/241972/digit-number-digits-number-formed-digits-interchanged-numberTue, 23 May 2017 11:26:34 +0000Evaluate the inverse laplace of the function f(s)=s/s²+64
https://www.mathhomeworkanswers.org/241917/evaluate-the-inverse-laplace-of-the-function-f-s-s-s%C2%B2-64
Solve problemOther Math Topicshttps://www.mathhomeworkanswers.org/241917/evaluate-the-inverse-laplace-of-the-function-f-s-s-s%C2%B2-64Sun, 21 May 2017 20:19:26 +0000Determine the laplace transform k(t)=5t²e^-4t + sin(3t)
https://www.mathhomeworkanswers.org/241916/determine-the-laplace-transform-k-t-5t%C2%B2e-4t-sin-3t
Solve problemOther Math Topicshttps://www.mathhomeworkanswers.org/241916/determine-the-laplace-transform-k-t-5t%C2%B2e-4t-sin-3tSun, 21 May 2017 20:16:10 +0000If A=5t²+tj-t³k and B=sinti - costj evaluate d/dt(A × B)
https://www.mathhomeworkanswers.org/241915/if-a-5t%C2%B2-tj-t%C2%B3k-and-b-sinti-costj-evaluate-d-dt-a-b
Solve problemOther Math Topicshttps://www.mathhomeworkanswers.org/241915/if-a-5t%C2%B2-tj-t%C2%B3k-and-b-sinti-costj-evaluate-d-dt-a-bSun, 21 May 2017 20:00:58 +0000Solve d²A/dt² - 4 dA/dt - 5A=0
https://www.mathhomeworkanswers.org/241910/solve-d%C2%B2a-dt%C2%B2-4-da-dt-5a-0
Solve problemOther Math Topicshttps://www.mathhomeworkanswers.org/241910/solve-d%C2%B2a-dt%C2%B2-4-da-dt-5a-0Sun, 21 May 2017 19:22:04 +0000d^2A/dt^2-4dA/dt-5A=0
https://www.mathhomeworkanswers.org/241895/d-2a-dt-2-4da-dt-5a-0
Differentiation of vectorsAlgebra 2 Answershttps://www.mathhomeworkanswers.org/241895/d-2a-dt-2-4da-dt-5a-0Sun, 21 May 2017 15:26:06 +0000find the magnitude of a vector A=3i-2j+2k
https://www.mathhomeworkanswers.org/241825/find-the-magnitude-of-a-vector-a-3i-2j-2k
Mathematical method 4Algebra 2 Answershttps://www.mathhomeworkanswers.org/241825/find-the-magnitude-of-a-vector-a-3i-2j-2kWed, 17 May 2017 20:12:06 +0000The first 3 terms of a geometric and arithmetic sequence are A, B,C. Dertemine the common difference and common ratio
https://www.mathhomeworkanswers.org/241601/geometric-arithmetic-sequence-dertemine-difference-common
In this question they had combined 2 sequencesOther Math Topicshttps://www.mathhomeworkanswers.org/241601/geometric-arithmetic-sequence-dertemine-difference-commonSun, 07 May 2017 13:08:55 +0000A factory producing TV set has been closed this year explain how GDP will be affected and how the change will be detected in the following 1. Expenditure method to compute G.D.P
https://www.mathhomeworkanswers.org/241296/producing-explain-affected-detected-following-expenditure
Under macroeconomics unitOther Math Topicshttps://www.mathhomeworkanswers.org/241296/producing-explain-affected-detected-following-expenditureSat, 29 Apr 2017 13:11:47 +0000Find the total voltage,total capacitor and total storage..given: c1=8f c2=14f c3=18f c4=10f c5=15f v=120
https://www.mathhomeworkanswers.org/241180/find-total-voltage-total-capacitor-total-storage-given-14f
find the total voltage,total capacitor, and total chargeOther Math Topicshttps://www.mathhomeworkanswers.org/241180/find-total-voltage-total-capacitor-total-storage-given-14fThu, 27 Apr 2017 00:52:45 +0000Suppose h(x) = x 4 − x 7 . Evaluate (h −1 (2))4 − (h −1 (2))7 + 2
https://www.mathhomeworkanswers.org/240737/suppose-h-x-x-4-%E2%88%92-x-7-evaluate-h-%E2%88%921-2-4-%E2%88%92-h-%E2%88%921-2-7-2
CGHFGUCTGUFKUKHGFTIUJHYRTOIUFIKHGIKHGCXDRYTGJKUYTIKAlgebra 1 Answershttps://www.mathhomeworkanswers.org/240737/suppose-h-x-x-4-%E2%88%92-x-7-evaluate-h-%E2%88%921-2-4-%E2%88%92-h-%E2%88%921-2-7-2Sat, 15 Apr 2017 03:51:46 +0000joint cost
https://www.mathhomeworkanswers.org/240502/joint-cost
Arkansas Corporation manufactures liquid chemicals A and B from a joint process. It allocates joint costs on the basis of sales value at split-off. Processing 5,000 gallons of product A and 1,000 gallons of product B to the split-off point costs $5,600. The sales value at split-off is $2 per gallon for product A and $30 for product B. Product B requires an additional separable process beyond split-off at a cost of $2.50 per gallon before it can be sold. What is the company’s cost to produce 1,000 gallons of product B?Word Problem Answershttps://www.mathhomeworkanswers.org/240502/joint-costFri, 07 Apr 2017 18:30:35 +0000Gor f(x)={x+1, 1,2-1 if x<1, if 1< not =x<3, if 3<not =x
https://www.mathhomeworkanswers.org/239065/gor-f-x-x-1-1-2-1-if-x-1-if-1-not-x-3-if-3-not-x
f(x) for x=3 and x=0Calculus Answershttps://www.mathhomeworkanswers.org/239065/gor-f-x-x-1-1-2-1-if-x-1-if-1-not-x-3-if-3-not-xWed, 01 Mar 2017 21:31:34 +0000Let f(x)=(x/3)+4 find a value c so that f(c)=c
https://www.mathhomeworkanswers.org/239056/let-f-x-x-3-4-find-a-value-c-so-that-f-c-c
Please help me ASAP thank you so muchCalculus Answershttps://www.mathhomeworkanswers.org/239056/let-f-x-x-3-4-find-a-value-c-so-that-f-c-cWed, 01 Mar 2017 15:55:20 +0000Let f(x)=3x+2 and g(x)=2x+A. Find a value for A so that f(g(x))=g(f(x)
https://www.mathhomeworkanswers.org/239055/let-f-x-3x-2-and-g-x-2x-a-find-a-value-for-a-so-that-f-g-x-g-f-x
Please help me ASAP thank you so muchCalculus Answershttps://www.mathhomeworkanswers.org/239055/let-f-x-3x-2-and-g-x-2x-a-find-a-value-for-a-so-that-f-g-x-g-f-xWed, 01 Mar 2017 15:53:09 +0000Please help my Math homework 2
https://www.mathhomeworkanswers.org/236832/please-help-my-math-homework-2
<p>Please help my Math homework</p>
<p><img alt="" src="http://www.mathhomeworkanswers.org/?qa=blob&qa_blobid=12259589024619648390" style="height:450px; width:600px"></p>
<p><img alt="" src="http://www.mathhomeworkanswers.org/?qa=blob&qa_blobid=1260073621684649120" style="height:314px; width:600px"></p>Other Math Topicshttps://www.mathhomeworkanswers.org/236832/please-help-my-math-homework-2Tue, 31 Jan 2017 16:23:56 +0000Prove using only integers and inequalities that there is no natural number whose square is 10
https://www.mathhomeworkanswers.org/236310/prove-integers-inequalities-there-natural-number-whose-square
(Producing a decimal approximation of √10, or arguing that √10 is between 2 and 3 is not proof. Just because one solution of Other Math Topicshttps://www.mathhomeworkanswers.org/236310/prove-integers-inequalities-there-natural-number-whose-squareMon, 23 Jan 2017 22:39:05 +0000Please help my Math homework
https://www.mathhomeworkanswers.org/234223/please-help-my-math-homework
<p>Please help my Math homework</p>
<p><a href="https://postimg.org/image/y944agpmh/" rel="nofollow"><img alt="" src="https://s28.postimg.org/7ba78q4zh/15590730_1099529470175425_5858359958606444667_o.jpg"></a></p>
<p><img alt="" src="https://s30.postimg.org/kwro939ht/15626079_1099528686842170_443937889776277568_o.jpg"></p>
<p><img alt="" src="https://s23.postimg.org/8g7gzrai3/15578017_1099528683508837_5609148920430593786_o.jpg"></p>
<p><img alt="" src="https://s24.postimg.org/9ge6g1ddh/15591242_1099528680175504_3996601372418309831_o.jpg"></p>Other Math Topicshttps://www.mathhomeworkanswers.org/234223/please-help-my-math-homeworkWed, 28 Dec 2016 00:31:04 +0000no, but is a set problem of different questions
https://www.mathhomeworkanswers.org/234287/no-but-is-a-set-problem-of-different-questions
&lt;p&gt;in a secondary school of 60 teachers, 30 teach maths, 27 teach physics, 21 teach chemistry, 12 teach maths andphysics, but none teaches both maths and chemistry&lt;/p&gt; &lt;p&gt;1) how many teach physics and chemistry?&lt;/p&gt; &lt;p&gt;2) how many teach only physics&lt;/p&gt; &lt;p&gt;&lt;/p&gt; &lt;p&gt;&lt;/p&gt; &lt;p&gt;&lt;/p&gt; &lt;p&gt;&lt;/p&gt; &lt;p&gt;&lt;/p&gt; &lt;p&gt;&lt;/p&gt;Other Math Topicshttps://www.mathhomeworkanswers.org/234287/no-but-is-a-set-problem-of-different-questionsWed, 21 Dec 2016 07:37:26 +0000Math homework please help
https://www.mathhomeworkanswers.org/234222/math-homework-please-help
<p>Math homework please help</p>
<p><img alt="" src="http://www.mathhomeworkanswers.org/?qa=blob&qa_blobid=9196081146244575010" style="height:825px; width:600px"></p>
<p><img alt="" src="http://www.mathhomeworkanswers.org/?qa=blob&qa_blobid=13205291603962578113" style="height:879px; width:600px"></p>Other Math Topicshttps://www.mathhomeworkanswers.org/234222/math-homework-please-helpTue, 20 Dec 2016 14:57:26 +0000the question is in more info
https://www.mathhomeworkanswers.org/233728/the-question-is-in-more-info
<p><span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif">The quadratic equation </span><span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif"><span style="font-size:16.64px"><span style="font-family:mathjax_math-italic">x</span><span style="font-family:mathjax_main; font-size:11.7645px">2</span><span style="font-family:mathjax_main">+</span><span style="font-family:mathjax_math-italic">p</span><span style="font-family:mathjax_math-italic">x</span><span style="font-family:mathjax_main">+</span><span style="font-family:mathjax_math-italic">q</span><span style="font-family:mathjax_main">=</span><span style="font-family:mathjax_main">0</span></span>x2+px+q=0</span><span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif"> has roots -2 and 6. Find</span>
<br>
<span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif">(a) the value of p and of q,</span>
<br>
<span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif">(b) the range of values of r for which the equation </span><span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif"><span style="font-size:16.64px"><span style="font-family:mathjax_math-italic">x</span><span style="font-family:mathjax_main; font-size:11.7645px">2</span><span style="font-family:mathjax_main">+</span><span style="font-family:mathjax_math-italic">p</span><span style="font-family:mathjax_math-italic">x</span><span style="font-family:mathjax_main">+</span><span style="font-family:mathjax_math-italic">q</span><span style="font-family:mathjax_main">=</span><span style="font-family:mathjax_math-italic">r</span></span>x2+px+q=r</span><span style="color:rgb(102, 102, 102); font-family:merriweather,sans-serif"> has no real roots.</span>
<br>
</p>
<p> </p>Other Math Topicshttps://www.mathhomeworkanswers.org/233728/the-question-is-in-more-infoThu, 15 Dec 2016 15:56:09 +0000After How Many Minutes Will Both Buckets Be Filled With Water?
https://www.mathhomeworkanswers.org/233765/after-how-many-minutes-will-both-buckets-be-filled-with-water
There is 100 litres of water in one bucket and 56 litres in another. Pipe B can fill in 11 litres per minute more than Pipe A. Pipe A fills in the the tank with 100 liters of water and Pipe B fills in the tank with 56 liters of water. After how many minutes do both tanks have the same volume of water?Other Math Topicshttps://www.mathhomeworkanswers.org/233765/after-how-many-minutes-will-both-buckets-be-filled-with-waterTue, 13 Dec 2016 20:30:22 +0000Smith's family wants to have 3 children. Find a probability that his family has...a) All 3 girls b) At most 1 girl
https://www.mathhomeworkanswers.org/233372/smiths-family-wants-children-probability-that-family-girls
Smith's family wants to have 3 children. Find a probability that his family has...a) All 3 girls b) At most 1 girlOther Math Topicshttps://www.mathhomeworkanswers.org/233372/smiths-family-wants-children-probability-that-family-girlsFri, 09 Dec 2016 11:32:43 +0000A family has 2 children. What is a probability that the family has…(a) 2 boys (b) Same gender of children (c) Different gender of children
https://www.mathhomeworkanswers.org/232630/children-probability-family-children-different-children
A family has 2 children. What is a probability that the family has…(a) 2 boys (b) Same gender of children (c) Different gender of childrenOther Math Topicshttps://www.mathhomeworkanswers.org/232630/children-probability-family-children-different-childrenSat, 26 Nov 2016 12:42:52 +0000If you shoot a gun for 3 times and bullets are be accurate. How many way do you have a different point?
https://www.mathhomeworkanswers.org/232629/shoot-times-bullets-accurate-how-many-have-different-point
If you shoot a gun for 3 times and bullets are be accurate. How many way do you have a different point?Other Math Topicshttps://www.mathhomeworkanswers.org/232629/shoot-times-bullets-accurate-how-many-have-different-pointSat, 26 Nov 2016 11:53:19 +0000Calculate the area of the parallelogram PQRS give P = (−2,−2), Q = (1,4), R = (6,6), S = (3,0)
https://www.mathhomeworkanswers.org/232628/calculate-the-area-of-the-parallelogram-pqrs-give-%E2%88%922-%E2%88%922-6-6-s-0
Calculate the area of the parallelogram PQRS give P = (−2,−2), Q = (1,4), R = (6,6), S = (3,0)Other Math Topicshttps://www.mathhomeworkanswers.org/232628/calculate-the-area-of-the-parallelogram-pqrs-give-%E2%88%922-%E2%88%922-6-6-s-0Sat, 26 Nov 2016 11:43:10 +0000v = (4,2,−1), w = (8,4,−2) Find the angle θ between the vectors v and w
https://www.mathhomeworkanswers.org/232493/v-4-2-%E2%88%921-w-8-4-%E2%88%922-find-the-angle-%CE%B8-between-the-vectors-v-and-w
v = (4,2,−1), w = (8,4,−2) Find the angle θ between the vectors v and wOther Math Topicshttps://www.mathhomeworkanswers.org/232493/v-4-2-%E2%88%921-w-8-4-%E2%88%922-find-the-angle-%CE%B8-between-the-vectors-v-and-wThu, 24 Nov 2016 12:30:12 +0000v = −i+2j+k, w = −3i+6j+3k Find the angle θ between the vectors v and w
https://www.mathhomeworkanswers.org/232492/v-%E2%88%92i-2j-k-w-%E2%88%923i-6j-3k-find-the-angle-%CE%B8-between-the-vectors-v-and-w
v = −i+2j+k, w = −3i+6j+3k Find the angle θ between the vectors v and wOther Math Topicshttps://www.mathhomeworkanswers.org/232492/v-%E2%88%92i-2j-k-w-%E2%88%923i-6j-3k-find-the-angle-%CE%B8-between-the-vectors-v-and-wThu, 24 Nov 2016 12:27:24 +0000v = (7,2,−10), w = (2,6,4) Find the angle θ between the vectors v and w
https://www.mathhomeworkanswers.org/232491/v-7-2-%E2%88%9210-w-2-6-4-find-the-angle-%CE%B8-between-the-vectors-v-and-w
v = (7,2,−10), w = (2,6,4) Find the angle θ between the vectors v and wOther Math Topicshttps://www.mathhomeworkanswers.org/232491/v-7-2-%E2%88%9210-w-2-6-4-find-the-angle-%CE%B8-between-the-vectors-v-and-wThu, 24 Nov 2016 12:23:56 +0000Eight horses are entered in a race...(Have more)
https://www.mathhomeworkanswers.org/232457/eight-horses-are-entered-in-a-race-have-more
1.)Eight horses are entered in a race.<br />
(a) How many different orders are possible for completing<br />
the race?<br />
(b) In how many different ways can first, second, and third<br />
places be decided? (Assume there is no tie.)<br />
<br />
<br />
<br />
2.)Telephone numbers consist of seven digits; the first digit<br />
cannot be 0 or 1. How many telephone numbers are<br />
possible?<br />
<br />
<br />
<br />
3.)In how many ways can five people be seated in a row of<br />
five seats?<br />
<br />
<br />
<br />
4.)In how many ways can five different mathematics books be<br />
placed next to each other on a shelf?<br />
<br />
<br />
<br />
5.)In a family of four children, how many different boy-girl<br />
birth-order combinations are possible? (The birth orders<br />
BBBG and BBGB are different.)<br />
<br />
<br />
<br />
6.)Two cards are chosen in order from a deck. In how many<br />
ways can this be done if<br />
(a) the first card must be a spade and the second must be a<br />
heart?<br />
(b) both cards must be spades?<br />
<br />
<br />
<br />
7.)A company’s employee ID number system consists of one<br />
letter followed by three digits. How many different ID<br />
numbers are possible with this system?<br />
<br />
<br />
<br />
8.)An all-star baseball team has a roster of seven pitchers and<br />
three catchers. How many pitcher-catcher pairs can the<br />
manager select from this roster?<br />
<br />
<br />
<br />
9.)An automobile dealer offers five models. Each model<br />
comes in a choice of four colors, three types of stereo<br />
equipment, with or without air conditioning, and with or<br />
without a sunroof. In how many different ways can a<br />
customer order an auto from this dealer?<br />
<br />
<br />
<br />
10.)How many monograms consisting of three initials are<br />
possible?<br />
<br />
<br />
<br />
11.)A state license plate design has six places. Each plate<br />
begins with a fixed number of letters, and the remaining<br />
places are filled with digits. (For example, one letter<br />
followed by five digits, two letters followed by four<br />
digits, and so on.) The state has 17 million registered<br />
vehicles.<br />
(a) The state decides to change to a system consisting of<br />
one letter followed by five digits. Will this design<br />
allow for enough different plates to accommodate all<br />
the vehicles registered?<br />
<br />
(b) Find a system that will be sufficient if the<br />
smallest possible number of letters is to<br />
be used.<br />
<br />
<br />
<br />
12.)In how many ways can a president, vice president, and secretary<br />
be chosen from a class of 20 females and 30 males if<br />
the president must be a female and the vice president a<br />
male?<br />
<br />
<br />
<br />
13.)Social Security numbers consist of nine digits, with the first<br />
digit between 0 and 6, inclusive. How many Social Security<br />
numbers are possible?<br />
<br />
<br />
<br />
14.)How many five-letter palindromes are possible? (A palindrome<br />
is a string of letters that reads the same backward<br />
and forward, such as the string XCZCX.)<br />
<br />
<br />
<br />
15.)How many different three-character code words consisting<br />
of letters or digits are possible for the following code<br />
designs?<br />
(a) The first entry must be a letter.<br />
(b) The first entry cannot be zero.<br />
<br />
<br />
<br />
16.)Three-digit numbers are formed using the digits 2, 4, 5, and<br />
7, with repetition of digits allowed. How many such numbers<br />
can be formed if<br />
(a) the numbers are less than 700?<br />
(b) the numbers are even?<br />
(c) the numbers are divisible by 5?<br />
<br />
<br />
<br />
17.)Until recently, telephone area codes in the<br />
United States, Canada, and the Caribbean islands were<br />
chosen according to the following rules: (i) The first digit<br />
cannot be 0 or a 1, and (ii) the second digit must be a 0 or a<br />
1. But in 1995, the second rule was abandoned when the<br />
area code 360 was introduced in parts of western Washington<br />
State. Since then, many other new area codes that violate<br />
Rule (ii) have come into use, although Rule (i) still<br />
remains in effect.<br />
(a) How many area code telephone number combinations<br />
were possible under the old rules? (See Exercise 6<br />
for a description of local telephone numbers.)<br />
(b) How many area code telephone number combinations<br />
are now possible under the new rules?<br />
(c) Why do you think it was necessary to make this<br />
change?<br />
(d) How many area codes that violate Rule (ii) are you personally<br />
familiar with?Word Problem Answershttps://www.mathhomeworkanswers.org/232457/eight-horses-are-entered-in-a-race-have-moreWed, 23 Nov 2016 15:57:39 +0000How many three-letter “words” (strings of letters) can be formed using the 26 letters of the alphabet if repetition of letters (a) is allowed? (b) is not allowed?
https://www.mathhomeworkanswers.org/232435/letters-letters-alphabet-repetition-letters-allowed-allowed
How many three-letter “words” (strings of letters) can be formed using the 26 letters of the alphabet if repetition of letters (a) is allowed? (b) is not allowed?Word Problem Answershttps://www.mathhomeworkanswers.org/232435/letters-letters-alphabet-repetition-letters-allowed-allowedWed, 23 Nov 2016 13:45:06 +000025 men finish a work in 14 days how many days are required for 35 men
https://www.mathhomeworkanswers.org/232361/25-men-finish-work-in-days-how-many-days-are-required-for-35-men
25 men finish a work in 14 days,how many days are required for 35 men to finished the same work.Other Math Topicshttps://www.mathhomeworkanswers.org/232361/25-men-finish-work-in-days-how-many-days-are-required-for-35-menTue, 22 Nov 2016 14:22:52 +00001 + 1 + 2 +10 + 88 + 233 +100 5,000,000,000!?
https://www.mathhomeworkanswers.org/231878/1-1-2-10-88-233-100-5-000-000-000
......................................Other Math Topicshttps://www.mathhomeworkanswers.org/231878/1-1-2-10-88-233-100-5-000-000-000Thu, 17 Nov 2016 17:00:03 +0000What does x=-2xyy+3=?
https://www.mathhomeworkanswers.org/231793/what-does-x-2xyy-3
What does that equal ?Other Math Topicshttps://www.mathhomeworkanswers.org/231793/what-does-x-2xyy-3Thu, 17 Nov 2016 05:36:20 +0000how to solve 8(x-3) - 6(x-2) = 2(x+2) - 8(5-x)
https://www.mathhomeworkanswers.org/231765/how-to-solve-8-x-3-6-x-2-2-x-2-8-5-x
solve simple equationsOther Math Topicshttps://www.mathhomeworkanswers.org/231765/how-to-solve-8-x-3-6-x-2-2-x-2-8-5-xWed, 16 Nov 2016 17:00:55 +0000Prove that the number of n-digit binary numbers that have no consecutive 1’s is the Fibonacci number F(n+2).
https://www.mathhomeworkanswers.org/231454/number-digit-binary-numbers-consecutive-fibonacci-number
For example, for n = 2 there are three such numbers (00, 01, and 10), and 3 = F(2+2) = F4. Also, for n = 3 there are five such numbers (000, 001, 010, 100, 101), and 5 = F(3+2) = F5.<br />
<br />
<br />
<br />
<br />
<br />
Mathematical induction proof is supposed to be used to answer this questionOther Math Topicshttps://www.mathhomeworkanswers.org/231454/number-digit-binary-numbers-consecutive-fibonacci-numberSun, 13 Nov 2016 04:19:06 +0000For n ∈ N let Bn be the set of all n-digit binary numbers. For example B3 = {000, 001, 010, 100, 011, 101, 110, 111}. (a) Show that |Bn| = 2^n .
https://www.mathhomeworkanswers.org/231453/digit-binary-numbers-example-000-001-100-101-110-111-show-that
Mathematical proofs<br />
<br />
Method to be used is mathematical inductionOther Math Topicshttps://www.mathhomeworkanswers.org/231453/digit-binary-numbers-example-000-001-100-101-110-111-show-thatSun, 13 Nov 2016 04:12:31 +0000The Tribonacci numbers are defined as T1 = 1, T2 = 1, T3 = 1, and Tn = Tn−1 + Tn−2 + Tn−3 for n > 3. Show that for all n ∈ N that Tn ≤ 2^n .
https://www.mathhomeworkanswers.org/231451/tribonacci-numbers-defined-tn%E2%88%921-tn%E2%88%922-tn%E2%88%923-show-that-for-that
Mathematical proof question:<br />
<br />
method to be used: mathematical inductionOther Math Topicshttps://www.mathhomeworkanswers.org/231451/tribonacci-numbers-defined-tn%E2%88%921-tn%E2%88%922-tn%E2%88%923-show-that-for-thatSun, 13 Nov 2016 02:26:53 +0000