Wyzant Answershttps://www.wyzant.com/resources/answers/questions?f=activeAsk questions and get free answers from professional tutorsWed, 22 Feb 2017 19:59:28 -0600https://www.wyzant.com/images/logos/wyzant-logo.pngWyzant Answershttps://www.wyzant.com/resources/answers/questions?f=activehttps://www.wyzant.com/resources/answers/questions?f=active525437https://www.wyzant.com/resources/answers/285979/a_dozen_children_equally_share_seven_apples_how_can_the_apples_be_cutArianna from Maricopa, AZhttps://www.wyzant.com/resources/answers/users/view/86833628FractionsPiecesA dozen children equally share seven apples.How can the apples be cut?<div>A dozen children equally share seven apples. None of the apples are cooked. No apple is cut into more than four pieces. How can the apples be cut?</div>Wed, 22 Feb 2017 18:10:21 -06002017-02-22T18:10:21-06:00525454https://www.wyzant.com/resources/answers/286003/what_is_the_y_intercept_of_the_following_function_written_as_an_ordered_pair_y_4x_8Richard from Soddy Daisy, TNhttps://www.wyzant.com/resources/answers/users/view/86833719What is the y-intercept of the following function written as an ordered pair? Y=4x-8<div>We're stuck on this problem for my 8th grade grandaughter !</div>
<div>Please help!</div>Wed, 22 Feb 2017 19:12:27 -06002017-02-22T19:12:27-06:00525449https://www.wyzant.com/resources/answers/285995/simplify_the_expressionDanish from Schenectady, NYhttps://www.wyzant.com/resources/answers/users/view/86810247MathsAlgebrasimplify the expression <div>P<sub>1</sub><sup>2</sup>P<sub>2</sub><sup>2</sup>+P<sub>1</sub>P<sub>2 </sub>divided by P<sub>1</sub>P<sub>2</sub></div>Wed, 22 Feb 2017 19:02:14 -06002017-02-22T19:02:14-06:00525411https://www.wyzant.com/resources/answers/285945/perimeter_of_an_isosceles_trapezoid_is_105_cm_bisector_of_an_obtuse_angle_divides_the_long_base_with_the_ratio_of_3_2_find_the_length_of_each_leg_ifTimothy from Staten Island, NYhttps://www.wyzant.com/resources/answers/users/view/86833468Algebra/Perimeter of an isosceles trapezoid is 105 cm. Bisector of an obtuse angle divides the long base with the ratio of 3:2. Find the length of each leg if <p>The question continues, each leg if the smaller base is 6 cm long (consider two different cases)</p>Wed, 22 Feb 2017 16:19:25 -06002017-02-22T16:19:25-06:00525423https://www.wyzant.com/resources/answers/285963/i_am_trying_to_find_the_derivative_in_order_to_find_the_slope_of_a_tangent_line_but_i_am_getting_stuck_could_you_please_correct_meOlivia from Gilbert, AZhttps://www.wyzant.com/resources/answers/users/view/86499300MathI am trying to find the derivative in order to find the slope of a tangent line but I am getting stuck, could you please correct me?<div>using M(x) = 3(1 − e<sup>x</sup>) find the slope of the point where the graph m(x) crosses the x axis</div>
<div>I interpreted this to mean to take the derivative when y=0.</div>
<div>I took the derivative and got -3e<sup>x </sup> but that was marked wrong on my online homework grading system. Where have I made my mistake?</div>
<div> </div>Wed, 22 Feb 2017 17:18:00 -06002017-02-22T17:18:00-06:00525401https://www.wyzant.com/resources/answers/285941/sean_works_on_his_homework_for_3_hours_he_spends_4_5_of_that_time_on_math_homework_what_amount_of_time_in_hours_does_he_spend_on_his_homeworkLisamarie from Stow, OHhttps://www.wyzant.com/resources/answers/users/view/86833408Math Word ProblemMath HelpSEAN WORKS ON HIS HOMEWORK FOR 3 HOURS HE SPENDS 4/5 OF THAT TIME ON MATH HOMEWORK. WHAT AMOUNT OF TIME IN HOURS DOES HE SPEND ON HIS HOMEWORK<div>Sean works on his homework for 3 hours he spends 4/5 of that time on math homework. what amount of time in hours does he spend on his spend on his homework? </div>Wed, 22 Feb 2017 15:38:22 -06002017-02-22T15:38:22-06:00525446https://www.wyzant.com/resources/answers/285991/someone_helpUju from Tea, SDhttps://www.wyzant.com/resources/answers/users/view/85852027Mathsomeone help<div>A sales representative at an electronics outlet mall receives sales commissions of 3% on tablets, 6% on laptops, and 9% on televisions. In April, if he sold five tablets that cost $390 each, nine laptops that cost $570 each, and three televisions that cost $950 each, calculate his total sales commission earned for the month.</div>Wed, 22 Feb 2017 18:47:39 -06002017-02-22T18:47:39-06:00525368https://www.wyzant.com/resources/answers/285917/if_a_b_c_10_amp_a_b_c_35_then_what_is_the_value_of_a_amp_what_is_the_value_of_bChiradeep from Metairie, LAhttps://www.wyzant.com/resources/answers/users/view/86833185If a+b=c-10 & a+b+c=35 then what is the value of a & what is the value of b?<div>This is a logical reasoning question.</div>Wed, 22 Feb 2017 13:24:11 -06002017-02-22T13:24:11-06:00525453https://www.wyzant.com/resources/answers/286001/farm_animalsRomi from Arnold, MOhttps://www.wyzant.com/resources/answers/users/view/86833706Word Problem Hepfarm animals<h1><em><strong>terry the farmer has $100 and spent it on 100 animals! chickens are 50c, pgs are $2 and cows are $10. he has to have 2 chickens, 1 cow and 1 pig. how many of each did he puechase? </strong></em></h1>Wed, 22 Feb 2017 19:07:36 -06002017-02-22T19:07:36-06:00525463https://www.wyzant.com/resources/answers/286013/how_far_apart_are_the_cities_in_real_lifeAylin from Independence, MOhttps://www.wyzant.com/resources/answers/users/view/86528164GeometryHow far apart are the cities in real life?<div>Pittsburgh, Pennsylvania and State Colleg, Pennsylvania are 9.8 inches apart on a map that has a scale showing 1.1 inches equal to 15 miles. How far apart are the cities in real life?</div>Wed, 22 Feb 2017 19:43:04 -06002017-02-22T19:43:04-06:00525458https://www.wyzant.com/resources/answers/286007/berta_39_s_cab_charges_1_00_plus_an_additional_3_00_per_mile_for_a_ride_madeline_39_s_cab_charges_3_00_plus_an_additional_2_00_per_mile_for_a_rideJoann from Little Rock, ARhttps://www.wyzant.com/resources/answers/users/view/86820106System Of Linear EquationsEquation Word ProblemBerta's cab charges $1.00 plus an additional $3.00 per mile for a ride. Madeline's cab charges $3.00 plus an additional $2.00 per mile for a ride<div>1. Write a system of linear equations that shows the cost in dollars, y for a cab ride, x miles for each cab driver.</div>
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<div>2. At what distance in miles, will the cost be the same for both companies? show work</div>
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<div>3. which cab driver's charge will be less for a ride that is 10 miles in distance? Show work</div>Wed, 22 Feb 2017 19:17:12 -06002017-02-22T19:17:12-06:00525456https://www.wyzant.com/resources/answers/286005/solving_a_system_of_equationsBrenda from Orting, WAhttps://www.wyzant.com/resources/answers/users/view/86833721Algebra, Word Problem, System Of EquationsSolving a system of equations<div>Kate and Riley are reading the same book. Kate reads 1/3 page per minute, and Riley reads 3/4 page per minute. Kate has read 70 pages, while Riley has read 30 pages. If they both resume reading together, eventually Riley will catch up to Kate. On what page will that occur?</div>Wed, 22 Feb 2017 19:14:10 -06002017-02-22T19:14:10-06:00525450https://www.wyzant.com/resources/answers/285997/exact_valueBlake from Cleveland, TNhttps://www.wyzant.com/resources/answers/users/view/86833700Exact ValueStatisticsExact Value<div>A department store wants to sell eight purses that cost the store $40 each and 32 purses that cost the store $10 each. If all purses are wrapped up in forty identical boxes and if each customer picks a box randomly, find:</div>
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<div>A) each customers expected value if a customer pays $15 for a box</div>
<div>B) The department stores total expected profit(or loss) during this sale</div>Wed, 22 Feb 2017 19:04:07 -06002017-02-22T19:04:07-06:00525452https://www.wyzant.com/resources/answers/285999/bayes_formulaTeresa from Cedar Lake, INhttps://www.wyzant.com/resources/answers/users/view/86833704ProbabilityFiniteFinite MathematicsBaye's TheormMath HelpMath Help For CollegeMathBayes Formula<div>I've been working on this for 2 days and can't get the right answer can someone please help!</div>
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<div>The Centers for Disease Control (CDC) estimates that 0.2% of Americans have AIDS. The HIV-1 tests correctly diagnose the presence of HIV in 99% of the persons who have it and correctly diagnose its absence in 93% of the persons who don't.<br /><br />Find the probability that a person whose result is positive is actually negative.</div>Wed, 22 Feb 2017 19:07:01 -06002017-02-22T19:07:01-06:00525422https://www.wyzant.com/resources/answers/285961/how_do_you_reflect_4_7_in_the_x_axisAllygirl from West Babylon, NYhttps://www.wyzant.com/resources/answers/users/view/86833541Math HelpHow do you reflect( 4,-7 )in the x-axis?<div>The answer must be in the x- axis. I am not sure how to do this because it is a negative.</div>Wed, 22 Feb 2017 17:13:47 -06002017-02-22T17:13:47-06:00525426https://www.wyzant.com/resources/answers/285967/phaedra_would_like_to_buy_a_blouse_costing_27_which_is_3_more_than_4_times_the_amount_of_money_she_has_saved_so_far_how_much_more_does_she_need_to_buy_the_bAriana from Brooklyn, NYhttps://www.wyzant.com/resources/answers/users/view/86833564Math Word Problemphaedra would like to buy a blouse costing $27, which is $3 more than 4 times the amount of money she has saved so far. how much more does she need to buy the b<div>phaedra would like to buy a blouse costing $27, which is $3 more than 4 times the amount of money she has saved so far. </div>Wed, 22 Feb 2017 17:29:43 -06002017-02-22T17:29:43-06:00525429https://www.wyzant.com/resources/answers/285971/salma_bill_and_alan_have_a_total_of_117_in_their_wallets_alan_has_3_times_what_bill_has_salma_has_8_dollars_less_that_bill_how_much_does_each_haveSpencer from Middletown, DEhttps://www.wyzant.com/resources/answers/users/view/86833576How Much Does Each Person Have In Their WalletAddingSalma, Bill, and Alan have a total of $117 in their wallets. Alan has 3 times what Bill has. Salma has $8 dollars less that Bill. How much does each have?<div>I get confused with these Problems. I'm not 100 percent on this and have a test tomorrow </div>Wed, 22 Feb 2017 17:38:13 -06002017-02-22T17:38:13-06:00525425https://www.wyzant.com/resources/answers/285965/how_do_i_find_the_value_of_yJay from Henderson, NVhttps://www.wyzant.com/resources/answers/users/view/86833558GeometryHow do I find the value of y? <div>So ABDC is an isosceles trapezoid with legs AB and CD and a base of BC. The length of AB is 9y+3, the length of BC is 6y+6, and the length of CD is 10y-4. Out of this how do I find the value of y?</div>Wed, 22 Feb 2017 17:24:01 -06002017-02-22T17:24:01-06:00525427https://www.wyzant.com/resources/answers/285969/pythagorean_thereom_word_problemGwen from Carmel, INhttps://www.wyzant.com/resources/answers/users/view/86833570Word ProblemPythagorean Theorempythagorean thereom word problem<div>Tatsu takes a sheet of paper and makes a diagonal cut from one corner to the opposite corner, making two triangles. The cut he makes is 40 centimeters long and the width of the paper is 24 centimeters. What is the paper's length?</div>Wed, 22 Feb 2017 17:33:50 -06002017-02-22T17:33:50-06:00525343https://www.wyzant.com/resources/answers/285903/two_real_numbers_are_such_that_the_sum_of_3_times_one_plus_4_times_the_other_is_68_while_the_product_of_the_numbers_is_80_find_the_numbersJarnail from Canton, MIhttps://www.wyzant.com/resources/answers/users/view/86833078Story Problemtwo real numbers are such that the sum of 3 times one plus 4 times the other is 68, while the product of the numbers is 80. find the numbers <div>i dont really get how to do this problem.</div>Wed, 22 Feb 2017 12:21:20 -06002017-02-22T12:21:20-06:00