Wyzant Answershttps://www.wyzant.com/resources/answers/questions?f=activeAsk questions and get free answers from professional tutorsMon, 23 Oct 2017 07:47:05 -0500https://www.wyzant.com/images/logos/wyzant-logo.pngWyzant Answershttps://www.wyzant.com/resources/answers/questions?f=activehttps://www.wyzant.com/resources/answers/questions?f=active618663https://www.wyzant.com/resources/answers/410915/how_to_detect_and_remove_stains_from_fabrics_without_waterChovesh from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197598Remove Stains Bonded To FabricsDetect Stains And Remove Them Without WaterHow to detect and remove stains from fabrics without water?<div>Hi Teddy,<br /><br />I am not young and I do not go to school. For a long while I have had a desire to tackle the question of how to clean clothes without using water or perc (dry cleaning).<br /><br />Since I am not a science expert, I would like to know if you could answer my theoretical question that if one could make a machine to do this...<br /> how could someone detect the chemical composition of a given stain on a piece of cloth and then remove the stain from the fabric while not damaging the fabric?<br /><br />This question would include stains that are 10 years old.<br /><br />TY,<br /><br />C</div>Mon, 23 Oct 2017 01:25:33 -05002017-10-23T01:25:33-05:00618696https://www.wyzant.com/resources/answers/410949/answer_should_be_in_a_pseudo_code_formDominic from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197667Computer ProgrammingAnswer should be in a pseudo code form<div>Answer should be in a pseudo code form</div>
<div>Assuming that you are a pilot of British Airways where in Britain, distances are measured in feet. You are approaching a country where distances are measured in yards, miles, and feet . Assuming that your plane has an in-built computer that you can quickly program to convert a distance in feet into the form X miles, Y yards, Z feet/foot. Given that 1 mile is equivalent to 1760 yards, and 3 feet is equal to 1 yard. Write a computer program ( pseudo code) for the pilot. [Assume that an integer divided by a integer provide an integer value]</div>Mon, 23 Oct 2017 06:10:22 -05002017-10-23T06:10:22-05:00618700https://www.wyzant.com/resources/answers/410953/what_will_be_the_value_of_this_concentration_expressed_in_mol_dm_3Mwahafa from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87188370Concentration What will be the value of this concentration expressed in moldm3? <div>The concentration of H2SO4 in a certain solution is 1.23×10<sup>-2</sup> molcm<sup>-3</sup></div>Mon, 23 Oct 2017 06:51:04 -05002017-10-23T06:51:04-05:00618703https://www.wyzant.com/resources/answers/410955/a_mettalic_cone_with_radius_5cm_and_height_8cm_melted_and_transformed_as_sphere_then_find_surface_area_of_sphereVig from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197699;kamfaa mettalic cone with radius 5cm and height 8cm melted and transformed as sphere then find surface area of sphere<div>surface areas an volumes</div>
<div> </div>Mon, 23 Oct 2017 07:10:35 -05002017-10-23T07:10:35-05:00618705https://www.wyzant.com/resources/answers/410957/function_with_domain_of_z_and_range_of_rOmar from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197700#math#functionsFunction with domain of Z and range of R ?<div>Is it possible to get a function with a domain of Z (integers) and a range of R (real numbers)?<br /><br />if yes, give an example<br />if no, explain why</div>Mon, 23 Oct 2017 07:14:07 -05002017-10-23T07:14:07-05:00618692https://www.wyzant.com/resources/answers/410943/at_what_simple_interest_rate_will_an_amount_of_money_gain_50_of_the_principal_in_4_yearsAldrin from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87184093Interestat what simple interest rate will an amount of money gain 50% of the principal in 4 years<div>please help</div>Mon, 23 Oct 2017 05:28:13 -05002017-10-23T05:28:13-05:00618694https://www.wyzant.com/resources/answers/410947/bidmas_bodmas_queryHannah from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197656Math HelpMathsBidmasBIDMAS (BODMAS) query<div>Hello</div>
<div> </div>
<div>I need help with a maths question. Two primary schools have given different answers using different methods for the following KS2 maths question so I'm looking for a consensus on the correct answer please.</div>
<div> </div>
<div>Using BIDMAS (BODMAS) what is the answer to this question? 48-5x12+7</div>
<div> </div>
<div>Thank you</div>Mon, 23 Oct 2017 05:36:45 -05002017-10-23T05:36:45-05:00618698https://www.wyzant.com/resources/answers/410951/there_is_512_ounces_of_quarters_if_each_quarter_is_0_2_ounces_how_much_money_was_stolenJamie from Saint Louis, MOhttps://www.wyzant.com/resources/answers/users/view/87197673Pre-Algebrathere is 512 ounces of quarters , if each quarter is 0.2 ounces, how much money was stolen<div>There are 512 ounces of quarters, I need to know how much money was stolen, Each quarter weights 0.2 ounces.</div>Mon, 23 Oct 2017 06:17:47 -05002017-10-23T06:17:47-05:00618688https://www.wyzant.com/resources/answers/410939/find_the_probability_of_getting_exactly_4_heads_on_8_flips_of_a_coinHaylee from Spring, TXhttps://www.wyzant.com/resources/answers/users/view/87197653Probability & Statisticsfind the probability of getting exactly 4 heads on 8 flips of a coin<div>I do not know how to figure this out</div>Mon, 23 Oct 2017 05:17:12 -05002017-10-23T05:17:12-05:00618689https://www.wyzant.com/resources/answers/410941/the_sum_of_two_numbers_is_41_the_first_number_is_9_more_than_the_other_number_what_are_the_numbersFoxe from Brooklyn, NYhttps://www.wyzant.com/resources/answers/users/view/87197654System Of Equationsthe sum of two numbers is 41. The first number is 9 more than the other number. What are the numbers?<div>Solve each problem using system of equations.</div>Mon, 23 Oct 2017 05:19:42 -05002017-10-23T05:19:42-05:00618693https://www.wyzant.com/resources/answers/410945/time_and_work_plsNav from Washington, DChttps://www.wyzant.com/resources/answers/users/view/87150042Time And Worktime and work...pls<div>A can do a work in 10 days B can do the same work in 15 days they both work together for some time ,B leaves 5 days before completion of the work, in how many days a will finish the work?</div>Mon, 23 Oct 2017 05:29:16 -05002017-10-23T05:29:16-05:00618672https://www.wyzant.com/resources/answers/410929/on_the_coordinate_plane_draw_the_graphs_of_the_following_equationsNana from Stony Brook, NYhttps://www.wyzant.com/resources/answers/users/view/87176412Graph Equation SlopeOn the coordinate plane draw the graphs of the following equations<div>-3+2x=y/3</div>Mon, 23 Oct 2017 02:06:06 -05002017-10-23T02:06:06-05:00618670https://www.wyzant.com/resources/answers/410925/given_the_equation_of_a_line_which_passes_through_the_points_1_5_and_6_5Nana from Stony Brook, NYhttps://www.wyzant.com/resources/answers/users/view/87176412Equation And SlopeGiven the equation of a line which passes through the points (1,5) and (-6,5)<div>Is this line parallel to y=0. Justify your answer and draw both lines on the coordinate plane</div>Mon, 23 Oct 2017 02:03:41 -05002017-10-23T02:03:41-05:00618492https://www.wyzant.com/resources/answers/410735/geometric_sequencesBlah from Blacksburg, VAhttps://www.wyzant.com/resources/answers/users/view/87196971SequencesGeometric Sequences<div>Given: a1=4, a2=−5 and ai=ai−2−3ai−1−3.<br />Find the next four terms in the sequence. How would I go about solving this?</div>Sun, 22 Oct 2017 17:19:50 -05002017-10-22T17:19:50-05:00618679https://www.wyzant.com/resources/answers/410935/equality_of_complex_numbersAn from Schenectady, NYhttps://www.wyzant.com/resources/answers/users/view/86485593Real And Complex NumbersEquality of Complex Numbers <div>Find exact x,y such that:</div>
<div> </div>
<div>a) (x+2i)(y-i) = -4-7i</div>
<div> </div>
<div>b) (x+1)(3-iy)= 1+ 13i</div>
<div> </div>
<div>c) (x+yi)(2+1)= 2x-(y+1)i</div>Mon, 23 Oct 2017 04:15:00 -05002017-10-23T04:15:00-05:00618680https://www.wyzant.com/resources/answers/410937/ifthe_sum_of_all_terms_i_n_a_p_is_n_247_2_3n_13_then_find_the_30th_termPratik from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197644ArithematicesIfthe sum of all terms i n A.P . is n÷2(3n+13) , then find the 30th term.<div> 10th class , Arithematics</div>Mon, 23 Oct 2017 04:28:43 -05002017-10-23T04:28:43-05:00618678https://www.wyzant.com/resources/answers/410933/complex_numbersAn from Schenectady, NYhttps://www.wyzant.com/resources/answers/users/view/86485593Complex NumbersComplex Numbers <div>If z= 2+i and w= -1+2i find:</div>
<div> </div>
<div>a) Re (zw)</div>
<div> </div>
<div>b) Im (iz^2)</div>
<div> </div>
<div>c) Re (z/w)</div>Mon, 23 Oct 2017 04:12:21 -05002017-10-23T04:12:21-05:00618543https://www.wyzant.com/resources/answers/410771/x_2y_z_0_and_y_2z_0Ayy from New York, NYhttps://www.wyzant.com/resources/answers/users/view/87197134x + 2y + z = 0 and y + 2z = 0 ?<div>I do not even know how this one works</div>Sun, 22 Oct 2017 19:00:07 -05002017-10-22T19:00:07-05:00618660https://www.wyzant.com/resources/answers/410913/for_the_polynomial_below_3_is_a_zero_g_x_x_3_x_2_15x_9_express_g_x_as_a_product_of_linear_factorsBronson from Rancho Cucamonga, CAhttps://www.wyzant.com/resources/answers/users/view/87197596Algebra, Linear, EquationFor the polynomial below, 3 is a zero. g(x)=x^3 + x^2 -15x +9 Express g(x) as a product of linear factors. <div> For the polynomial below, 3 is a zero. g(x)=x^3 + x^2 -15x +9 Express g(x) as a product of linear factors. </div>Mon, 23 Oct 2017 01:22:09 -05002017-10-23T01:22:09-05:00618659https://www.wyzant.com/resources/answers/410911/max_39_s_father_said_that_he_would_pay_60_of_the_cost_of_an_xbox_the_xbox_costs_350_how_much_will_max_39_s_father_pay_300_00Savy from West Plains, MOhttps://www.wyzant.com/resources/answers/users/view/87197597MathMax's father said that he would pay 60% of the cost of an XBox. The XBox costs $350. How much will Max's father pay? $300.00<div>Max's father said that he would pay 60% of the cost of an XBox. The XBox costs $350. How much will Max's father pay?<br /> $300.00</div>Mon, 23 Oct 2017 01:17:16 -05002017-10-23T01:17:16-05:00