Wyzant Answershttps://www.wyzant.com/resources/answersAsk questions and get free answers from professional tutorsMon, 27 Mar 2017 18:29:37 -0500https://www.wyzant.com/images/logos/wyzant-logo.pngWyzant Answershttps://www.wyzant.com/resources/answershttps://www.wyzant.com/resources/answers534470https://www.wyzant.com/resources/answers/295655/cos_b_cot_b_sin_b_tan_b_sin_b_cos_bCarter from Wellsville, KShttps://www.wyzant.com/resources/answers/users/view/86873104Trig Identities(cos B/cot B) + (sin B/tan B) = sin B + cos B<div>Verify the Identity. </div>Mon, 27 Mar 2017 18:27:51 -05002017-03-27T18:27:51-05:00534469https://www.wyzant.com/resources/answers/295653/normal_distributionEliah from Mankato, MNhttps://www.wyzant.com/resources/answers/users/view/86834978Normal DistributionNormal Distribution <div>A group of students weighs 500 US pennies. They find that the pennies have normally distributed weights with a mean of 3.1g and a standard deviation of 0.14g </div>
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<div>What percentage of pennies will weigh between 2.11 and 3.5g?</div>
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<div>What percentage of pennies will weigh less than 2.96g?</div>
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<div>What percentage of pennies will weigh more than 3.4g?</div>Mon, 27 Mar 2017 18:23:35 -05002017-03-27T18:23:35-05:00534468https://www.wyzant.com/resources/answers/295651/cos_b_cot_b_sin_b_tan_b_sin_b_cos_bCarter from Wellsville, KShttps://www.wyzant.com/resources/answers/users/view/86873104Trigonometric Identities(cos B/cot B) + (sin B/tan B) = sin B + cos B<div>Verify the Identity. </div>Mon, 27 Mar 2017 18:22:27 -05002017-03-27T18:22:27-05:00534464https://www.wyzant.com/resources/answers/295649/find_three_consecutive_odd_integers_such_that_the_product_of_the_first_and_third_is_71_more_than_10_times_the_secondTess from Bolivar, MOhttps://www.wyzant.com/resources/answers/users/view/86873077AlgebraAlgebra Word ProblemFind three consecutive odd integers such that the product of the first and third is 71 more than 10 times the second.<div>Solve the problem</div>Mon, 27 Mar 2017 18:13:52 -05002017-03-27T18:13:52-05:00534463https://www.wyzant.com/resources/answers/295647/please_helpNelson from Prescott, AZhttps://www.wyzant.com/resources/answers/users/view/86873067Calculus 1please help<div>given f(x)=x^2-8x-4 For less than or equal to 4. find the value of (f^-1)'(5)</div>Mon, 27 Mar 2017 18:12:46 -05002017-03-27T18:12:46-05:00534462https://www.wyzant.com/resources/answers/295645/find_two_consecutive_positive_integers_such_that_the_sum_of_their_squares_is_145Tess from Bolivar, MOhttps://www.wyzant.com/resources/answers/users/view/86873077AlgebraAlgebra Word ProblemFind two consecutive positive integers such that the sum of their squares is 145.<div>Solve the word problem.</div>Mon, 27 Mar 2017 18:12:16 -05002017-03-27T18:12:16-05:00534461https://www.wyzant.com/resources/answers/295643/please_helpNelson from Prescott, AZhttps://www.wyzant.com/resources/answers/users/view/86873067Calculus 1please help<div>If f is a one-to-one function with f(1)=−5 and f′(1)=2, what is the value of (f^−1)′(−5).</div>Mon, 27 Mar 2017 18:11:22 -05002017-03-27T18:11:22-05:00534460https://www.wyzant.com/resources/answers/295641/find_a_positive_integer_such_that_the_product_of_the_integer_with_a_number_three_less_than_the_integer_is_equal_to_the_integer_increased_by_32Tess from Bolivar, MOhttps://www.wyzant.com/resources/answers/users/view/86873077AlgebraAlgebra Word ProblemFind a positive integer such that the product of the integer with a number three less than the integer is equal to the integer increased by 32.<div>Solve the word problem</div>Mon, 27 Mar 2017 18:10:52 -05002017-03-27T18:10:52-05:00534458https://www.wyzant.com/resources/answers/295639/if_the_square_of_a_positive_integer_is_added_to_three_times_the_integer_the_result_is_54_find_the_integerTess from Bolivar, MOhttps://www.wyzant.com/resources/answers/users/view/86873077AlgebraAlgebra Word ProblemIf the square of a positive integer is added to three times the integer, the result is 54. Find the integer.<div>Solve the word problem</div>Mon, 27 Mar 2017 18:09:28 -05002017-03-27T18:09:28-05:00534457https://www.wyzant.com/resources/answers/295637/one_number_is_10_more_than_another_if_their_product_is_25_find_the_numbersTess from Bolivar, MOhttps://www.wyzant.com/resources/answers/users/view/86873077One number is 10 more than another. If their product is -25, find the numbers.<div>Solve the word problem</div>Mon, 27 Mar 2017 18:08:02 -05002017-03-27T18:08:02-05:00534455https://www.wyzant.com/resources/answers/295635/find_rate_of_changeNelson from Prescott, AZhttps://www.wyzant.com/resources/answers/users/view/86873067Calculus 1find rate of change<div>The base of a right triangle is half its height. If the base of the triangle is increasing at a rate of 2 cm/sec, find the rate of change of the area of the triangle when the base is 26cm.</div>Mon, 27 Mar 2017 18:03:58 -05002017-03-27T18:03:58-05:00534453https://www.wyzant.com/resources/answers/295631/finding_rate_of_changeNelson from Prescott, AZhttps://www.wyzant.com/resources/answers/users/view/86873067Calculus 1finding rate of change<div>The volume of a cylinder is increasing at a rate of 248in^3/min . Suppose that the height is increasing at 10 in/min. Find the rate of change of the radius at the instant when the volume is 1000 in3 and the radius is 12 in. Note the volume formula for a cylinder is V=pir^2</div>Mon, 27 Mar 2017 18:03:03 -05002017-03-27T18:03:03-05:00534451https://www.wyzant.com/resources/answers/295629/find_the_rate_of_distance_between_the_plains_at_4pmNelson from Prescott, AZhttps://www.wyzant.com/resources/answers/users/view/86873067Calculus 1find the rate of distance between the plains at 4pm<div>A plane is flying due west at 600mph while a second plane is flying due north at 520mph. If the first plane passes over the Grand Canyon at noon and the second plane passes over the Grand Canyon at 1 pm, find the rate at which the distance between the planes is changing at 4 pm. Assume that the planes are flying at the same altitude.</div>Mon, 27 Mar 2017 18:01:01 -05002017-03-27T18:01:01-05:00534450https://www.wyzant.com/resources/answers/295627/2x_5y_7_and_4x_5y_19Tanya from Brooklyn, NYhttps://www.wyzant.com/resources/answers/users/view/86872933Ordered Pairs2x-5y=7 and 4x-5y=19<div> Ordered pairs I need the answer to X and y</div>
<div>thank you </div>Mon, 27 Mar 2017 18:00:14 -05002017-03-27T18:00:14-05:00534449https://www.wyzant.com/resources/answers/295625/suppose_that_a_graph_of_a_system_of_linear_equations_consists_of_two_lines_that_coincide_how_many_solutions_does_the_system_have_explain_your_reasoningMontana from Newport Beach, CAhttps://www.wyzant.com/resources/answers/users/view/86873053System Of Linear EquationsInfinitely Many SolutionsCoinciding LinesLinear EquationsSuppose that a graph of a system of linear equations consists of two lines that coincide. How many solutions does the system have? Explain your reasoning.<div>The answer has to explain why the coinciding lines have infinitely many solutions.</div>Mon, 27 Mar 2017 17:51:34 -05002017-03-27T17:51:34-05:00534447https://www.wyzant.com/resources/answers/295623/from_2013_2014_to_2020_2021_the_number_of_associate_degrees_awarded_is_projected_to_increase_by_11_4Richard from University Center, MIhttps://www.wyzant.com/resources/answers/users/view/86873046PercentagesFrom 2013-2014 to 2020-2021, the number of associate degrees awarded is projected to increase by 11.4<div>math question</div>Mon, 27 Mar 2017 17:47:16 -05002017-03-27T17:47:16-05:00534445https://www.wyzant.com/resources/answers/295621/a_spherical_water_storage_tank_has_a_radius_of_10_ft_a_cubic_foot_of_water_is_about_7_5_gallons_how_many_gallons_will_the_tank_holdMelissa from Mooresville, NChttps://www.wyzant.com/resources/answers/users/view/86873020Math Word ProblemA spherical water storage tank has a radius of 10 ft. A cubic foot of water is about 7.5 gallons. how many gallons will the tank hold<div>A spherical water storage tank has a radius of 10 ft. A cubic foot of water is about 7.5 gallons. how many gallons will the tank hold</div>Mon, 27 Mar 2017 17:40:12 -05002017-03-27T17:40:12-05:00534444https://www.wyzant.com/resources/answers/295619/5x_4y_23_and_2x_4y_2Tanya from Brooklyn, NYhttps://www.wyzant.com/resources/answers/users/view/86872933Ordered Pairs-5x-4y=23 and 2x-4y=2<div>order of operations</div>
<div>i need the answer to x and y</div>
<div>thank you for helping</div>Mon, 27 Mar 2017 17:34:33 -05002017-03-27T17:34:33-05:00534443https://www.wyzant.com/resources/answers/295617/suppose_that_10_years_ago_you_bought_a_home_for_130_000_paying_10_as_a_down_paymentErnesto from Salt Lake City, UThttps://www.wyzant.com/resources/answers/users/view/86873008Math 1030 TrigSuppose that 10 years ago you bought a home for $130,000, paying 10% as a down payment,<div>Suppose that 10 years ago you bought a home for $130,000, paying 10% as a down payment, and financing the rest at 7% interest for 30 years.<br /><br />Your existing mortgage (the one you got 10 years ago)<br /><br />How much money did you pay as your down payment?</div>Mon, 27 Mar 2017 17:33:31 -05002017-03-27T17:33:31-05:00534442https://www.wyzant.com/resources/answers/295615/2x_3y_4_and_2x_5y_12Tanya from Brooklyn, NYhttps://www.wyzant.com/resources/answers/users/view/86872933Ordered Pairs2x-3y=-4 and 2x+5y=12<div>ordered pairs</div>
<div>i need the answer for x and y</div>
<div>please help me</div>Mon, 27 Mar 2017 17:32:10 -05002017-03-27T17:32:10-05:00