Mathematics, 06.04.2020 22:26 GlitterGayness
Consider the parametric equationsx=cost -sint/β2y = cos t + sin t0 < t < 2pia. Eliminate the parameter to find a Cartesian equation for the parametric curve. Hint: Multiply by , then square both equations and add them together. b. Sketch the parametric curve, indicating with arrows the direction in which the curve is traced.
Answers: 2
Mathematics, 21.06.2019 15:00
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 β 4x + 8x^2) + (β6 + 2x β 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x β 5 β 7x^2) β (β2 + 6x^2 β 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by β1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.
Answers: 3
Mathematics, 21.06.2019 18:00
Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary
Answers: 2
Mathematics, 21.06.2019 18:30
Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.
Answers: 1
Mathematics, 21.06.2019 21:00
Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.
Answers: 1
Consider the parametric equationsx=cost -sint/β2y = cos t + sin t0 < t < 2pia. Eliminate the p...
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