Mathematics, 15.04.2020 04:01 u8p4
The water level in a test pool changes due to the weather conditions: when the temperature increases some water evaporates, when itβs raining the water level increases. This level can be described by the normal distribution with the mean 20 ft and the standard error 1.8 ft. Find an interval that contains the middle 95% of area in this distribution.
Answers: 3
Mathematics, 21.06.2019 12:50
What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18
Answers: 1
Mathematics, 21.06.2019 14:10
You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.
Answers: 3
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 16:50
If the table of the function contains exactly two potential turning points, one with an input value of β1, which statement best describes all possible values of m? m β₯ β12 β12 < m < 4 m β€ 4 m β₯ 4 or m β€ β12
Answers: 1
The water level in a test pool changes due to the weather conditions: when the temperature increases...
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