Mathematics, 18.03.2022 01:00, estrellagutierrez12
2. A local gym wants to determine whether there is a significant difference between the average
amount of time people spend exercising at the gym each month and the average amount of time
people spend exercising outdoors each month. The data they collected is shown in the table.
January February March April May June
Gym
6.2
4.1
3.4
2.2
0.8
1.1
Outdoors
1.5
0.9
1.7
3.2
4.3
4.2
Difference
4.7
3.2
1.7
-1
-3.5-3.1
(Gym - Outdoors)
How is the test statistic calculated? (Note that intermediate calculations have been rounded to 4
decimal places.)
Answers: 1
Mathematics, 21.06.2019 15:00, maraa013001
Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 โ 4x + 8x^2) + (โ6 + 2x โ 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 โ 5 โ 7x^2) โ (โ2 + 6x^2 โ 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by โ1. 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 21:00, palomaresmitchelle
Which expression is equal to (21)(7)(3x) using the associative property? (21 ยท 7 ยท 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)
Answers: 2
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