Mathematics, 15.10.2019 18:20 jadahilbun01
In a recent national survey, 16,262 students in 151 schools completed questionnaires about physical activity. male students (55.5%) were significantly more likely than female students (42.3%) to have played on sports teams run by their school during the 12 months preceding the survey. source: national centers for disease control and prevention, 1997 youth risk behavior surveillance system. check the accuracy of the statement "significantly more likely," assuming that there were equal numbers of male and female students in this survey and that the sample is equivalent to a simple random sample
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Mathematics, 21.06.2019 15:30
Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?
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Mathematics, 21.06.2019 18:30
Divide. write in the simplest form. 4 1/6 divided by 10
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Mathematics, 21.06.2019 22:00
Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4
Answers: 2
Mathematics, 21.06.2019 23:20
1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given
Answers: 3
In a recent national survey, 16,262 students in 151 schools completed questionnaires about physical...
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