Mathematics, 14.06.2020 03:57 leannamat2106
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Gary mixes a solution using two types of concentration of salt: 0.70 gallons of 5% salt and 0.30
gallons of 22% salt.
What is the salt concentration of the mixed solution? Answer choices are rounded to the nearest
whole percent.
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O 17%
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63%
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Mathematics, 21.06.2019 22:20
1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.
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Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
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Unit 2 Tutorials
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Question 1
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Computers and Technology, 07.12.2019 01:31