Mathematics, 06.04.2021 02:50 kimjooin02
More than a decade ago, high levels of lead in the blood put 86% of children at risk. A concerted effort was made to remove lead from the environment. Now, suppose only 16% of children in the United States are at risk of high blood-lead levels. A button hyperlink to the SALT program that reads: Use SALT. (a) In a random sample of 180 children taken more than a decade ago, what is the probability that 50 or more had high blood-lead levels
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Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2
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For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
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