A fruit punch that contains 70% fruit juice is combined with 100% fruit juice. How many ounces of each should be used to make 42 oz of a mixture that is 90% fruit juice?

Part 1 of 2
[blank] oz of 70% fruit juice are required.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Can someone tell me if this is perpendicular? !

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.