Mathematics Test—No Calculator - SAT Suite of Assessments

degrees, where sine of . x degrees equals four fifths. What is cosine of, parenthesis, 90 degrees minus . x. degrees, close parenthesis ? Answer and explanation for . question 19. Question 20. If . a, equals 5 times the square root of 2 and 2 a, equals the square root of 2 x, what is the value of . x? Answer and explanation for . question 20. Stop. ................
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