Penelitian ini bertujuan untuk mengetahui dan menganalisis pengaruh CAR, BOPO, NPF dan FDR terhadap profitabilitas pada bank umum syariah di Indonesia. Populasi dalam penelitian ini adalah semua Bank Umum Syariah yang berada di Indonesia. Sampel yang digunakan adalah purpossive sampling yaitu teknik penentuan sampel dengan pertimbangan tertentu. Bank Umum Syariah yang memenuhi kriteria untuk menjadi sampel adalah dua Bank Umum Syariah, yaitu Bank Syariah Mandiri dan Bank Negara Indonesia Syariah. Jadi, pada penelitian ini terdapat 32 titik amatan (4 tahun x 4 triwulan x 2 bank = 32). Hasil pengujian menunjukkan bahwa CAR, BOPO dan NPF berpengaruh negatif terhadap profitabilitas bank umum syariah di Indonesia. Sedangkan FDR berpengaruh positif terhadap profitabilitas bank umum syariah di Indonesia.

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This study aims to review and look at politeness strategies in the Classroom Context by English University Students. Politeness in English language teaching is still a major concern. This is considered a way of ensuring positive contact in the classroom. As an essential actor in the class, teachers and students must also cultivate politeness as a way to establish positive engagement in the classroom. In order to investigate the politeness phenomenon in EFL interaction, the researchers applied a descriptive qualitative research method. Two sections of English literature were included in this research. The key data sources were the individual student presentations recorded. The recording took fifty transcripts, which lasted between five and seven minutes for each performance. The transcripts were examined and debated on the basis of Brown and Levinson's theory of politeness. The findings of this research indicate that English students used different types of words to express their courtesy within the classroom. Such phrases were in the form of greetings, thanks, apologies and fillers. Some terms were also taken from the vernacular language of students who acted as a tool to soften their presentation. Such words were marked as positive and negative politeness. The results of this study could be used as a means of establishing effective interaction between teachers and students in the classroom.

<span>Echocardiography is a method of examination using high-frequency sound waves to capture images of the heart organ structure. Echocardiography video is used by a doctor to analyze heart wall cavity movements and identify heart disease. Several points of view including the long axis, the two and four cavities in the left ventricle can be used in the examination of heart function. Cardiac assessment is still performed conventionally, which requires a level of thoroughness. This research proposes a method for tracking the movement of the heart wall. In this method, the good feature was defined only in the first frame. Furthermore, the whole frame will be processed by the optical flow method. Good feature definition consists of image enhancement, segmentation and tracking processes using the optical flow. Furthermore, the calculation of contour similarity from the proposed method by forming contour manually using 24 point initialization to draw the heart cavity. The proposed method shows the calculation results with a sensitivity of 90% and an accuracy of 87.451%.</span>

This research aims to examine and analyze the effect of cash holding, bonus plan, zise company and profitability to income smoothing.This research was conducted at the food and beverage sector manufacturing companies in the 2016-2018 period.The samples were 36 sub-districts selected by the non-method is purposive sampling for 18 the food and beverage sector manufacturing companies in the 2016-2018 period. The data analysis model used in this research uses multiple regression analysis techniques using spss V. 23. The results of this study indicate that cash holding, bonus plan, zise company and profitability positive and significant effect to income smoothing