Mathematics, 30.07.2021 17:00 3steves
Một lớp học có 45 học sinh gồm ba loại: giỏi, khá, trung bình. Số học sinh giỏi chiếm 20% số học sinh cả lớp. Số học sinh còn lại bằng 9 2 số học sinh trung bình (số học sinh còn lại gồm hai loại: khá, trung bình). a) Tính số học sinh mỗi loại? b) Tính tỉ số phần trăm giữa số học sinh khá so với số học sinh cả lớp.
Answers: 1
Mathematics, 21.06.2019 16:40
Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.
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Mathematics, 21.06.2019 19:30
Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28
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Mathematics, 21.06.2019 22:00
After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. you notice the rainbow is the shape of a parabola. the equation for this parabola is y = -x2 + 36. graph of a parabola opening down at the vertex 0 comma 36 crossing the x–axis at negative 6 comma 0 and 6 comma 0. in the distance, an airplane is taking off. as it ascends during take-off, it makes a slanted line that cuts through the rainbow at two points. create a table of at least four values for the function that includes two points of intersection between the airplane and the rainbow. analyze the two functions. answer the following reflection questions in complete sentences. what is the domain and range of the rainbow? explain what the domain and range represent. do all of the values make sense in this situation? why or why not? what are the x- and y-intercepts of the rainbow? explain what each intercept represents. is the linear function you created with your table positive or negative? explain. what are the solutions or solution to the system of equations created? explain what it or they represent. create your own piecewise function with at least two functions. explain, using complete sentences, the steps for graphing the function. graph the function by hand or using a graphing software of your choice (remember to submit the graph).
Answers: 2
Mathematics, 22.06.2019 01:30
Write 37/22 as a decimal rounded to the nearest hundredth.
Answers: 2
Một lớp học có 45 học sinh gồm ba loại: giỏi, khá, trung bình. Số học sinh giỏi chiếm 20% số học sin...
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