Mathematics, 16.11.2019 05:31 log40
Aspotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating the parabola x2=3y around its axis of symmetry (assume that x and y are in units of inches). in order to have the brightest, most concentrated light beam, how far from the vertex should the bulb be placed? express your answer as a fraction or a decimal rounded to two decimal places.
Answers: 3
Mathematics, 21.06.2019 19:00
65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?
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Mathematics, 21.06.2019 19:10
Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither
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Mathematics, 21.06.2019 20:10
Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12
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