I need help with this question
...
Answers: 3
Mathematics, 21.06.2019 20:30
Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters
Answers: 1
Mathematics, 21.06.2019 23:40
Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.
Answers: 2
Mathematics, 22.06.2019 01:30
Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.
Answers: 2
Mathematics, 22.06.2019 03:00
He letter p on the number line below represents the number . (use the hyphen for negative numbers and write answer as a decimal, such as –7.2) number line from negative 7 to positive 7 in increments of 0.5 is shown. only the whole numbers are labeled. a point labeled p is placed at the eleventh tick mark to the left of 0.
Answers: 3
Geography, 12.07.2019 09:00
Social Studies, 12.07.2019 09:00
Chemistry, 12.07.2019 09:00
History, 12.07.2019 09:00
Social Studies, 12.07.2019 09:00
Mathematics, 12.07.2019 09:00
Biology, 12.07.2019 09:00
English, 12.07.2019 09:00
Mathematics, 12.07.2019 09:00
Mathematics, 12.07.2019 09:00
Mathematics, 12.07.2019 09:00