Mathematics, 20.11.2019 05:31, Isabella1319
Under which condition does a light ray striking a concave mirror reflect off parallel to the principal axis? . . a. when the incident ray passes from a point anywhere between the center of curvature and the focal point . b. when the incident ray passes through the center of curvature . c. when the incident ray passes through the focal point . d. when the incident ray passes through a point beyond the center of curvature . e. when the incident ray passes through a point anywhere between the focal point and the vertex . can someone explain in advance
Answers: 2
Mathematics, 21.06.2019 20:30, alexialiles19
Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 21.06.2019 23:00, lizbethmillanvazquez
Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase
Answers: 1
Under which condition does a light ray striking a concave mirror reflect off parallel to the princip...
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