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Write a proportion to find how many points x a student needs to score on a test worth 50 points to get a test score of 78%

Sagot :

Answer:

surfaces curving inward, so it makes parallel light rays curve outward or diverge. That's why concave lenses are sometimes called diverging lenses. ... The distance from the center of the lens to the focal point is, again, the focal length of the lens.

Step-by-step explanation: