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Vladimir79 [104]
3 years ago
14

A student earned a grade 80% on a math test that had 20 problems. How many problems on this test did the student answer correctl

y?
Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

16

Step-by-step explanation:

5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80

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In the rectangle below AC has a length of 28. What is the length of ED? If necessary, round your answer to two decimals places.
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<span>The diagonals of a rectangle have equal lengths. Since AC has a length of 28, and AC is a diagonal, the other diagonal BD also has a length of 28. The diagonals of a rectangle also bisect each other. So diagonal BD is bisected by the other diagonal AC at point E. And since diagonal BD has a length of 28 then BE and ED both have a length which is of 28, or 14 each.

Answer: ED has a length of 14.</span>
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