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Rudik [331]
3 years ago
9

Square root of 405, simplfiy and give the exact value

Mathematics
2 answers:
dexar [7]3 years ago
4 0
Sq. root of 405= approximately positive or negative 20.124611797498107267682563018581

Its irrational. This is as far as the calculator goes.
Sonja [21]3 years ago
4 0
Your answer without a decimal would be as follows:

9 (Sqr Root sign)5

9 is on the outside of square root sign and five is on the inside.
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luke jogged a total of 56.5 miles last week. if luke jogged the same distance,d, each day for 3 days and half that distance on e
Leokris [45]
The algebraic equation used to answer this question is:
3d + 4(1/2d) = 56.5
This is because he ran d, the distance, three times that week. For the rest of the four days, he ran 1/2 the distance, or half d.
To find the answer, you first distribute:
3d + 2d = 56.5
Add like terms:
5d = 56.5
Divide both side by 5:
5d/5 = 56.5/5
d = 11.3
On the first three days, Luke jogged 11.3 miles. On the remaining days, where he jogged 1/2d, Luke jogged 5.65 miles.
Hope this helps!
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