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3 years ago

Cos w, if tan w=-10/9 and sin w> 0

Mathematics

1 answer:

Veseljchak [2.6K]3 years ago

5 0

Answer:

tan(x)=512 can be thought of as the ratio of opposite to adjacent sides in a triangle with sides 5,12 and 13 (where 13 is derived

Step-by-step explanation:

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2 years ago

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The length of a rectangle is 3 times it’s width. if the perimeter is 56 feet what is the area

Alina [70]

Answer:

Step-by-step explanation:

L=3W

P=2L+2W

56=2*3W+2W

56=6W+2W

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W=7 ANSWER

FOR THE WIDTH.

L=3*7=21 ANS.

FOR THE LENGTH.

PROOF:

56=2*21+2*7

56=42+14

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3 years ago