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dybincka [34]
3 years ago
9

Jen wants to tile the floor of her kitchen. The floor is rectangular and measures 12 feet by 8 feet. If it costs $2.50 per squar

e foot for the materials, what is the total of the materials for tiling the kitchen floor?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
I hope this helps you

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Someone help me please
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Important notes:

3 sides 1 angle - COSINE RULE

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since, the question wants to find the length of BC. In the end we will have 3 sides and 1 angle and use cosine rule

formula of cosine rule:

a² = b² + c² - 2bc Cos A° (to find the length)

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So just substitute,

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5 0
2 years ago
-845 degree coterminal angle
meriva
Check the picture below.

with negative angles, we go "clockwise", the same direction a clock hands move.

so -360-360-125 = -845.

so as you see in the picture, you go around twice, and then a little bit more, an extra 125°, landing you at -125°, or its positive counterpart, 235°.

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Simplify the sum or difference of Square root 5+6 Square root 5
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Hello there.

<span>3×9+10× 

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