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Natali [406]
3 years ago
9

-3/2 multiplied by -5 1/4 (reasonable estimate)

Mathematics
2 answers:
Makovka662 [10]3 years ago
6 0
7.875

-3/2 = -1.5
-5 1/4 = -5.25

-1.5 • -5.25 = 7.875
abruzzese [7]3 years ago
6 0
-3/2 = -1 1/2 or - 1.5
-5 1/4 = -5/4 = -1 1/4 or -1.25
-1.5 × -1.25 = 1.875
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The sail of a boat is in the shape of a right triangle, as shown below:
dolphi86 [110]
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=====================================

Explanation:

Abbreviations:
sec = secant
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cosec = cosecant (csc is also a widely used abbreviation)

-----------------

Let the horizontal leg be x

This leg is opposite the angle 50 degrees. The hypotenuse is 7

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We'll either use the sine rule or the cosecant (csc) rule
sine = opposite/hypotenuse
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Since "sine" is nowhere to be found in the answer choices, we'll use the cosecant rule

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This is why the answer is choice C

6 0
2 years ago
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