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Andreas93 [3]
3 years ago
11

Sadie needs 5.5 yards to make one costume for each choir member in the play. How much fabric will she need if she has to make 7

costumes?
Mathematics
2 answers:
marshall27 [118]3 years ago
7 0
Sadie needs 38.5 yards of fabric
PIT_PIT [208]3 years ago
3 0
Since she is making multiple costumes and needs 5.5 yards for each you must multiply 5.5 by how many costumes will be made.
5.5 * 7 = 38.5
She will need 38.5 yards of fabric
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Cos 0 = 12/13. Find sin 0.<br> A. 5/12<br> B. 12/5<br> C. 13/12<br> D. 5/13
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Answer:

Sine θ = 5/13

Step-by-step explanation:

From the question given above, the following data were obtained:

Cos θ = 12/13

Sine θ =?

Next, we shall determine the opposite. This can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos θ = 12/13

Adjacent = 12

Hypothenus = 13

Opposite =?

Hypothenus² = Opposite² + Adjacent²

13² = Opposite² + 12²

169 = Opposite² + 144

Collect like terms

169 – 144 = Opposite²

25 = Opposite²

Take the square root of both side

Opposite = √25

Opposite = 5

Finally, we shall determine the Sine θ. This can be obtained as follow:

Opposite = 5

Hypothenus = 13

Sine θ =.?

Sine θ = Opposite / Hypothenus

Sine θ = 5/13

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