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Mashcka [7]
3 years ago
5

Using the Law of Sine or Cosine, solve for the unknown variable (round to the

Mathematics
1 answer:
Slav-nsk [51]3 years ago
4 0

Answer:

33.18208

Step-by-step explanation:

This can be solved via Law of Sines, but I´m gonna use sines for the sake of efficiency. :P

So, you have your 3 values and unknown length x.

First set up your proportions: \frac{sin(65)}{x}=\frac{sin(35)}{21}

Cross multiply. x=\frac{21sin(65)}{sin(35)}

Simplify. x=33.18208

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Zina [86]

Answer:

0.16

Step-by-step explanation:

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3 years ago
50 POINTS!PLEASE HELP
Mamont248 [21]

Step-by-step explanation:

For no 1...

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4 0
3 years ago
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Select the correct answer from each drop-down menu.
german

5 is a coefficient.  A coefficient is a number multiplied by a variable.


(2y+13) is a factor.  It can be multiplied by 8 to get an extended answer.


-1 is a constant.  A constant is a number that does not change.


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7 0
3 years ago
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(5x - 2y)^3<br> Expand using Bionomial Theorum. Show steps, please.
tatyana61 [14]

Answer:

125x³ − 150x²y + 60xy² − 8y³

Step-by-step explanation:

(5x − 2y)³

₃C₀ (5x)³ (-2y)⁰ + ₃C₁ (5x)² (-2y)¹ + ₃C₂ (5x)¹ (-2y)² + ₃C₃ (5x)⁰ (-2y)³

(1) (125x³) (1) + (3) (25x²) (-2y) + (3) (5x) (4y²) + (1) (1) (-8y³)

125x³ − 150x²y + 60xy² − 8y³

7 0
3 years ago
Determine the area of a square with side length 2√7 in.
Ainat [17]

Answer:

28 inch

Step-by-step explanation:

The length of all four sides of square is equal.

The formula used for finding the area of square is:

Area = (Length) × (Length)

Thus, the Area of square whose length is 2√7 is:

Area = 2√7 × 2√7

⇒ Area = 4 × 7 = 28 inch.

3 0
3 years ago
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