3 years ago

Don't know how to solve this? Please show work, thank you

Mathematics

1 answer:

sashaice [31]3 years ago

5 0

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i need help with 3 (along with 3a-c) i am confused on what to do with the numbers that are in degrees...

iVinArrow [24]

Answer:

The answer to your question is below

Step-by-step explanation:

Let p = $\frac{cos x + siny}{\sqrt{w^{2} - z}}$

x = 36°

y = 18°

w = 29

z = 21.8

- Substitution

p = $\frac{cos 36 - sin 18}{\sqrt{29^{2} - 21.8}}$

- Simplification

p = $\frac{0.809 - 0.309}{\sqrt{841 - 21.8}}$

p = $\frac{0.5}{\sqrt{819.2}}$

p = $\frac{0.5}{28.622}$

a) Result

p = 0.017469281

b) Three significant figures

p = 0.017

c) Scientific notation

p = 1.7 x 10⁻²

a = 1.7 k = -2

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