Answer:
![\displaystyle x \approx 53.1^\circ](https://tex.z-dn.net/?f=%5Cdisplaystyle%20x%20%5Capprox%2053.1%5E%5Ccirc)
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality<u>
</u>
<u>Trigonometry</u>
- [Right Triangles Only] SOHCAHTOA
- [Right Triangles Only] cosθ = adjacent over hypotenuse
- Inverse Trig
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify variables</em>
Angle θ = <em>x</em>
Adjacent Leg = 15
Hypotenuse = 25
<u>Step 2: Solve for </u><em><u>x</u></em>
- Substitute in variables [Cosine]:
![\displaystyle cosx^\circ = \frac{15}{25}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20cosx%5E%5Ccirc%20%3D%20%5Cfrac%7B15%7D%7B25%7D)
- Simplify:
![\displaystyle cosx^\circ = \frac{3}{5}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20cosx%5E%5Ccirc%20%3D%20%5Cfrac%7B3%7D%7B5%7D)
- Inverse Trig:
![\displaystyle x^\circ = cos^{-1}(\frac{3}{5})](https://tex.z-dn.net/?f=%5Cdisplaystyle%20x%5E%5Ccirc%20%3D%20cos%5E%7B-1%7D%28%5Cfrac%7B3%7D%7B5%7D%29)
- Evaluate:
![\displaystyle x = 53.1301^\circ](https://tex.z-dn.net/?f=%5Cdisplaystyle%20x%20%3D%2053.1301%5E%5Ccirc)
- Round:
![\displaystyle x \approx 53.1^\circ](https://tex.z-dn.net/?f=%5Cdisplaystyle%20x%20%5Capprox%2053.1%5E%5Ccirc)
5866.66 feet
Step-by-step explanation:
Step 1:
Let the Golden gate bridge be 220 feet tall before using scale ratio.
Here the scale ratio given is for 3 feet = 80 feet is the scale ratio.
Step 2:
To convert the 220 feet tall gate bridge in this conversion we have to do following things.
Let 220 feet contains 73.33 × 3 feet.
For every 3 feet it is equal to 80 feet.
220 feet is approx equal to 73.33 × 80 = 5866.66 feet
<span>x = -2.375 Hopefully that helps :)</span>
Answer: she bikes 3 and 1/5 or 16/5
Step-by-step explanation: when you multiply them you get that answer
Answer:
8 hours 30 minutes
Step-by-step explanation: