Answer:
C. 17.6
General Formulas and Concepts:
<u>Math</u>
<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] tanθ = opposite over adjacent
Step-by-step explanation:
<u>Step 1: Identify Variables</u>
Angle θ = 40°
Opposite Leg = <em>x</em>
Adjacent Leg = 21
<u>Step 2: Solve for </u><em><u>x</u></em>
- Substitute in variables [tangent]:
- [Multiplication Property of Equality] Isolate <em>x</em>:
- Rewrite:
- Evaluate:
- Round:
Answer:
Step-by-step explanation:
Since, the given function,
⇒
⇒
⇒
⇒
Since, this form of f(x) reveals the zeros of f(x).
Therefore, this is the required form.
I would use the distance formula to solve this problem:
Distance formula:
(x1,y1) = (3,5)
(x2,y2)= (0,1)
Plug in points to find radius:
r=
r=
r=
r=
r=
r=
r= 5 units
To find the other point on the circle that crosses the y-axis change the sign of y2.
(x1,y1) = (3,5)
(x2,y2) = (0,-1)