Answer:
x = 84 deg
Step-by-step explanation:
see attached.
20g=20+15g subtract 15g from both sides
5g=20 divide both sides by 5
g=4
So both plans cost the same when 4gb are used...
Convert 2 1/2 to improper fraction
= 5/2
5/2 * 1/3 = (5*1) / (2*3) = 5/6
Answer is D. x^2 > 4 (on number line, 2 is open)
Answer:
B
Step-by-step explanation:
Remark
This is a monster when you first come across it, but later on you will not be fooled.
Construction
- Draw a line from E to the center of the circle.
- Label the center of the circle O
- OE and OF are both radii.
- They form the central angle of the ArcEF
Solution
Find the value of Arc EF
The value of Arc EF = 360 - 244 = 116
The value of <FOE also = 116. (The arc and the central angle are equal.)
ΔFOE = 116 degrees See above statement
ΔFOE is isosceles Two of it's sides are radii.
The two base angles can be solved. Call each one x
2x + 116 = 180 All triangles have 180 degrees
<u> -116 -116 </u> Subtract 116 from both sides
2x = 64 Divide by 2
x = 32 <EFO = 32
<EFO = 90 Where the tangent meets the radius forms a 90o angle.
<EFO + GFE = 90
32 + GFE =90
GFE = 90 - 32
GFE = 58
Answer: B