Answer:
x=72 and the exterior angle is 154
Step-by-step explanation:
We will call the unknown angle in the triangle y. Angle y and the angle (2x +10) form a straight line so they make 180 degrees.
y + 2x+10 =180
Solve for y by subtracting 2x+10 from each side.
y + 2x+10 - (2x+10) =180 - (2x+10)
y = 180-2x-10
y = 170-2x
The three angles of a triangle add to 180 degrees
x+ y+ 82 = 180
x+ (170-2x)+82 = 180
Combine like terms
-x +252=180
Subtract 252 from each side
-x+252-252 = 180-252
-x = -72
Multiply each side by -1
-1*-x = -72*-1
x=72
The exterior angle is 2x+10. Substitute x=72 into the equation.
2(72)+10
144+10
154
Answer: There are 160 different rings.
Step-by-step explanation:
The question is missing, i guess you want to know the number of different rings that the jewelry has:
For the material we have 2 options.
For the stile we have 8 options
For the gem we have 10 options.
Now, the total number of possible combinations is equal to the product of the number of options for each selection, this is:
Combinations = 2*8*10 = 160
Answer:
apprx. 8.06
Step-by-step explanation:
I hope this helps :)
I think it is $15.12
I hope that helps!!!!!!
: )
