The 5x and the combination of (40° + x) are "vertical angles".
Vertical angles are equal.
So
5x = 40° + x
Subtract 'x' from each side: 4x = 40°
Divide each side by 4 : x = ?
A)
Exact Form:
−31/3
Decimal Form:
−10.33333
Mixed Number Form:
-10 1/3
b)
Exact Form:
17/12
Decimal Form:
1.416666
Mixed Number Form:
1 5/12
<span>-10
-(100) ^1/2
</span><span>100 ^1/2 </span>
Answer: Substitution
Step-by-step explanation:
Because you know A is equal to B, you can substitute A for B in any mathematical equation. Essentially, you are switching mA $ mB.
An equinox is when there are equal amounts of daylight and hours in the night. The equinox falls twice in a year and there is a winter solstice and a summer solstice.
