To add with powers, both the variables and the exponents of the variables must be the same. You perform the required operations on the coefficients, leaving the variable and exponent as they are. When adding with powers, the terms that combine always have exactly the same variables with exactly the same powers
http://www.wikihow.com/Add-Exponents#Adding_Variables_with_Exponents_sub
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Answer:
C
Step-by-step explanation:
It's about making up a rule that gets from one figure to the next. Here's the rule I used:
The bottom left segment is rotated 1/8 turn CW from one figure to the next.
The top middle segment is rotated 1/4 turn CW from one figure to the next.
After steps, the top middle segment will be back in the same place. The lower left segment will be in the opposite corner. This corresponds to figure C.
Step-by-step explanation:
so pretty much y= is the line that goes up and it has its own numbers right. the x= is the line that goes at the bottom right right
Answer:
C) 19
Step-by-step explanation:
The two angles next to each other are complementary angles meaning they add up to 90°. We can use this information to solve for y:
3y + 2 + 31 = 90
3y + 33 = 90
3y = 57
y = 19