Answer:
Step-by-step explanation:
-3x+10=21
-3x=21-10
-3x=11
x=11/-3
x=- 11/3
Answer:
B. $96.04
Step-by-step explanation:
112.99 - 15%=96.04
Answer: 12.6 m
Step-by-step explanation:
Use the pythagorean theorem, we get that the height, or x, is
sqrt(22x22-18x18) = sqrt(484-324) = sqrt(160) = 4sqrt(10) = 12.6 m
Step 2: commutative property of multiplication
Step 3: multiplicative inverse
Step 4: multiplicative identity