Answer:
x = 3
Explanation:
15x + 5 + 22x + 4 + 60 = 180
37x + 69 = 180
37x = 111
x = 3
The easiest way I know is to multiply the divisor by different numbers to see how many times it will go into the dividend. multiplying 486 by 2 or three and seeing which one gets closest.
Answer:
The rate is 47.5 miles per hour :D
Step-by-step explanation:
Answer: It should be 3w - 6y + 3
Step-by-step explanation:
-Solve:

-Use Distributive Property:


-Then, combine like terms:


Result:

Answer:
x = 4
Step-by-step explanation:
√x + 1 = 3
√x = 3 - 1
√x = 2
(√x)² = (2)²
x = 4