Answer: A,B,D,F
A. Replace "a number with the variable, n
B. The two operations are multiplication and addition
C. NO
D. The constants are 6 and 9
E. NO
F. The expression is written as 6(9 + n)
Step-by-step explanation:
Answer:
442
Step-by-step explanation:
Answer:
20 m
Step-by-step explanation:
Given:
- Length in mud = ¹/₂ its length
- Length in water = ¹/₃ its length
- Length above water = 3 ¹/₃ m
Let x be the length of the lamp post.
Convert 3 ¹/₃ to an improper fraction:
The total length of the lamp post (x) is the sum of the three given lengths:
Multiply both sides by 6:
Isolate x:
Therefore, the whole length of the post is 20 m.
Answer: $10.24
Step-by-step explanation: 12.95 * 0.15 = 1.94 12.95 - 1.94 = 11.01
11.01 * 0.07 = .77 11.01 - 0.77 = 10.24