Which expression models the following phrase: "an hourly wage of $12.75"?
1 answer:
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Answer:
In the operation, simplify
9-a² = (3-a)(3+a)
Factorize
4a²-4a-24-------------------divide each term by 4
a²-a-6-------------------------factorize
a²-3a+2a-6
a(a-3)+2(a-3)
(a+2)(a-3)
Factorize
a²-6a+9
a²-3a-3a+9
a(a-3)-3(a-3)
(a-3)(a-3)
Rewrite operation as
Multiply by the recipricol
cancel the similar terms
Answer:
The friends live 285 miles apart.
Step-by-step explanation:
Let total distance in miles Sean needs to cover to visit his friend be =
On first hour distance traveled in miles is =
Distance left to cover after first hour =
On second hour distance traveled = 34 miles
Distance to still left to be covered = 194 miles
Total distance to be covered after first hour will be = = 228 miles
Thus, the equation can be given as:
⇒
Multiplying each term with 5 to remove fractions.
⇒
⇒
⇒
Dividing both sides by 4.
⇒
∴
Thus, the friends live 285 miles apart.