Answer:
x = 3
Step-by-step explanation:
Given
x - 4 = - 2
Multiply through by 3 to clear the fraction
2x - 12 = - 6 ( add 12 to both sides )
2x = 6 ( divide both sides by 2 )
x = 3
A clothing store buys jeans for x dollars each then sells them at a markup of 73%. Which expression would represent the retail p
1 answer:
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Answer:
A. A(n) = 150 • (0.74)^n–1 ; 33.29 cm
Step-by-step explanation:
This is a geometric sequence.
a%5B1%5D=1.5m=150cm, r=0.74
The formula is
a%5Bn%5D=a%5B1%5Dr%5E%28n-1%29
Just substitute a1 = 150cm and r = 0.74
a%5Bn%5D=150%280.74%29%5E%28n-1%29
That's the rule.
For the second part, substitute n = 6
cm.
Answer:
Step-by-step explanation:
We want to simplify:
We convert to improper fraction to get:
We now deal with the parenthesis by multiplying with the reciprocal of 2.
This gives:
We multiply to get:
This simplfies to:
We write as mixed number