2 answers:
Answer:
6.25h ≥ 143.75; h ≥ 23; 23 hours
Step-by-step explanation:
Levi earns $6.25 per hour after school. Since he needs at least $143.75 to get a stereo the amount he wants should be equal to or greater than $143.75.
Let h = number of hours worked
The expression can be written as follows:
6.25 × h ≥ 143.75
6.25 h ≥ 143.75
divide both sides by 6.25
h ≥ 143.75/6.25
h ≥ 23 hours
Answer:
h = 23 hours
Step-by-step explanation:
Take 143.75 and divide it by 6.25
143.75/6.25 = 23
23 is the answer
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16, 477.
Step-by-step explanation:
Answer:
-9
Step-by-step explanation:
The applicable exponent rule is ...
a^b·a^c = a^(b+c)
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For the y factor, ...
y^-13 · y^4 = y^(-13+4) = y^-9 . . . . . exponent of -9
The answer is infinite because they equal each other
Answer:
87.407
Step-by-step explanation:
circumference = 2*pie*r
= 2*pie*17
=106.8/2
=53.4
53.4+(17*2)
=87.4
