171 minutes
Explanation:
6 is the initial cost, .08 is the cost per minute and 19.68 is the total, set up an equation that looks like this: (x is the unknown variable)
6+.08x=19.68
19.68-6=13.68
.08x=13.68
.08x/.08=x
13.68/.08=171
x=171
Answer:
-78.12
Step-by-step explanation:
a 12.4x-6.3= -78.12
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Answer:
7 to the 7th power
Step-by-step explanation:
To get your answer you add your two exponents together and that becomes your new exponent. Your base number stays the same..
Answer:
Raymond was for 29 minutes on the trampoline.
Step-by-step explanation:
We are given the following in the question:
Total cost of session = $43.25
Entrance fee = $7
Cost per minute = $1.25
Let t be the minutes that Raymond was on the trampoline.
Thus, we can write
Total cost =
Entrance fee + cost per mute(minutes that Raymond was on trampoline)

Putting the values, we get,

Thus, Raymond was for 29 minutes on the trampoline.
Answer:
7.527
Step-by-step explanation:
We know that 78% of the bar is gold and the total weight is 9.65 ounces. Just multiply the total weight by 78%.
9.65(0.78)= 7.527