Each CD at a music store is sold for $10. If n represents the number of CDs sold, which equation could be used to find the total
number of dollars, d, the store receives from CD sales?
1 answer:
Answer:
10n = d
Step-by-step explanation:
We know that
Each CD is sold for 10 dollars
The music store has sold n amount of CD's
The total number of dollars 'd' depends on how many CD's were sold
The equation is: 10n = d
Hope this helps!
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Step-by-step explanation:
∵ m∠R = 78° , m∠T = 39° , TS = 19
∵ By using sin Rule:
∵ ST/sin∠R = RS/sin∠T
∴ 19/sin78 = RS/sin39
∴ RS = (19 × sin39) ÷ sin 78 = 12.2 in ⇒ answer (a)
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