Answer:
c. 6 units
Step-by-step explanation:
The diameter of a circle with a circumference of 18.84956 is 6 units.
Use the formula: C=2πr
d=C
π=18.85
π≈6
Answer:
$42.02
Step-by-step explanation:
15% discount therefore if you want to find the original price it would be 100% plus 15% = 115%
Multiply the percentage (convert to decimal first) with the discounted value:
1.15(36.54) = 42.021
Answer: .
Step-by-step explanation:
Total amount remaining = Initial amount in the card-( Cost per cup × (Number of cups) )
Each cup of coffee costs $1.50 and after buying 4 cups of coffee, the card had a $9 remaining balance.
i.e. 9 = Initial amount in card - (1.50 × 4)
⇒ 9 = Initial amount in card - (6)
⇒ Initial amount in card = 9+-6 =15
⇒ Initial amount in card = $15
Let A be the amount money remaining on the card after buying x cups of coffee.
So, A = 15 - 4x
Hence, the required equation is .
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