Mathematics, 11.02.2022 02:40 RIZGT500
Kevin purchased a prepaid phone card for $30.00. Calls cost 9 cents a minute using this card. The credit, C (in dollars), left on the card after it is used for x
minutes of calls is given by the following function.
C(x) =30.00 – 0.09x
How much credit is left on the card after Kevin uses it for 20 minutes of calls?
Answers: 3
Mathematics, 21.06.2019 15:00
With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.
Answers: 1
Mathematics, 21.06.2019 16:30
The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.
Answers: 1
Mathematics, 21.06.2019 21:50
The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64
Answers: 1
Kevin purchased a prepaid phone card for $30.00. Calls cost 9 cents a minute using this card. The cr...
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