I need help with this question i will need full working out could u help?
1 answer:
Answer:
Total charge=
Step-by-step explanation:
The basic plan of Jo's mobile phone costs which includes
150 free minutes and 13p for each additional minute
150 free texts and 15p for each text
Since Jo made 170 minutes of calls, she exceeded the free minutes and had to pay
170 - 150 = 20 additional minutes, worth 13*20/100=
She also sent 182 texts, 182 - 150 = 32 in excess, worth
So the total charge for the month was
Total charge=
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Answer:
Therefore,
Wind speed of a Tornado when it travels 4 miles is 121.0 miles per hour.
Step-by-step explanation:
Given:
The wind speed near the center of a tornado is represented by the equation,
Where,
d = the distance, in miles
S = the wind speed, in miles per hour.
To Find:
S = ? at d = 4 miles
Solution:
We have
.........Given
Substitute d = 4 in above equation we get,
Rounding the answer to the nearest tenth we have
Therefore,
Wind speed of a Tornado when it travels 4 miles is 121.0 miles per hour.