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motikmotik
3 years ago
15

Yolanda purchased a prepaid phone card for $20. Long distance calls cost 14 cents a minute using this card. Yolanda used her car

d only once to make a long distance call. If the remaining credit on her card is $14.12, how many minutes did her call last?
Mathematics
1 answer:
grigory [225]3 years ago
6 0
42 minutes is the answer I think


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Find the distance between (5, -4) and (-1, -2)
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Answer: The distance is sqrt(40).

Step-by-step explanation:

Let's use the Pythagorean Theorem (a^2 + b^2 = c^2)

(Look at the image I attached)

Let's set a = 2 and b = 6. The mystery side is c, which is opposite to the right angle that is formed when you draw perpendicular lines from each of the points.

(2)^2 + (6)^2 = c^2 <--- First, we need to simplify

4 + 36 = c^2

40 = c^2 <--- Now, we need to take the square root of both sides.

c = sqrt(40)

So, the distance between (5, -4) and (-1, -2) is sqrt(40). I recommend looking at some videos on Khan Academy if you need more help! Let me know if you want me to attach a link that you can visit.

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Answer:

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Complete question :

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Given that:

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Answer:

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Step-by-step explanation:

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