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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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Help me please I don’t u understand
german

Answer:

Step-by-step explanation:

s=18, t=18 the s gives t x sweets

s=18-x, t=18+x, s eats 5 and t eats half

s=18-5-x, t=(18+x)/2

Reamining sweets is

R=s+t

R=18-5-x+(18+x)/2

R=13-x+(18+x)/2

R=(26-2x+18+x)/2

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What is the answer too this,it’s rational numbers - 3.3(6)= ?
Sloan [31]

Answer:

the answer is -19.8.

5 0
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What is the value of <br><br>(8+3k)²-(-k-6)²¹ if k=5​
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Step-by-step explanation:

3 0
2 years ago
−6.2&lt;−4.5, yet |−6.2|&gt;|−4.5|. Use a number line to show why.
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Step-by-step explanation:

3 0
3 years ago
Given the table below, determine if the data represents a linear or an exponential function and find a possible formula for the
strojnjashka [21]
The answer is C) y=14(0.9)ˣ and it's an exponential function

PROOF 

Give to x the respective values of x & calculate y, using y = 14(0.9)ˣ

x         |       y
---------|---------
0         | 14(0.9)⁰ = 14
1         | 14(0.9)¹ = 12.6
2         | 14(0.9)² = 11.34
3         | 14(0.9)³ = 10.206
4         | 14(09)⁴ =  9.1845
4 0
3 years ago
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