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zmey [24]
3 years ago
14

Amani purchased a prepaid phone card for $15. Long distance calls cost 19 cents a minute using this card. Amani used her card on

ly once to make a long distance call. If the remaining credit on her card is $12.34, how many minutes did her call last? Minutes
Mathematics
1 answer:
Iteru [2.4K]3 years ago
7 0

Subtract the balance from the original amount:

15 - 12.34 = 2.66

Now divide the amount spent by price per minute:

2.66 / 0.19 = 14

The call lasted 14 minutes.

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Relative density was determined for one sample of second-growth Douglas fir 2 x 3 4s with a low percentage of juvenile wood and
Citrus2011 [14]

Answer:

0.03865

Step-by-step explanation:

Since the true density for the two types of trees are given, we would evaluate the average for both of them

Low percentage of juvenile wood density = 0.523 and 0.0543

Average density = 0.523 + 0.0543/2

Average density = 0.55015

Moderate percentage of juvenile wood density = 0.489 and 0.0450

Average density = 0.489 + 0.0450/2

Average density = 0.5115

Therefore, difference in true average density for the two woods are = 0.55015 - 0.51150

= 0.03865

5 0
3 years ago
M=-3/7 ; (-5,6) what is the equation of the line
exis [7]
Y - 6 = -3/7(x + 5)

y - 42/7 = -3/7x - 15/7

y = -3/7x + 27/7
6 0
3 years ago
How do I solve this?
Aleksandr-060686 [28]
First you have to set up your equation. 5x+80 and x+15. 
8 0
3 years ago
Read 2 more answers
Graph. y&lt;-x-2<br> y2-5x+2
andrew-mc [135]

Answer:

y < -6x/5 + 2/5

Step-by-step explanation:

Hope this helps have a good day

7 0
3 years ago
Need to find what x and y equals
dexar [7]

The two angles with x in them are the same. Set them equal to each other and solve for x:

4x-5 = 3x + 11

Add 5 to both sides:

4x = 3x +16

Subtract 3x from both sides:

x = 16

Now solve for the angle next to y:

4x - 5 = 4(16) -5 = 64 -5 = 59

Y + 59 make a straight line and equals 180, so subtract 59 from 180 to get y:

y = 180 - 59 = 121

Answers:

X = 16, y = 121

8 0
3 years ago
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