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marta [7]
4 years ago
6

Lisa purchased a prepaid phone card for $25 . Long distance calls cost 12 cents a minute using this card. Lisa used her card onl

y once to make a long distance call. If the remaining credit on her card is $19.96 , how many minutes did her call last?
Mathematics
1 answer:
erma4kov [3.2K]4 years ago
8 0
Her call lasted 42 minutes.
Find the difference between 25 and 19.96 and divide the difference by 12.
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0.252 divided by 4.2
bixtya [17]

Answer:

0.06

Step-by-step explanation:

I got the answer right on my math test, so I hope this helps!

3 0
3 years ago
Royston plays a video game 7 times. His scores are 60, 65, 66, 74, 69, 72, and 63. Which is the best measure of center of Raysto
balandron [24]

Answer:

The mean will be the best instrument to measure Royston's performance

Step-by-step explanation:

hope this helps

8 0
3 years ago
At the end of the summer, Caitlin had saved $120 from her summer job. This was her initial deposit into a new savings account at
Vera_Pavlovna [14]
<span>Let x = represent the number of weeks of deposits
A = 120 + 5x the account balance after x weeks
The account balance is directly proportional to the number of weeks of deposits if:
A/x = constant
(120 + 5x)/x = 120/x + 5 is not a constant
For example:
After 1 week there will be: 120 + 1*5 = $125 on the account
After 2 week there will be: 120 + 2*5 = $130 on the account
After 3 week there will be: 120 + 3*5 = $135 on the account
But 125/1 <> 130/2 <> 135/3
The account balance is not proportional to the number of weeks of deposits.</span>
8 0
3 years ago
What is the expanded form of 3x(x+3)^2?
Dominik [7]
We need to expand the square binomial and then multiply:
<span>3x(x + 3)^2
= 3x(x + 3)</span>(x + 3<span>)
= 3x(x^2 + 6x + 9)
= 3x^3 + 18x^2 + 27x</span>
7 0
4 years ago
A man purchases a plot of land that is 1 4/5 acre.
slamgirl [31]

Answer:2/2/5

Step-by-step explanation:
If 3/4 = 9/5
what about 4/4
You get the answer as 12/5 which is 2/2/5

Hope this helped


4 0
3 years ago
Read 2 more answers
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