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elena-s [515]
3 years ago
5

Carmen purchased a prepaid phone card for $30. Long distance calls cost 19 cents a minute using this card. Carmen used her card

only once to make a long
distance call. If the remaining credit on her card is $26.39, how many minutes did her call last?
Mathematics
2 answers:
yaroslaw [1]3 years ago
8 0

Answer:

19

Step-by-step explanation:

30-26.39=3.61

3.61 divided by 0.19 = 19

hope this helps :)

gladu [14]3 years ago
5 0
Have 3896minutes in creadit on her card
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Bubble algae cells can grow up to 5 cm in diameter. Calculate the surface area : volume ratio of this cell.
Mars2501 [29]

Answer:

6:5

Step-by-step explanation:

Bubble algae cells can grow up to 5 cm in diameter. Calculate the surface area : volume ratio of this cell.

The algae is spherical in nature

Volume of the algae =4/3 pi r³

Volume of the algae = 4/3×pi×2.5³

Volume of the algae = 62.5/3 pi

Surface area = 4pi r²

Surface area = 4pi ×2.5²

Surface area = 25pi

Taking their ratio

surface area : volume ratio

= 25pi:62.5/3 pi

= 25 × 3/62.5

= 1.2

Hence the required ratio is 12/10 which is 6:5

4 0
3 years ago
Brooklyn Bridge is 5,985 ft long and 85 ft wide. What distance is one sixth of its length
I am Lyosha [343]

Answer:

The distance is 997.5 ft.

Step-by-step explanation:

Given:

Length of Brooklyn Bridge = 5,985 ft.

Width of Brooklyn Bridge = 85 ft.

We need to find the Distance

Distance = \frac{1}{6}\times lenght

Substituting the value of length to find distance we get;

Distance = \frac{1}{6}\times 5985 = 997.5 ft.

Hence Distance is 997.5 ft.

5 0
3 years ago
I need help I need help on this question
TEA [102]

Answer: Option B

Step-by-step explanation:

8 0
3 years ago
a sign in front of a roller coaster say '' you must be 40 inches tall to ride" what percentage of 54 inches of this is?
cupoosta [38]
The 54 percentage of 40 inches is 21.6 inches
5 0
2 years ago
Please help i really need it really much
Zanzabum

Answer:

1.5

Step-by-step explanation:

Assuming that you mean that Simon is scaling Logan's build, the scale factor is 1.5.

To find this, you divide Simon's fort height by Logans.

7.5/5 = 1.5.

8 0
3 years ago
Read 2 more answers
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