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leonid [27]
3 years ago
12

A cell phone company charges a monthly fee of $18 plus five cents for each call. A

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer:

650 calls

Step-by-step explanation:

so since you have 18$ per month plus 5 cents per call you would do

18+0.5n(n represent the number of calls)= the total fee of $50.50 cents.

thus,now you need to figure out how much the phone calls were without the monthly fee so you would do:

50.50-18=32.50

so 32.50 is the price of all the phone calls

then you divide 32.50 by 0.05 which equals to 650

meaning that n=650

hope I helped!

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Sphinxa [80]

Answer:72.70


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6 0
3 years ago
17. Test Practice which represents the number that is ten more than two
AleksAgata [21]

Answer:

2,080

Step-by-step explanation:

Two thousand and seventy is written as 2,070.

Ten more than 2,070 would be 2,080 as you're just adding on 10.

Hope this helps :)

7 0
2 years ago
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kogti [31]
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2 years ago
1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric?
Free_Kalibri [48]

Hi Timothy,

1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric?

Answer - C.The sequence is geometric because it decreases by a factor of 1/18

The reason I chose C is the fact that the numbers go down greatly, and it has to to be geometric because when you are trying to solve the problem with arithmetic you don't get and exact rule for how to solve the problem.

6 0
3 years ago
Part of the area under this ramp serves for storage. Items can be stored only in the unshaded part of the ramp
Mekhanik [1.2K]

Answer:

48.1 m³ available, 2.5m³ not available

Step-by-step explanation:

Tan(X) = 4.5/(5.8+1.7)

Tan X = 3/5

Hypotenuse² = 3² + 5² = 34

Sin X = 3/sqrt(34)

X = 30.96

1/sinX = 1.7/SinY

Y = 61.003°

Third angle: 180 - X - Y = 88.037

Volume

= ½ × 1.7 × 1 × sin(88.038) × 3

= .

= 2.548

= 2.5m³

Available for storage:

½×4.5×7.5×3 - 2.548

= 48.077 = 48.1 m³

7 0
3 years ago
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