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Flauer [41]
2 years ago
7

The table shows the relationship between the cost of monthly cell phone Plan A and the number of minutes used within a month. Th

e equation c= 35+0.05m describes the relationships for the cost c in dollars for minutes m used for Plan B.
Time (min) Cost ($)
0 30.00
2 30.20
4 30.40


What is the difference, in dollars, of the total costs of the cell phone plans if a customer talks for 20 minutes?



$
Mathematics
2 answers:
Rzqust [24]2 years ago
5 0

Answer:

It should be $50.00.

Step-by-step explanation:

It shows that every 2 mins. adds 20 cents to the bill. I wrote out the numbers and did this:

6 30.60

8 30.80

10 40.00

12 40.20

14 40.40

16 40.60

18 40.80

20 50.00

Leviafan [203]2 years ago
5 0

Answer:

$50

Step-by-step explanation:

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Solve, correct people get brainliest
Zigmanuir [339]

Solution:

<u>Note that:</u>

  • 5t - 8 + 68 = 180

<u>Use the equation above to solve for t.</u>

  • 5t - 8 + 68 = 180
  • => 5t + 60 = 180
  • => 5t = 180 - 60
  • => 5t = 120
  • => t = 120/5 = 24

The value of t is 24.

7 0
2 years ago
Read 2 more answers
The result of which expression will best estimate the actual product of (Negative four-fifths) (three-fifths) (Negative StartFra
sattari [20]

Answer:

The Answer Is B

Step-by-step explanation:

-4/5 = -1  (Rounded)

3/5 = 1/2  (Rounded)

-6/7 = -1  (Rounded)

5/6 = 1  (Rounded)

If your looking for the whole thing it would be:

(-1)[1/2](-1)(1) = x

 Your Welcome! <3

6 0
3 years ago
Ab over 2 equal 2a minus 1,express a in terms of b
sasho [114]

\frac{ab}{2} = 2a - 1

2(\frac{ab}{2}) = 2(2a - 1) <em>multiplied both sides by 2 </em>

ab = 4a - 2 <em>distributed the 2 on the right side</em>

ab - 4a = -2 <em>subtracted 4a from both sides</em>

a(b - 4) = -2 factored out "a" from the left side

a = \frac{-2}{b - 4} <em>divided (b - 4) on both sides</em>

Answer: a = \frac{-2}{b - 4}

6 0
2 years ago
Please help-many points
kenny6666 [7]

Relatively prime means there are no number greater than 1 that divides them both.

Find the GCF for each set:

A. 68 and 119

68: 1 , 2, 4, 17, 34,68

119: 1, 7, 17

Both numbers can be divided by 1 or 17 so are not relative.

B.

40 and 395

are both divisible by 1 and 5 so are not relative.

C. 119 and 715

Are both only divisible by 1, so are relative.

D. 63 and 56

Are divisible by both 1 and 7 so are not relative.

The answer is C. 119 and 715

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3 years ago
Simplify the algebraic expression 9+4(3c-1)
Natasha2012 [34]
9+4(3c-1)
13(3c-1)
39c-13

5 0
3 years ago
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