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Lemur [1.5K]
3 years ago
14

Customers of a phone company can choose between two servers plans for a long-distance calls. The first plant has $27 monthly fee

and charges an additional $0.07 for each minute of calls. The second plan has no monthly fee but charges $0.11 for each minute of calls. For how many minutes of calls with the cost of the two plans be equal?

Mathematics
1 answer:
Marina86 [1]3 years ago
7 0
First, you set up your equation then you put the pieces together to get the answer

You might be interested in
Ann, Chang, and Kareem sent a total of
Gnoma [55]

It is given in the question that

Ann, Chang, and Kareem sent a total of 89 text messages over their cell phones during the weekend. Ann sent 9 fewer messages than Chang. Kareem sent 3 times as many messages as Ann.

Let number of messages Chang sent be x. And Ann sent 9 fewer than Chang, so Ann sent (x-9) messages. And Kareem sent 3 times as many messages as Ann, so Kareem sent 3(x-9) messages.

And the total messages are 89. That is

x+x-9+3(x-9)=89

Combining like terms

x + x - 9 + 3x-27 =89
\\
5x -36=89
\\
5x = 125
\\
x =25

So Chang sent 25 messages, Ann sent

25-9=16 messages

And Kareem sent

3*16 = 48 messages

8 0
3 years ago
Neep help as fast as possible. Will mark correct answer brainliest.​
Umnica [9.8K]

Answer:

kbohogohohohohohohohop

7 0
3 years ago
The length of a rectangle is 7.8 cm more than 4 times the width. If the perimeter of the rectangle is 94.6 cm, what
Lyrx [107]

Answer:

C, Length = 39.4 cm; width = 7.9 cm

Step-by-step explanation:

The permimeter of a rectangle is 2 times the width + 2 times the length or 2(l + w)

The length is 4 times w plus 7.8.

So:  2w+2(4w+7.8)=94.6

=  2w+8w+15.6=94.6  (Factor out the brackets)

=  10w+15.6=94.6  (Combine like terms)

=  10w=79  (Subtract 15.6 from both sides)

=  w=7.9  (Divide both by 10).

So, the width is 7.9 cm and the length is 39.4 cm (4 * 7.9 + 7.8)

6 0
2 years ago
Read 2 more answers
I rlly need help on this thank uu
Free_Kalibri [48]

Answer:

<h2>a = 2 and b = 6.</h2>

Step-by-step explanation:

The equation is given by 10x - 4 = ax + b\\(10 - a)x = 4 + b\\x = \frac{ 4 + b}{(10 - a)}.

The given equation is a one degree polynomial, hence it has only one solution whatever the value of a and b will be.

If the value of a is 10, then the solution of the equation will be undefined.

Hence, a is any real number rather than 10.

As for example, a = 2 and b = 6.

6 0
3 years ago
4x0.75<br><br> Expian pls<br> 4x0.75 <br><br> 4/0.65
Semenov [28]

Answer:

3

Step-by-step explanation:

0.75 out of 1 for 4 is 3

for 4

0.25 is 1

0.5 is 2

0.75 is 3

1 is 4

4/0.65 = 2.15 (not 100% on this one)

5 0
2 years ago
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