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Cloud [144]
3 years ago
6

Two cell phone companies charge a flat fee plus an added cost for each minute or part of a minute used. The cost is represented

by C and the number of minutes is represented by t.
Call-More: C = 0.40t + 25 Talk-Now: C = 0.15t + 40
Mathematics
1 answer:
Ber [7]3 years ago
4 0

Answer:

The call more is cheaper than talk-now.

Step-by-step explanation:

The companies charge a flat fee plus an added cost for each minute or part of a minute used for two companies are as follows :

Call-More: C = 0.40t + 25 Talk-Now: C = 0.15t + 40

We need to find which company is cheaper if a customer talks for 50 minutes.

For call more,

C = 0.40(50) + 25 = 45 units

For talk-now,

C = 0.15(50) + 40 = 47.5 units

So, it can be seen that call more is cheaper than talk-now.

You might be interested in
Error Analysis Allie says JKL ~ XYZ<br> What is Allie's error?
Alex Ar [27]

Similar triangles may or may not have equal measures

Allie's error is that Allie did not state the similarity theorem

<h3>How to determine Allie's error </h3>

The statement JKL ~ XYZ means that:

Triangles JKL and XYZ are similar triangles

From the complete question, we have the following highlights:

  • Angles J and X have equal measures of 55 degrees
  • The side lengths of triangle XYZ are 3 multiplied by the corresponding side lengths of triangle JKL

The above means that, both triangles are similar by SAS or SSS

In Allie's statement, the similarity theorem is not stated

Hence, Allie's error is that Allie did not state the similarity theorem

Read more about similar triangles at:

brainly.com/question/14285697

6 0
3 years ago
How do I find the answer
jeka57 [31]

Answer:

272.97 m^2

Step-by-step explanation:

first find the area of the square

14*14

196

then find the area of the semicircle

A=πr^2/2

A=3.14*7^2/2

79.97

add the two areas together

196+79.97

272.97 m^2

6 0
4 years ago
Find (f×g)(x) when f(x)=x^2+8x+15 and g(x)=5 over x^2-9
Kipish [7]
Look at the picture......

5 0
3 years ago
If f(x) = 3^x + 10 and g(x) = 2x − 4, find (ƒ+g)(x)
galina1969 [7]

Answer:

3^x+12x-4

Step-by-step explanation:

(f+g)(x) = f(x) + g(x) = 3^x + 10x + 2x - 4 = 3^x + 12x - 4

6 0
2 years ago
Using this formula l=A 1/2 what is the length of one side of a square with an area of 1,936 square kilometers? (A is the area of
Vera_Pavlovna [14]

<u>c.)44 kilometers</u>

Answer:

Solution given:

let

length =L

and

Area =A

Now

we have

Area [A]=1936 square kilometers

now

As we know that

Area of square :length *length

A=l*l

A=l²

Substituting value of A

1936=l²

doing square root on both side

\sqrt{1936}=\sqrt{l²}

we get

l=\sqrt{2*2*2*2*11*11}

l=2*2*11

l=44 kilometers

So

<u>the length of one side of a </u><u>square</u><u> </u><u>is</u><u> </u><u>4</u><u>4</u><u> </u><u>kilometers</u><u>.</u><u />

6 0
3 years ago
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