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Gnesinka [82]
3 years ago
10

a telephone company charges a flat monthly fee of $22.00 for a telephone line and $0.20 per minute for long distance calls. If y

ou make 25 minutes of a long distance calls per month, what will it cost?
Mathematics
2 answers:
VikaD [51]3 years ago
8 0
It will be 27 dollars
masya89 [10]3 years ago
3 0
If you add the flat fee of 22 and the 25 times .20 cents per a minute you have 5 dollars so the answer is 27 a month
You might be interested in
the length of a rectangular sing is 5 time its width. if the sign perimeter is 24 inches. what is the sign area ?
kumpel [21]

Answer:

20 in²

Step-by-step explanation:

Assuming that the width of the sign is x, then from the question, we're told that the length is 5 times it's width, so

b = x inches

l = 5x inches

Again, we're told that the perimeter of the sign is 24 inches, and we know already that the perimeter of a rectangle is given as

Perimeter = 2(l + b), substituting this, we have

24 = 2(5x + x)

24 = 10x + 2x

24 = 12x

x = 24 / 12

x = 2 inches.

Since x is the width of the rectangle, and it's 2 inches, we use it to find the length of the sign.

l = 5 * 2

l = 10 inches.

Then, we are asked to find the area of the sign. Area of a rectangle is given as

A = l * b, so if we substitute, we have

Area = 10 * 2

Area = 20 square inches

8 0
3 years ago
9. If one inch represents 14 feet,
posledela

Answer:

the answer would be 6in. by 9in.

Step-by-step explanation:

you have to divide 84 by 14 and 126 by 14

5 0
3 years ago
3) How many liters of a 20% acid solution must be mixed with a 60% solution to obtain 40 liters of a 35% solution? (25,15)THATS
serg [7]
<span>let x = the number of liters of the 20% solution. 

let y = the number of liters of the 60% solution. 

you want x + y to be equal to 40 liters. 

x is the number of liters total in the first solution.
y is the number of liters total in the second solution. 

you want .2 * x + .6 * y to be equal to .35 * 40 

.2 * x is the number of liters of acid in the first solution.
.6 * y is the number of liters of acid in the second solution.
.35 * 40 is the number of liters of acid in the final solution. 

you have two equations that need to be solved simultaneously. 

they are: 

x + y = 40
.2x + .6y = .35*40 

simplify these equations to get: 


x + y = 40
.2x + .6y = 14 

you can solve by substitution or by elimination or by graphing.
i will solve this one by graphing.
this means to graph both equations and find the intersection. 

the graph looks like this: 

 
the graph says the intersection is at the coordinate point of (25,15). 

this means that x = 25 and y = 15. 

x is the number of liters of the 20% solution.
y is the number of liters of the 60% solution. 

the formula of .2x + .6y = 14 becomes .2 * 25 + .6 * 15 = 14.
simplify this equation to get 14 = 14.
this confirms the solution is good. 
</span>
8 0
3 years ago
Read 2 more answers
Expand and simplify: (2x-3)2
nexus9112 [7]

Answer:

4x-6

Step-by-step explanation:

2(2x) - 2(3)

4x-6

6 0
3 years ago
Examine each sentence carefully. Which sentence correctly uses an objective pronoun? A He ran all the way to the theater. B Tara
Colt1911 [192]

Step-by-step explanation:

<em>A </em><em>He </em><em>ran</em><em> </em><em>all </em><em>the </em><em>way </em><em>to </em><em>the </em><em>theater.</em>

3 0
3 years ago
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