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Harman [31]
3 years ago
6

Isaac has spent $20 to set up cable service and the monthly fee is $54.95. Write an equation to represent the total amount it co

sts, C(t) to have cable service if t stands for the number of months the service has been used.
Use functional notation and use only numbers, variables, and mathematical symbols. Using any additional symbols, such as $, will cause auto grade to mark your answer wrong.
Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0
Do 54.95 + 20.00 and you get 80.95
Tanzania [10]3 years ago
6 0
C(t)=54.95(t)+20. 20 dollars is your fixed rate. It will never change. The rest of the function is 54.95 dollars a month multiplied by t months depending on how long he uses cable.
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Hi pls help answer this!
Morgarella [4.7K]

Answer:

363-138=-5x

Step-by-step explanation:

Let c = cost

We know that the total cost is $363:

363-??????

We also know that he spent $138 on parts:

363-138?????

And we are solving for the cost of labor per hour:

363-138=5x

We can use this equation to find the total cost of labor per hour.

Hence, your equation will be 363-138=5x

7 0
2 years ago
Okay this is my last one.. I think dfghmhgfd
Ainat [17]
<h2>○=> <u>Correct option</u> :</h2><h2>\color{plum}\tt\bold{(B)}</h2><h3>○=> <u>Steps to derive correct option</u> :</h3>

We know that :

\color{hotpink} \tt \: circumference \: of \: a \: circle\color{plum} = 2\pi r

So, let the diameter of this circle be x.

Which means :

=\tt2  \times \pi  \times r

=\tt 2 \times x \times \pi = 12\pi

=\tt 2x\pi = 12\pi

=\tt x =  \frac{12}{2}

= \tt \: x = 6 \: m

Thus, the radius of the circle Robert drew = 6 m

Since the circle in option B has a radius of 6 m, it is the circle Robert drew.

▪︎<em>Therefore, the correct option is (B)</em>

8 0
2 years ago
Through which two points could a line of rotation be placed so that the base of the resulting cylinder will have a radius of 5 c
vagabundo [1.1K]

Answer:

G and H

Step-by-step explanation:

just took the test in edg.

4 0
3 years ago
Read 2 more answers
If you had two = five what would five + seven be
lisov135 [29]

Answer:

14

Step-by-step explanation:

2 plus 5 plus 7

5 0
2 years ago
900% of it is 450 ?<br><br> please help with this
charle [14.2K]
900% of 450=4050

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 450 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 450 is 100%, so we can write it down as 450=100%.
4. We know, that x is 900% of the output value, so we can write it down as x=900%.
5. Now we have two simple equations:
1) 450=100%
2) x=900%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
450/x=100%/900%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 900% of 450

450/x=100/900
(450/x)*x=(100/900)*x - we multiply both sides of the equation by x
450=0.111111111111*x - we divide both sides of the equation by (0.111111111111) to get x
450/0.111111111111=x
4050=x


now
4 0
3 years ago
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