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wolverine [178]
3 years ago
9

I will give brainliest to whoever answers even if it’s just one part. please:)) i’ve been trying for so long

Mathematics
1 answer:
wariber [46]3 years ago
5 0

Answer:

check your commments

Step-by-step explanation:

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Two communications companies offer calling plans. With Company X, it costs 30¢ to connect and then
tensa zangetsu [6.8K]
<h3>Answer:  n+15</h3>

=======================================================

Explanation:

  • n = number of minutes
  • cost of company X = 3n+30
  • cost of company Y = 2n+15

To find out how much more company X charges, we subtract the two cost expressions

CompanyX - CompanyY = (3n+30)-(2n+15) = 3n+30-2n-15 = n+15 which is the final answer.

--------------

An example:

Let's say you talk on the phone for n = 20 minutes.

Company X would charge you 3n+30 = 3*20+30 = 90 cents

Company Y would charge you 2n+15 = 2*20+15 = 55 cents

The difference of which is 90-55 = 35 cents.

If you plugged n = 20 into the n+15 expression we got, then n+15 = 20+15 = 35 matches up with the previous 35 cents.

This example helps confirm the answer. I'll let you try out other examples.

8 0
2 years ago
Which description of the graph of the linear inequality y &gt; 3x - 8 is correct?
slavikrds [6]
Hope this helped you

6 0
3 years ago
Which numbers line correctly shows 4.5 - 2.5.? HELP FAST!!!
ElenaW [278]

Answer:

Step-by-step explanation:

The answer would be the first option because it’s starting at 4.5, and if you subtracted 2.5, you would get the answer of 2, and that’s what the first option shows. Hope this helps!

5 0
3 years ago
Which represents the reflection of f(x)=√x over the y-axis?
ololo11 [35]

We are looking for the graph of y=\sqrt{-x}. which is shown in the attached image.

8 0
2 years ago
An experiment was conducted that recorded the weight of a new bar of soap after each use. The line of best fit for the data coll
Rasek [7]

Answer:

The initial weight of the bar soap is 123g

Step-by-step explanation:

No options but the question can still be solved.

Given

y = -5.6x + 123

Required

What does the y intercept mean

Start by calculating the y intercept (i.e. when x = 0)

The equation becomes

y = -5.6*0 + 123

y = 0 + 123

y = 123

This means that the initial weight of the bar soap is 123g

5 0
3 years ago
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