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LiRa [457]
3 years ago
5

sandy is upgrading her internet service fast charges $60 for installation and $50.45 per month quick internet has free installat

ion but charges $57.95 per month​
Mathematics
1 answer:
seraphim [82]3 years ago
4 0
Answer:
60+50.45x=57.95x

Cost of Fast Internet:
$60 for installation and $50.45 per month for months =

Cost of Quick Internet:
Free installation and $57.95 per month for months =

We want to know in how many months BOTH COSTS WOULD BE SAME. So we EQUATE the expressions for both. We have:

This equation can be solved for x to find the number of months for which the internet service would cost the same.

Read more on Brainly.com - brainly.com/question/893458#readmore
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Help me worth 25 points
eimsori [14]
Your area is 37, hope this helps.
6 0
4 years ago
What is the slope of a line perpendicular to the line whose equation is
jonny [76]

Answer:

- \frac{1}{2}

Step-by-step explanation:

How do we find the line that's perpendicular to another?

We find the negative reciprocal. So for example if our slope is 2, the negative reciprocal would be - \frac{1}{2}.

3 0
3 years ago
Is (-2,3/4,-2/7,0) a set of real numbers
DedPeter [7]

Answer:

Yes

Step-by-step explanation:

All of these numbers are real numbers. None of them are complex numbers or irrational like <em>i</em>, s the answer is yes.

I have provided a chart to help you out with this topic.

Hope this helps! :)

8 0
4 years ago
Algebra 1 solve − 0.32 + 0.18 = 0.25 − 1.95
disa [49]

Answer:

Step-by-step explanation:

Add 0.32 and 0.18 to get 0.5.

0.5=0.25 - 1.95

subtract 1.95 from 0.25 to get —1.7.

0.5=—1.7

compare 0.5 and —1.7.

flase

4 0
3 years ago
A college student completed some courses worth 3 credits and some courses worth 4 credits. The studentearned a total of 59 credi
Korolek [52]

Answer:

<em>The student completed 13 courses worth 3 credits</em>

Step-by-step explanation:

<u>System of Equations</u>

Let's assign the following variables:

x = number of courses worth 3 credits

y = number of courses worth 4 credits

Some student completed 18 courses thus:

x + y = 18      [1]

The student earned a total of 59 credits:

3x + 4y = 59       [2]

From [1]:

y = 18 - x

Substituting in [2]:

3x + 4(18 - x) = 59

Operating:

3x + 72 - 4x = 59

Simplifying:

-x = 59 - 72 = -13

x = 13

The student completed 13 courses worth 3 credits

5 0
3 years ago
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