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Vesna [10]
3 years ago
7

You join an Internet service. You get the first 5 hours for free, and then you pay $2 per hour. How many hours of Internet use,

h, can you get for $45?
Three of these equations give the correct value of h. Which equation does NOT?
Mathematics
1 answer:
Vika [28.1K]3 years ago
5 0

Answer:

27

Step-by-step explanation:

firstly we know we get 5 hour free so we know that when we add our total it will go up by 5. an easy way to do the equation is to take 45 and divide by two because we are essentially paying two of our 45 dollars every hour. this means that we will get half the amount we pay in hours. 45/2 =22.5 (do not round up because you will only get what you pay for and if you cant pay for a full hour you just do not get it) 22+5=27. so you get 27 hours of internet.

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The ordered pairs of the points are given as:

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The line is not given; so, I will provide a general explanation.

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See attachment for the illustration of the line and the ordered pairs

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brainly.com/question/1090891

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In triangle △ABC, ∠ABC=90°, BH is an altitude. Find the missing lengths. AB=4 and BC=3, Find AH, CH and BH.
IRISSAK [1]

Answer:

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Step-by-step explanation:  

It can be convenient to compute the length of the hypotenuse of this triangle (AC). The Pythagorean theorem tells you ...

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The altitude divides ∆ABC into similar triangles ∆AHB and ∆BHC. The scale factor for ∆AHB is ...

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And the scale factor to ∆BHC is ...  

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Then the side AH is 0.8·AB = 0.8·4 = 3.2

And the side CH is 0.6·BC = 0.6·3 = 1.8  

These two side lengths should add to the length AC = 5, and they do.  

The remaining side BH can be found from either scale factor:    

  BH = AB·0.6 = BC·0.8 = 4·0.6 = 3·0.8 = 2.4

_____  

The sides of interest are ...  

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