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Lostsunrise [7]
2 years ago
7

calculate the following showing populations the temperature in Johannesburg was 15° it drastically decreased by 17 °c what is th

e temperature now​
Mathematics
2 answers:
rusak2 [61]2 years ago
8 0

Answer:

-2 degrees Celsius.

Step-by-step explanation:

15 - 17 = -2

Valentin [98]2 years ago
3 0
The answer is -2 fooo
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For the first map, the scale factor is 1 cm: 2km. Therefore the actual trail is 8 centimeters * 2 kilometers = 16 km.

The scale factor of the second map is 16 km / 6 cm = 2.67 km : 1 cm

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Step-by-step explanation:

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Answer:

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Juan  spent $14.78  per book on average.

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Step-by-step explanation:

Ana has to pay a yearly fee of $15 to join.

She spends a total of $525 for 30 books.

The amount spent on books = Total amount - yearly fee

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Price per book on the average = $510/30= $ 17

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He spends a total of $350 for 23 books.

The amount spent on books = Total amount - yearly fee

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Price per book on the average = $340/23= $ 14.78≅ $15

Juan  spent $14.78  per book on average.

The function can be established if y gives the total cost and x gives the number of books

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Juan has a better deal because the yearly fee is less also the price per book is less.

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