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ANTONII [103]
4 years ago
11

The outside temperature at a place is - 20 degree Celsius and it drops 5 degrees every hour.How long it will take to reach the t

emperature zero degree Celsius?
Mathematics
1 answer:
Ber [7]4 years ago
8 0

Answer:

4 hours

Step-by-step explanation:

20-5x=0

5x= 20

x=4 hours

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A turtle swims at a speed of 1584 meters per hour. A girl swims at a speed of 1380 millimeters per second. 10 mm = 1 cm 1 m = 10
adelina 88 [10]
The girl's speed is 1380mm/sec * 1cm/10mm * 60sec/minute (since 1cm=10mm and 60 sec=1 minute)= 1380*60cm/10min= 1380*6cm/min
=8280 cm/min. For the turtle, we have 1584 m/hr * 1 hr / 60 min * 100 cm /1m (we have to make sure that they cross out, so e.g. for the hour we multiply it by 1 hr/60 min since the original hour is on the bottom)= 158,400cm/60min
=15840cm/6min
= 2640 cm/min
Since the girl is 8280 cm/min and the turtle is 2640 cm/min, we divide them to get 8280/2640= around 3.136 cm/min

3 0
3 years ago
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On which number line are -6 and its opposite shown?<br>​
Alekssandra [29.7K]

Answer: #2

Step-by-step explanation:

6 0
4 years ago
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Brainliest,<br><br>Order from least to greatest -9, 12, -15, -1,6​
Ira Lisetskai [31]

Answer:

-15, -9, -1, 6, 12

Step-by-step explanation:

Easy, there you go!

Hope this helps!

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3 0
3 years ago
For z = 2cispi/6, find z^5 in reactangular form.
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6 0
3 years ago
Tareq is 7 years old and his older sister Fatma is 10. Tareq challenges his sister to a pizza eating contest. They each make an
Brut [27]

Answer:

Fatima ate more pizza

Step-by-step explanation:

Assume

The total pizza = 1

Tareq eats 2/8 of his pizza

Tareeq = 2/8 of 1

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Fatma eats 3/4 of her pizza

Fatima = 3/4 of 1

= 3/4 * 1

= 3/4

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The pizza is identical in size

Therefore,

Fatima ate more pizza

I got to know this by finding the decimal of fraction eaten and picking the larger decimal value as who ate more pizza

3 0
3 years ago
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