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kumpel [21]
3 years ago
8

What is the product of (-1/4)x(-3/7)

Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

The answer is 3/28

-1/4 x -3/7

-1 x -3 = 3

4 x 7 = 28

3/28

Sever21 [200]3 years ago
3 0

Answer: 3/28

           

Step-by-step explanation:

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Sofia and Diego drive to work. Sofia drives 72 miles in 1.5 hours. Diego drives 126 km in 2 hour 30 min. Work out the difference
sdas [7]

Answer:

26.4 km/hr

Step-by-step explanation:

Sofia and Diego drive to work.

For Sofia

We convert miles to km

Sofia drives 72 miles in 1.5 hours.

1 mile = 1.6 km

72 miles = x

x = 72 × 1.6 km

x = 115.2 km

We find the speed in km/hr

Speed = Distance /Time

= 115.2km/1.5 hours

= 76.8 km/hr

For Diego

Diego drives 126 km in 2 hour 30 min.

Speed = Distance/Time

Time = 2 hour 30 min = 2.5 hours

Speed = 126km/2.5 hours

= 50.4 km/hr

The difference between their average speeds in km/h is calculated as:

76.8 km/hr - 50.4 km/hr

= 26.4 km/hr

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2 years ago
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3 0
3 years ago
The length of Suez Canal on a map of drawing scale 1 : 1400000 is 70 Km ,then its
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76

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2 years ago
Charlotte divided a whole pizza into 4 pieces. one piece formed a straight angle. one formed a right angle. two pieces formed ac
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You have to draw a pie graph.

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7 0
3 years ago
Is 67.2 the sam as 67.20
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Step-by-step explanation:

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2 years ago
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