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soldier1979 [14.2K]
2 years ago
11

Can someone please help me​

Mathematics
1 answer:
Alenkinab [10]2 years ago
5 0

Answer: 14 units?

Step-by-step explanation: Sorry if its wrong.....

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HELP MEEEEEE<br> show all your works!
Gekata [30.6K]

Answer:

14%

Step-by-step explanation:

A change from 50 to 57 represents a positive change (increase) of 14%

Percent change =\frac{New-old}{old}× 100%

\frac{57-50}{50}× 100% = 14

8 0
2 years ago
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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

5 0
2 years ago
Jim wants to put a wallpaper border around a rectangular room.The room measures 14 feet by 10 feet. If the wallpaper border come
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Answer: He needs 3 stripes.

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3 years ago
The green line below
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A,d I'm pretty sure because of the cy axis
7 0
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About 3,500 different species of mosquitoes exist in the world if a mosquito traveled 10.8 miles at top speed in 99 hours, how f
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Depending upon the species, mosquitoes can fly at about 1 to 1.5 miles per hour.
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3 years ago
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