A car is moving at a uniform speed of 75km /hour.

1 answer:

5 0

Answer to a is 25 km. Reason is that 75/60= 1.25 , therefore going 1.25 km a min. Now myltiply that by 20 and you get 25 km in 20 minutes. Answer to b should be roughly 3 hours and 33 minutes. The reason is that 250 km / 75km/ hour = 3 hours 33 min.
Hope this helps

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sergey [27]

Answer:

4. 11/6, 121/36

5. 5/8, 25/64

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Step-by-step explanation:

The ratio of perimeters is the same as the ratio of corresponding legs:

perimeter ratio = red leg/blue leg

The area ratio is the square of that:

area ratio = (perimeter ratio)²

perimeter ratio = 11/6

area ratio = (11/6)² = 121/36

perimeter ratio = 5/8

area ratio = (5/8)² = 25/64

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area ratio = (4/7)² = 16/49

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zavuch27 [327]

Answer:

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Step-by-step explanation:

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yawa3891 [41]

I don’t know, I forgot how to solve problems like this, look it up

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Write the equation of a line that is perpendicular to y=-x-6y=−x−6y, equals, minus, x, minus, 6 and that passes through the poin

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The given line has a slope of -1 so the perpendicular line will have a slope of -1/1=1
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