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lianna [129]
3 years ago
13

On marys walk, she covered the 3 mile distance in one hour. However, the return trip took an hour and a half. What was her avera

ge speed?
Mathematics
2 answers:
Lana71 [14]3 years ago
6 0

Answer:

2.4 mph

Step-by-step explanation:

lesya [120]3 years ago
4 0

Answer:

Step-by-step explanation:

Speed = distance/time

Speed= 3/1= 3miles/hour

Return trip

Speed=3miles/1.5hour=2miles/hour

Average speed= initial + final trip= 2miles/hour+3miles/hour, then divide by 2

= 5/2=2.5miles/hour

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Answer:

D. 7.7

Step-by-step explanation:

7.725, 2 does not round up so its left to 7.7

5 0
4 years ago
The perimeter of a rectangle is 54 meters. One side is three meters less than four times the length of the other side. Find the
Elenna [48]

Answer:

6 and 21 meters long

Step-by-step explanation:

You make an equation from what you got (there are 2 widths and 2 lengths)

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3 years ago
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iris [78.8K]

9514 1404 393

Answer:

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Step-by-step explanation:

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7 0
3 years ago
2. Which set contains the value below?
rewona [7]

Answer:

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Step-by-step explanation:

May this help you

3 0
2 years ago
Can someone please help me with this i don’t understand:(
swat32

Answer:

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