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Answer:</h2>
The equation that will be used to find t is:
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Step-by-step explanation:</h2>
Total distance that is traveled by Amir is: 5 miles.
and the total time taken by him is: 2 hours.
On the first part of the hike, Amir averaged 3 miles per hour.
Let t denote the time he spent hiking during the second i.e. difficult part of the hike.
- Hence, the time he spent in first part of hike is: 2-t
( Since, the total time was 2 hours)
Also, we know that:
Hence, distance traveled in first part of hike is:
- Now, the distance he will travel in second part of hike will be: 5-3(2-t)
Since the total distance traveled by him is 5 miles.
It is given that his speed decreased to 1.5 miles per hour.
Now, we know that:
Hence, time spent by him in second part of hike is:
Answer:
8x^4y^2
Step-by-step explanation:
Answer:
1. 31.25 square m, 2. S=478 square m, 3. 6.25 square m
Step-by-step explanation:
------------------- Surface Area of the Rectangular Prism(2ND ANSWER)
S=2(lw)+2(lh)+2(wh)
S=2(11*9)+2(7*11)+2(7*9)
S=2(99)+2(77)+2(63)
S=198+154+126
S=478 square m
--------------------- Surface area of Cube(1ST ANSWER)
S=6(lw) -2.5^2
S=6(6.25)-6.25(overlapping area A)
S=5(6.25)
S=31.25 square m
-------------------------------------------------- Overlapping area A(3RD ANSWER)
-> 6.25 square m
--------------------------------------------------- Surface area of composite figure(4th ANSWER)
=478+37.5-2(2.5)
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127 yards because there are three feet in a yard.