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Answer:
The answers are given in step-by-step explanation
Step-by-step explanation:
In question 4,
Elina walked 12 miles then she walked 0.25 that distance.
We have to find the distance she walked
Distance=12+0.25 of that distance
= 12+0.25(12)
= 12(1+0.25)==15 miles
Hence, A, B, and C are correct
In question 5,
Given circumference is 600 m
we have to find the good approximation area of circle
circumference = 600 m
=300 ⇒ r=95.49
Area of circle is
=
Hence, the good approximation area of circle is
In question 6,
Given d=3t where d represents the distance between the snail and rock in inches and t represents the time in minutes.
Number 3 represents that distance between snail and certain rock is 3 times that of time.
given distance is 9 inches we have to find the time i.e d=3t ⇒ 9=3t ⇒ t=3 minutes.
Hence, will be 3 minutes when snail is 9 inches far from certain rock.
Now, times given 9 minutes we have to find the distance, d=3t=3(9)=27 inches.