Adelphi wants to know how tall her favorite tree is. At a certain time of day the tree casts a shadow 27 feet long. At that same time of day, Adelphi (who is 5.5 ft tall) casts a shadow of 4 ft. Draw a picture to illustrate the situation, set up a proportion, and then solve for how tall the tree is. Round to the nearest hundreths. thank youu

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

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hreryryrranswer:

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the car was traveling 40 mph before it started skidding. ( 2 points ) 17. was the driver were her brakes working at 75% efficiency or better? ( 2 points ) yes 29.

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1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

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i am only able to answer the first part. i am not sure about the second part. sorry