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Liula [17]
3 years ago
7

2/15, 3/10, 7/30 What is the least common denominator

Mathematics
1 answer:
daser333 [38]3 years ago
7 0

Answer:

30

Step-by-step explanation:

to find the least common denominator you can do the GCF of the denominators so 15 10 and 30 so 3*5 2*5 and 2*3*5 so every number is divisible by 30 so its 30

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Mary walks from comer D to comer E to comer F on a city block that measures 264 feet wide and 900 feet long. Kate walks
Y_Kistochka [10]

Answer:

Difference between the distances traveled by Mary and Kate = 226 feet

Step-by-step explanation:

By applying Pythagoras theorem in right ΔDEF,

(DE)² + (EF)² = (DF)²

By substituting DE = 264 feet and EF = 900 feet

(264)² + (900)² = (DF)²

DF = √(69696+810000)

     = √879696

     = 937.92

Distance traveled by Kate diagonally = 938 feet

Distance traveled by Mary = DE + EF

                                            = 264 + 900

                                            = 1164 feet

Difference between the distances traveled by Mary and Kate = DF - (DE + EF)

= 1164 - 937.92

= 226.07

≈ 226 feet

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2 years ago
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