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levacccp [35]
4 years ago
14

Which expression has a value of 36 6/7×21 10/13 × 39 3/7 ×42 3/4 ×48

Mathematics
2 answers:
Katyanochek1 [597]4 years ago
4 0
ANSWER: last one (3/4 x 48)

6/7 x 21 = 6/7 x 21/1 = 126/7 = 18

10/13 x 39 = 10/13 x 39/1 = 390/13 = 30

3/7 x 42 = 3/7 x 42/1 = 126/7 = 18

3/4 x 48 = 3/4 x 48/1 = 144/4 = 36
baherus [9]4 years ago
3 0

Answer: 3/4 x 48

Step-by-step explanation:

You can make this a fractional expression and do

3/4 x 48/1 = 36

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Answer:

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Step-by-step explanation:

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So, the ball goes from B to D to A to B. That means that the ball went along the circumference of the triangle DAB.

So, to answer how long the ball travelled we need to find the circumference of the triangle. The circumference is the sum of its three sides. One side is the field's length (76m) and the othet is field's width (57m). We only need to find the triangle's hypotenuse, side BD, using Pythagoras theorem:

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