2 years ago

How to solve and answer for the question

Mathematics

1 answer:

Paul [167]2 years ago

6 0

Step-by-step explanation:

AB=CD (Opposite sides of a parallelogram are equal)

11x-13=42

11x=42+13

11x=55

x=55/11

x=5

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Anna went from home to school with the speed 3 km/hour. She ran back home with the speed 6 km/hour.Her sister Olga went to schoo

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Let:
v = Olga's speed
t = the time Anna spent going to school (3 km/hour)
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