3 years ago

Find the probability of picking a purple marble from a jar with 14 green and 14 purple marbles.

Mathematics

1 answer:

iris [78.8K]3 years ago

4 0

Step-by-step explanation:

n(s)=28

n(p)=14

p(p)= n(p)/n(s)

= 14/28

=1/7

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Answer:

400 square meters

Step-by-step explanation:

We can first solve this problem with each unit representing 1 centimeter, and then scale up at the very end. The shape that we have a parallelogram. The base is 8 cm, and the height is 2 cm. The formula for the area of a parallelogram is just $bh$ , so the area of the parallelogram is 16 square centimeters. However, now we scale up. Since each centimeter correlates to 5 meters, each little box will correlate to 25 square meters. Therefore, $16 \cdot 25 = \boxed{400}$ square meters is our answer