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galina1969 [7]
2 years ago
6

O

Mathematics
1 answer:
satela [25.4K]2 years ago
3 0

Answer:

Step-by-step explanation:

∠1 and ∠3 are supplemental

and ∠2 and ∠4 are supplemental

because they are alternate interior angles.

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The ratio of adults to children on a train in 7:2. There are 245 adults on the train. Find the total number of people on the tra
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Answer:

315 people

Step-by-step explanation:

Using the given ratio, we can figure out the number of children on the train by doing cross multiplication.

Let x = # of children on train.

7/2 = 245/x

7x = 490

x = 70 children

The total number of people = 70 + 245 = 315 people total

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6 0
3 years ago
Consider the graph of the cosine function shown below.
emmainna [20.7K]

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