3 years ago

Over a period of 3 hours, 190 leaves fell from a tree. At this rate, about how many leaves fell every hour?

Mathematics

1 answer:

In-s [12.5K]3 years ago

3 0

Answer:

Im pretty sure its 60 leaves per hour.

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Please Help Fast!!! 20 points <br> Solve the system of equations: <br> 25−x=−4y<br> 3x−2y=30

gogolik [260]

Answer:

(7, -4.5)

Step-by-step explanation:

25−x=−4y ---> x=25+4y

3x−2y=30

use x to substitute into the second equation

3 (25+4y)-2y = 30

75+12y-2y=30

75+10y=30

10y=-45

y=-4.5

3x-2(-4.5)=30

3x+9=30

3x=21

x=7

check:

25-7=-4*-4.5

18=18 (yes)

3*7-2*-4.5=30

21+9=30

30=30 (yes)

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Step-by-step explanation:

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alina1380 [7]

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Snezhnost [94]

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A bank exchanges United States currency for British courrency at the rate of 1.60 dollars to the £ .

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Remember that £ has a greater value compared to $ and vice versa.

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