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Illusion [34]
3 years ago
10

I need help with this problem

Mathematics
1 answer:
Nikolay [14]3 years ago
3 0
The shark would win by 2.51
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John can mow a lawn in 80 minutes. Rocky can mow the same lawn in 120 minutes. How long does it take for both John and Rocky to
mario62 [17]

Answer: it will take them 48 minutes.

Step-by-step explanation:

John can mow a lawn in 80 minutes. This means that the rate at which he moans the lawn per minute is 1/80

Rocky can mow the same lawn in 120 minutes. This means that the rate at which Rocky can mow the same lawn per minute is 1/120

If they work together, they would work simultaneously and their individual rates are additive. This means that their combined working rate would be

1/80 + 1/120 = 200/9600 = 1/48

Assuming it takes t hours for both of them to clean the room working together, the working rate per hour would be 1/t. Therefore,

1/48 = 1/t

t = 48 minutes

4 0
3 years ago
Is -0.5 an integer? Explain.​
Drupady [299]
Yes, -0.5 is an integer because it is a negative number. Any number that is positive or negative is an integer.
4 0
3 years ago
Read 2 more answers
Use the Pythagorean theorem to find the length of the hypotenuse in the triangle shown below.4,3
marshall27 [118]

Answer:

5

Step-by-step explanation:

a^2 + b^2 = c^2

4^2 + 3^2 = c^2

16 + 9 = c^2

25 = c^2

c = 5

4 0
3 years ago
Read 2 more answers
HELP PLEASE PLEASE!!
Feliz [49]

9514 1404 393

Answer:

  x = 21

Step-by-step explanation:

The parallel lines divide the segments proportionally.

  x/27 = 28/36

  x = 27(28/36) . . . . multiply by 27 (in your head: (3·9)(4·7)/(4·9) = 3·7)

  x = 21

8 0
3 years ago
Evil lives to go swimming at 4:05 and returns at 4:57 how long has she been gone?
blsea [12.9K]

She has been gone 52 min.


57 - 5 = 52

7 0
3 years ago
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