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Arada [10]
3 years ago
5

Chan rows at a rate of 8 mph in still water. It takes him three hours to row upstream from his house to the park. He rows back h

ome, and it takes him two hours. What is the speed of the current?
Mathematics
1 answer:
Degger [83]3 years ago
3 0
Well in my calculations I got: well if you he increases the speed by 2.6 per hour soo 4+2.6=6.6
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Kaylis [27]
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4 years ago
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Devaughn's age is three times Sydney's age. The sum of their ages is <br> . What is Sydney's age?
g100num [7]

Answer:

syd is 23 and dev is 69


Step-by-step explanation:

Let Dev's age be x and Syd's age be y

Since Dev is 3 times older than Syd, we may write  

x

=

3

y

Since the sum of their ages is 92, we may write  

x

+

y

=

92

Now replacing x with 3y, we get :  

3

y

+

y

=

92

Hence  

y

=

92

4

=

23

and so Syd is 23 year old.

Back substituting we get Dev is 69 years old.

8 0
3 years ago
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lesantik [10]

Question:  Is this some kind of mind trick riddle or what lol!

7 0
2 years ago
A pair of vertical angles have the measure of 2y + 5 degrees + 4y degrees what is the value of y​
timama [110]

Answer:

The value of y s 2.5

Step-by-step explanation:

Vertical angles are always equal to one another. In this case, we can find the angles by setting the two values equal and solving algebraically.

2y + 5 = 4y

5 = 2y

2.5 = y

7 0
3 years ago
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