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Helga [31]
3 years ago
14

X2 = 169 solve for x​

Mathematics
2 answers:
Agata [3.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

169/2=84.5

X=84.5

eimsori [14]3 years ago
5 0
84.5 is x because 169 divided by 2 is 84.5. After that you are left with x=84.5. Hope this helps.
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aliya0001 [1]

Answer:    The rate of boat is 60 kmh.

                  The rate of current is 5 kmh.

Step-by-step explanation:

Alright, lets get started.

Suppose the rate of boat in still water is : b kmh

Suppose the rate of current is  : c kmh

When the boat is going upstream, the relative speed will be : (b-c)

When the boat is going downstream, the relative speed will be: (b+c)

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speed=\frac{distance}{time}

(b-c)=\frac{220}{4}   .................. equation (1)

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(b+c)=\frac{260}{4}  ................... equation (2)

Adding equation 1 and 2

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Plugging the value of b as 60 in equation 2

60+c=\frac{260}{4}

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Hence the rate of boat is 60 kmh.

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6 0
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Answer:

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(<em>You</em><em> </em><em>can</em><em> </em><em>try</em><em> </em><em>dividing</em><em> </em><em>'</em><em>3</em><em>'</em><em> </em><em>by</em><em> </em><em>the</em><em> </em><em>other</em><em> </em><em>numbers</em><em> </em><em>to</em><em> </em><em>also</em><em> </em><em>check</em><em> </em><em>your</em><em> </em><em>answer</em>)

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8 0
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Step-by-step explanation:

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