3 years ago

A fair spinner has 9 equal sections: 3 red, 4 blue and 2 green.

Mathematics

1 answer:

Andru [333]3 years ago

5 0

Answer:

Step-by-step explanation:

because it has 9 equal section

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Solve for p: -11=p-9

Westkost [7]

Answer:

p=-2

Step-by-step explanation:

-11=p-9

Add 9 to each side

-11+9=p-9+9

-2 =p

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3 years ago

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3 years ago

The speed of boat in still water is 15km/hr if needs 4 more his to travel 63 km against the current of a river than it needs to

hram777 [196]

Answer:

$\frac{63}{15 - c} - \frac{63}{15 + c} = 4$

Step-by-step explanation:

The systems of equations are

Let us assume the rate of the current be c

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And, the actual speed with the current is (15 + c)

Here we applied the time formula i.e. distance by speed

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Now the equations are

$\frac{63}{15 - c} - \frac{63}{15 + c} = 4$

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3 years ago

I need a bit of help on this problem

Nimfa-mama [501]

Answer: its b

Step-by-step explanation:

bc i used a calculator and it said so

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