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Naily [24]
3 years ago
5

What is 309*692 i have noooooooo idea

Mathematics
2 answers:
adell [148]3 years ago
6 0
309 times 692 ***********************
wolverine [178]3 years ago
6 0
 it is 213828 if I am right in thinking that the  symbol * means multiplying.
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The division property of equality could be used to solve which of the following equations?
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Dave walked to his friend's house at a rate of 4mph and returned back biking at a rate of 10mph. If it took him 18 minutes longe
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Step-by-step explanation:

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. Six less than one third of a number exceeds -15.
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A stone is dropped into a lake, creating a circular ripple that travels outward at a speed of 70 cm/s. Find the rate at which th
jeyben [28]

Answer:

(A) 30772cm^2/s

(B) 153860cm^2/s

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Step-by-step explanation:

We are given

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this speed is increasing the radius which means speed = radius /time

radius = speed*time

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A = πr^2

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upon differentiating

dA/dt = 2πr * \frac{dr}{dt}

dA/dt = 2π*70t*70       ( r= 70t , dr/dt = speed = 70)

dA/dt = 9800π*t

(A) after 1 second

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(B) after 5 seconds

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(C) after 6 seconds

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4 0
3 years ago
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4x + 6 = 3x + 18

Subtracting 3x and 6 from the left hand side of the equation and the right hand side of the equation, it becomes

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x = 12

5 0
3 years ago
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