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MAXImum [283]
3 years ago
8

What is x over three equals 9

Mathematics
2 answers:
True [87]3 years ago
7 0

Answer:

x = 27

Step-by-step explanation:

x/3 = 9

you multiply both sides by 3 so you get the variable by its self

9 times 3 equals 27

so x = 27

hope this helps

WARRIOR [948]3 years ago
3 0

Answer:

X is 3

Step-by-step explanation:

this is because you divide 3 by nine and it equal 3 therefore x equals 3

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"A rectangle has a height of 5 cm and its base is increasing at a rate" of 3/2 cm/min. When its area is 60 cm2, at what rate is
sukhopar [10]

Answer:

The diagonal is increasing at the rate of 119/104cm/min of the given rectangle.

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Dimensions of the rectangle

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Applying Pythagoras theorem while drawing a diagonal to the rectangle

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using  the chain rule of differentiation

h*db/dt + b*dh/dt  = 0

b*dh/dt = -h*db/dt

12*dh/dt = -5*3/2

dh/dt = -5/8 cm//min

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b = 12 , db/dt = 3/2cm/min

h = 5 , dh/dt = -5/8 cm/min

b^2 +h^2  = D^2

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2b*db/dt + 2h*dh/dt = 2D*dD/dt

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18 -25/8 = 13*dD/dt

\frac{144-25}{8} = 13*dD/dt

dD/dt = \frac{119}{104} cm/min

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