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denis23 [38]
2 years ago
6

Tính: (1/27)^2016*27^2015

Mathematics
1 answer:
Alik [6]2 years ago
6 0

Answer:

1/27

Step-by-step explanation:

(1/27)^2016*27^2015 =

27^-2016 * 27^2015 =

27^(-2016+2015) =

27^-1 =

1/27

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3x to the power of 3 + 21x squared + 36x = 0 by factoring the quadratic equation.
Diano4ka-milaya [45]

Answer:

x = 0, -4 and -3.

Step-by-step explanation:

The given expression is "3x to the power of 3 + 21x squared + 36x = 0".

We can write this expression as follows :

3x^3+21x^2+36x=0

Taking 3x common.

3x(x^2+7x+12)=0\\\\3x=0\ \text{and}\ (x^2+7x+12)=0

x = 3

x^2+7x+12=0\\\\x^2+3x+4x+12=0\\\\x(x+3)+4(x+3)=0\\\\(x+4)(x+3)=0\\\\x=-4,-3

Hence, the solution of the given quadratic equation are x = 0, -4 and -3.

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3 years ago
If my rounded number is 9.7 what could the original number have been​
castortr0y [4]

Answer:

9.65-9.74

Those numbers and anything between them.

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2 years ago
The time, T (seconds) it takes for a pot of water to boil is inversely proportional to the cooker setting, H, applied to the pot
kherson [118]

Answer:

200

Step-by-step explanation:

T = x * (1/H)

x = T*H

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2 years ago
What equation is equivalent to 3(a+4)-5(a-2)=22?
Nata [24]

Answer:

a = 0

Step-by-step explanation:

=> 3(a+4)-5(a-2) = 22

Opening Brackets

=> 3a+12-5a+10 = 22

=> 3a-5a+12+10 = 22

=> -2a+22 = 22

Subtracting 22 to both sides

=> -2a = 0

Dividing both sides by -2

We get,

=> a = 0

7 0
3 years ago
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