(3x squared)to the power of -2

2 answers:

7 0

$(3x^2)^{-2}=\frac{1}{9}x^{-4}=\frac{1}{9x^4}$

Nady [450]3 years ago

3 0

$(3x^2)^{-2}\to\boxed{1/(3x^{2})^2\to\frac{1}{9x^4}}$

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wel

4-7x= 39

Subtract 4 from both sides
-7x= 35

Divide both sides by -7
x= -5

The value of x+1= (-5)+1= -4.

3 0

3 years ago

lina2011 [118]

Cos x = 5 / 9 ==》 Cos x = 0.55

==》 x = 56 degrees

4 0

3 years ago

Hatshy [7]

Answer:

$\frac{3×7}{5×7} \frac{21}{35}$

5 0

3 years ago

ale4655 [162]

Answer:

40.38 Is the answer :)

Step-by-step explanation:

5 0

3 years ago

babymother [125]

M = {2, 3, 5, 7} (and possibly includes 11 if "between x and y" means to include both x and y)

N = {1, 2, 3, 4, 6, 12}

Then

M U N = {1, 2, 3, 4, 5, 6, 7, 12}

(or possibly {1, 2, 3, 4, 5, 6, 7, 11, 12})

M ∩ N = {2, 3}

3 0

3 years ago