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3 years ago

Solve. 3^x = 81 a X= 2 b. X= 4 c. x=6 d. x =9 HELPPPPP

Mathematics

2 answers:

OverLord2011 [107]3 years ago

4 0

Answer:

it's B on ed

Step-by-step explanation:

100%

maw [93]3 years ago

3 0

Answer:

B= x=4

3 x 3 x 3 x 3

3 x 3=9

9 x 9=81

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Step-by-step explanation:

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3 years ago

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Soloha48 [4]

Answer:

$3.\ \dfrac{3x}{11x}, \dfrac{6}{22}, \dfrac{9}{33},\dfrac{12}{44}$

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Step-by-step explanation:

Solution 3:

Equivalent fractions to are to $\frac{3}{11}$ be found out.

Method: By Multiplying both the denominator and numerator with the same number, we can easily find equivalent fractions.

1. Multiply with 2:

$\dfrac{3 \times 2}{11 \times 2}\\\Rightarrow \dfrac{6}{22}$

2. Multiply with 3:

$\dfrac{3 \times 3}{11 \times 3}\\\Rightarrow \dfrac{9}{33}$

3. Multiply with 4:

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If we try to write in variable form, it can be written as:

$\dfrac{3x}{11x}$

where x is any number.

---------------

Solution 4:

$(2x-10)$ when $x=-4$

$2 \times (-4) -10\\\Rightarrow -8 -10\\\Rightarrow -18$

------------

Solution 5:

$(10a)^2, a=-2\\\Rightarrow \{10 \times (-2)\}^2\\\Rightarrow (-20)^2\\\Rightarrow 400$

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2 years ago

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