Explanation

= 9 /9 x 9/18 x 9/27 x 9/36 x 9/45 

= 1 x 1/2 x 1/3 x 1/4 x 1/5

= 1 x 1 / 2 x 3 x 4 x 5

= 1 x 1/ 120

= 1/ 120

Explanation

The improper fraction is a fraction in which the numerator is greater than the denominator, such as 11/6.

Explanation

Explanation

Firstly, subtract 2x from both sides of the equation to obtain 3x+3=9.

Then subtract 3 to achieve 3x=6.

Finally, divide both sides by 3 to obtain the final answer of x=2.

5x-3=2x-9

5x-2x=9+3

3x=12

x= 12/3

x=4

Explanation

Explanation

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Explanation

Let the three consecutive integers be  x+1, and  x+2.

According to the problem, their sum is 72:

x+(x+1)+(x+2)=72

Combine like terms: 

3x+3=72

Subtract 3 from both sides: 

3x=69

Divide by 3: 

x=23

Explanation

When you add 2 and 0.5, the result is 2.5 (2 + 0.5 = 2.5).

Explanation

To simplify $1.2 times 10^{48} + 1.2 times 10^{41}$ factor out the common coefficient:

$$1.2 times (10^{48} + 10^{41})$$

Since $10^{48}$ is much larger than $10^{41}$, $10^{48} + 10^{41} approx 10^{48}$

$$
Thus, the expression simplifies to:

$$1.2 times 10^{48}$$

The sum remains close to $1.2 times 10^{48}$not multiplied significantly.

Hence, the correct answer is "None."

Explanation

If amna is x years old then 5 times amna's age three years ago is 5(x-3)

let   Amna's age = x

three years ago Amna's age = x - 3

5 times Amna's age three years ago = 5(x - 3)

SH14-8-2023