Explanation

Solution :

If x= 2, y = 3, z = 4 then

$3x^2-4y^2+2z^2$

=$3(2)^2-4(3)^2+2(4)^2$

=$\left(3\times4\right)-\left(4\times9\right)+\left(2\times16\right)$

=$12-36+32$

=$44-36$

=$8$

∴ $3x^2-4y^2+2z^2=8$

Explanation

Explanation

Explanation:

= P × P × P / P × P × P -3 

= -3 -3 -3 / -3 -3 -3

= -9 / -3 -3 -3

= -3

Explanation

 William Lee invented the knitting machine.

A stocking frame was a mechanical knitting machine used in the textile industry.

It was invented by William Lee of Calverton near Nottingham in 1589.

The first knitting machine has 8 needles to the inch and only produces a coarse fabric.

The circular knitting machine was invented In 1918

ND16-8-2023

Explanation

diffidence meaning اختلاف

timidity meaning ڈرپوک

ND16-8-2023

Explanation

Option A is grammatically correct 

• When I swim often, I get a sore arm
  

جب میں اکثر تیراکی کرتا ہوں تو مجھے بازو میں زخم آتا ہے

...

 Another option is grammatically incorrect.

• Going swimming can often leaves me with a sore arm
  

تیراکی میں جانے سے اکثر مجھے بازو میں درد ہو سکتا ہے۔

• Going swimming often leaves me with a sore arm
  

تیراکی میں جانے سے اکثر مجھے بازو میں درد رہتا ہے

Explanation

" Decadence" in the Pakistan family unit is the main reason for undisciplined offspring.

پاکستانی خاندانی اکائی میں "انحطاط" غیر منظم اولاد کی بنیادی وجہ ہے۔

...

Another word used for "Deterioration" is "Decadence"

Decadence is best to keep the meaning of the original sentence.

...

Deterioration is a phrase that means"the falling from a higher to a lower level in quality, character, or vitality," 

deterioration meaning بگاڑ

Decadence meaning تنزلی

ND16-8-2023

Explanation

Step-by-step explanation:

Let the number of days be x , then

As it is an inverse variation

6×16=8×x

(6×16)÷8=x (by transposing 8)

=12

Explanation

percent is 3/4 of 5/6 is  90%

..

Explanation:

3/4 = x% of 5/6

3/4×6/5 =9/10 =x%

x = 9/10 × 100 = 90%

Explanation

4 = 4

1 = x

Therefore, 4 * 1/4 = x

4/4 = x

1 = x

ND16-8-2023