Question

28 points extra mil gye the ... ye bhi rkh lo ..
xD​

Answer 1

Answer:

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What is bond enthalpy?

Bond enthalpy (which is also known as bond-dissociation enthalpy, average bond energy, or bond strength) describes the amount of energy stored in a bond between atoms in a molecule. Specifically, it's the energy that needs to be added for the homolytic or symmetrical cleavage of a bond in the gas phase. A homolytic or symmetrical bond breaking event means that when the bond is broken, each atom that originally participated in the bond gets one electron and becomes a radical, as opposed to forming an ion.

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Explanation:

Answer 2

Explanation:

$\huge{\green{\underline{\underline{\tt{Solution:}}}}}$

Given,

☞ x = -1

Let, P(x) = 5x-4x²+3

$→\;{\sf{P(-1) = 5(-1)-4(-1)²+3}}$

$→\;{\sf{P(-1) = -5-4(+1)+3}}$

$→\;{\sf{P(-1) = -5-4+3}}$

$→\;{\sf{P(-1) = -9+3}}$

$➝\;\red{\bf{P(-1) = -6}}$

Hope It Helps You ✌️

$\huge\underbrace{\green{\tt{\diamond\; Solution:}}}$

Let

Total Pocket Money be 'x'

Now, Savings = 30% of x

$→\;\Large{\frac{30}{100}×x}$

☞ $→\;\Large{\frac{30x}{100}}$

Given,

Amount Spend = Rs. 280.

$→\;\Large{\sf{x - \frac{30x}{100} = 280}}$