<span>x^2 – 7x + 10 = (x-2)(x-5)
</span><span>4x^2 – 81 = (2x-9)(2x+9)
</span><span>3x^3 – 12x - 3x(x-2)(x+2)</span>
This is very easy to solve once you understanding writing equations. In this case, we could do n+6=100 because we know that the number of songs he has now (n) plus 6 will equal 100. Below is a solution for this equation.
n+6=100
-6 -6
n=94
After solving our equation, we know that Kirk has 94 songs.
8.2 grams = 1 mol
Na ________
22.99 grams
First multiply the value of 8.2 to 1. Then divide by the value of 22.99 to determine the number of moles of sodium present in the 8.2 gram sample.
Then use the following equation to solve for sodium atoms.
Number of moles of Na • Avogadro Number = Number of sodium atoms.
0.3566782 • (6.02 X 10^23). = 2.1472 X 10 ^ 23. Or 2.15 X 10 ^ 23.
The answer is the second option - 2.15 X 10 ^ 23.
11*57+X(1+2+3+.....+56)
=11*57+X(1+56)*56/2
=627+1596X
=19779
X=(19779-627)/1596=12
Your answer is C
-5+-8=-13
8-5=3
-5-(-8)=3
-5+8=3
I’m not 100% sure what you are asking but remember that a negative subtracted by a negative makes a positive
Step-by-step explanation:
