Answer: Answer to be MAY be 18, I don't know. Just a guess.
Step-by-step explanation
Answer: -5
Step-by-step explanation: since he only had 80 in his checking
Answer: use x+4 to divide x³+2x²-23x-60
x² -2x-15
__________
x+4 √x³+2x²-23x-60
-(x³+4x²)
-2x²-23x-60
-(-2x²-8x)
-15x-60
-(-15x-60)
Factorize x²-2x-15
x²-5x+3x-15
x(x-5)+3(x-5)
(x-5)(x+3)
Step-by-step explanation:
Answer:
If the temperature after mixing is higher than the temperature before mixing, It means that the forces acting between A and B molecules have increased (which is the new intermolecular forces).
There will be increase in the energy (brought temperature increase)required to break the old forces of attraction within each liquid molecules.
Answer:
83°
Step-by-step explanation:
A complementary angles' measurements will equal 90°. One of the angles = 7°. Subtract 7 from 90:
90 - 7 = 83
83° is the measurement of the complementary angle.
~