Distribute
a(b+c)=ab+ac
2(10-r)=20-2r
now we have
8+20-2r
28-2r
Answer:
The standard enthalpy of combustion of ethene gas, , is at . Given the following enthalpies of formation, calculate for .
Step-by-step explanation:
The standard enthalpy of combustion of ethene gas, , is at . Given the following enthalpies of formation, calculate for .
Answer:
A.No, the probability of getting a 3 on a fair die does not change. It will always be
Step-by-step explanation:
Get a good grade!
Answer:
a) x= 5 or x= -3
b) x = -4 + or -4 -
Step-by-step explanation:
a) - 2x - 15 =0
x = or
x= 5 or x=-3
b) + 8x - 10 =0
x = or
x = -4 + or -4 -
The number -49 is less because it's farther away from the zero. -41 is closer to zero than -49. Try it out on a number line!