Answer:
yes
Step-by-step explanation:
60 - 0.1(60) = 54
60 - 6 = 54
54 = 54
Answer:
s to the power of 3
Step-by-step explanation:
Answer:
x=15
Step-by-step explanation:
So we know 4x plus 8x gets a total of 180 degrees (since a straight line is 180 degrees). Combine 4x and 8x to get 12x. To find x, divide 12 from 180. 180/12 is 15.
Answer:

Step-by-step explanation:

Differentiate:

Substitute
into
:

Therefore, 68 is the gradient of the tangent line at x=7:

when
, 


Answer:
Because you can't divide by zero.
Step-by-step explanation:
If x = -2, it makes the denominator 0. This will result in the equation being undefined because you can't have zero in the denominator.