Answer:
49b^10 -16b^2
Step-by-step explanation:
(7b^5)^2 -(4b)^2=
49b^10 - (4b)^2=
49b^10 - 16b^2
Answer:
x = 0.6y.
Step-by-step explanation:
x = ky is direct variation where k is some constant;
Now we find k:-
Substituting for x and y:
9 = k*15
k = 9/15 = 0.6
So the equation is
x = 0.6y.
Answer:
He will have read 495 minutes
Step-by-step explanation:
10 percent of 450 is 45, add that to 450 and you get 495
9514 1404 393
Answer:
any real number
Step-by-step explanation:
The value of 7^0 is 1, so the equation is ...
1^x = 1
This is true for any value of x. Possible values of x are "any real number."
Its 40 you basically add it kus if it gets colder than the temperature must of been higher so you add
