Hi there!
To subtract this, we can only subtract like terms. That means we only subtract 7x^2 and 5x^2, 4x and 10x, and -9 and -5. It might make more sense after the work below:
7x^2 - 5x^2 = 2x^2
4x - 10x = -6x
-9 - -5 = -4
So, the answer is 2x^2 - 6x - 4
Hope this helps!
Answer:
Below.
Step-by-step explanation:
A linear function contains a variable of the first degree only - for example f(x) = 2x - 1 or f(z) = 3z.
So y = x + 5 is linear.
This method can be very useful, so please try to remember it
Answer:
1,861.1 cubic centimeters
Step-by-step explanation:
Volume of a cylinder is
so you would plug it in and solve
Step-by-step explanation:
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