Answer:
x = 5 y =-2
Step-by-step explanation:
You can substitute the 4y in,
7x - (-3-x) = 43
7x + 3 + x = 43
8x + 3 = 43
8x = 40
x = 5
Then plug the x back into the equation,
4y = -3 - 5
4y = -8
y = -2
Answer:
Average rate of change=-3
Step-by-step explanation:
The average rate of change is given by the relation between the values of f(x) and x, in two different points as follows:
In this case, 
Therefore,
Answer:
= 0.857143 and 
= 0.375
Step-by-step explanation:
Answer:
20 the answer is 20 because you plug in 4 for n.
Answer: −
0.875
Because you just turn -0.875 into a decimal: To convert a fraction to a decimal, divide the numerator by the denominator. If required, you can use a calculator to do this.
