Plug in 10 for z. Remember to follow PEMDAS (Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction)
7 + 10/2
Divide 10 with 2
10/2 = 5
Add 5 with 7
5 + 7 = 12
12 is your answer
hope this helps
Split into squares, find area of each and then add them! :)
525
Just find the y intercept which is 7m.
Answer:
(-1,2)
Step-by-step explanation:
y = -2x ______(1)
7x - 8y = -23 ________(2)
Substituting the value of y in eqn.(1) into eqn (2);
7x - 8(-2x) = -23
7x + 16x = -23
23x = -23
x = -1
y = -2(-1) = 2.
