Answer:
so it would be (7x-4)+(5x+8) = 160
x=13
I would assume this to be equal to y⁴ ₓ y⁵
= y⁴ ⁺ ⁵, By law of indices.
= y⁹
I hope this helped.
Answer:
4
Step-by-step explanation
Formula: <em>b * h</em>/ 2 (Base times height divided by 2)
4 x 2 = 8
Divide in half
8/2 = 4
Answer:
23
Step-by-step explanation:
In this question, we want to evaluate the expression "9z-4" for z=3.
This means, we want to calculate the result when we substitute the z in this expression for 3.
So we have: 9(3)-4, which is equal to 23.
Let me know if this helps!