Answer:
D
Step-by-step explanation:
x²=4
x=√4
X1=2
X2=-2
Answer:
<h2>x = -4</h2>
Step-by-step explanation:
<em>Look a the picture</em>.
Draw the horizontal line <em>y = 2</em>.
Common point: (-4, 2).
Conclusion: f(x) = 2 → x = -4
Answer: the surface area is 216cm
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
Subtract 1 from both sides. The equation becomes 2.5d + 6.25 = 3.75d
Subtract 2.5d from both sides. The equation becomes 6.25 = 1.25d
Divide 1.25 from both sides. You get 5 = d