Answer:
<em>270 m³ </em>
Step-by-step explanation:
= = 30 m²
= 30 × 9 = <em>270 m³</em>
the 1st, 2nd, and 3rd are correct
Answer:
x= 4, 2.5(or 5/2)
Step-by-step explanation:
2x²-3x-15=5
-5 -5
2x²-3x-20=0
plug into quadratic equation
(3+13)/4 (3-13)/4
16/4=4 10/4=2.5
Incorrect info please upload a correct photo of the problem
5.9 • 10^4
just add the two numbers because the exponents are equal.