Answer:
D
Step-by-step explanation:
4x²= 32
x²= 32 ÷4 <em>(</em><em>÷</em><em>4</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>
x²= 8
x= ±√8 <em>(</em><em>square</em><em> </em><em>root</em><em> </em><em>bith</em><em> </em><em>sides</em><em>)</em>
☆ A '±' symbol has to be added whenever we introduce a square root as the square of any number, positive or negative, would result in a positive number.
The correct answer is "<span>Gallons per minute, because the independent quantity is time in minutes and the dependent quantity is the volume of water in gallons."
The dependent quantity is what is the calculated dependent on your independent. So, the volume of water in gallons is depending on the amount of time.</span><span>
</span>
Answer:
n=10
Step-by-step explanation:
You need n to be 10 because: y^20= (y^10)^2
So, after sale it would be: 600 - 600*0.35 = 600-210 = 390
So, 390 euros is your answer....
Answer:
D
Step-by-step explanation:
The sum of a number and twenty-three less than that number" as a mathematical expression is x + (x – 23)
I mean its the only answer with sum and "less than" because that usually means you need to subtract, I hope this helps