D. if something is directly proportional then if something happens to X the exact same thing needs to happen to Y
Answer:
Valid
Step-by-step explanation:
3(x-4)=x+4 <em>Given</em>
3x-12=x+4 <em>Distribute</em>
2x=16<em> Subtract x from both sides and add 12 to both sides</em>
x=8 <em>Divide each side by 2.</em>
<em> </em>
<em />
Bu using Pythagoras theorem
(x^2)+(21)^2=(75)^2
Therefore. 5625-441=(x)^2
X^2=5184
Therefore x=72
Third side length=72 units
Answer:
What is the relative frequency of a student choosing the aquarium? Give your
answer as a decimal rounded to the nearest hundredth. (The hundreths place is two
decimal places. For example, .9543 would be rounded to .95)
Step-by-step explanation: