The correct answer is A. 1
Answer & Explanation:
Energy is heat. For example, if you boil a cup of water it has more energy than a cup at room temperature. It is considered a physical change because its properties do not change only the state of matter. On the other hand, if wood burns then that is a chemical change because it changes its chemical properties. Please rank as Brainliest if this helps! Thank you!
Answer:
x= 3.57
Step-by-step explanation:
32 ( x + 2.5) = 114.24
32* x + 32* 2.5= 114.24
32x + 80= 114.24
-80 -80
32x= 114.24
/ 32 /32
x= 3.57
for the part that says convince me, we can use the eqution
/= divide
Answer:
Do u want the formulas or working
The expression that describes all of the values for which the graph is positive and decreasing is all real values of x where x < -1
<h3>Which describes all of the values for which the graph is positive and decreasing?</h3>
The equation of the function is given as:
f(x) = (x - 3)(x + 1)
When the value of the graph is positive, we have:
f(x) > 0
So, the function becomes
(x - 3)(x + 1) > 0
Split the above inequality
x - 3 > 0 and x + 1 > 0
Solve for x in the inequalities
x > 3 and x > -1
Hence, the expression that describes all of the values for which the graph is positive and decreasing is all real values of x where x < -1
Read more about intervals at:
brainly.com/question/1503051
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