Answer:
Your answer would be B. A metal railing rusting in damp weather because anything that contains any sort of rust whats so ever is always considered a chemical change.
Answer:The percent decrease was 15%
Step-by-step explanation:
In order to find this, use the percent change equation.
(New - Old)/(Old) * 100 = % Change
Now input 149.42 for the New price and 175.80 for the Old price.
(149.42 - 175.80)/(175.80) * 100 = % Change
-26.38/175.80 * 100 = % Change
-.15 * 100 = % Change
-15 = % Change
Step-by-step explanation:
Answer:
1. 180° ∑triangle angles=180°
2. 2x
3. 52°
Answer:
She has an initiall amount of 6 hours, so if T is the amount of time that passed since she rented the boat, the inequality that describes this system is:
0≤ T ≤ 6
This means that she can use the boat from 0 hours to 6 hours, here we are allowing the intermediate values because, of course, she can return the boat earlier than in the given time.
From this we have that the maximum time left that she has can be written as:
x + T = 6
so if T = 3h, meaning that 3 hours passed, she has:
X + 3 = 6
x = 6 - 3 = 3
3 hours left.
Answer:
Step-by-step explanation:
Just use FOIL (first, outer, inner, last)
3(x + h)(x + h)
First --> (x)(x) = x^2
Outer --> (x)(h) = xh --> 1xh
Inner --> (h)(x) = xh -->1xh
Last --> (h)(h) = h^2
3(x^2 + 1xh + 1xh + h^2)
3(x^2 + 2xh + h^2)