20% because you’d take 1/5 of 100 to find the percentage
Answer:
First, subtract to find the amount of change: 225 - 25 = 200. The increase is 25. Next, divide the amount of change by the original amount:.
Step-by-step explanation:
Hello!
To solve this equation, we need to isolate the variable on one side of the equation to see what it equals.
As you can see, 2.7 is added. To get it onto the other side and cancel it from the one side, you will subtract it from both sides as shown below. Note that because of the commutative property, we can switch the places of 2.7 and x.
x+2.7-2.7=17-2.7 (Note that 2.7=2.7 is 0 in this equation.
x=14.3
Our solution is x=14.3
I hope this helped you learn how to solve equations a bit better!
Answer:
52
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
Here the sum = 9000°, thus
180° (n - 2) = 9000° ( divide both sides by 180° )
n - 2 = 50 ( add 2 to both sides )
n = 52
Answer:
Step-by-step explanation:
Two variables, x and y, appear to be exponentially related. The regression equation for ln y on x is 
we need to predict the value of y when x=0.72
plug in the value of x in the given equation
