Answer:
20 feet
Step-by-step explanation:
The scale is 3 inches is to 2 feet
As a ratio, it would be:
The question is what is the actual length of the stage if the drawing is 30 inches. All we need to do is find a ratio proportional to the scale ratio:
Now to find the missing number, cross multiply the fractions first:
Then solve for x:
The answer is 20 feet
33=17x-18 add 18 both sides
51=17x. divide 17 both sides
3 = x
Answer:
I'm confused by the layout of the first two, but I can help you with the last one!
The last one is C!
Step-by-step explanation:
Answer:
Step-by-step explanation:
since a=lw, the area is (x^2-3x+7)(x+4)
1. distribute parentheses
2. apply +(-a)=-a rule
3. Simplify
Steps to simplify:
4. Add like terms
5. Add like terms
Answer:
-9
Step-by-step explanation:
This is just -3 * 3
=-9