3.42. 342 hundredths is a decomposition of 3.42. On the place value chart if you write 3 ones 4 tents and 2 hundredths and then decompose it to a unit you get 342 hundredth. Hundredth is the unit.
Answer:
12x - 11
Step by step
Answer:
Area of triangle = 20 square yards
Step-by-step explanation:
The height of triangle = 5 yd
The base of triangle = 8 yd
We need to find area of triangle.
The formula used is: 
Putting values and finding area

So, Area of triangle = 20 square yards
explanation
3x(5+x) - 2x(3x-7)
open the brackets, we have
15x + 3x^2 - 6x^2 + 14x
collect like terms
3x^2 - 6x^2 +15x + 14x
-3x^2 + 29x
answer= -3x^2 + 29x