Answer:
ΔDEC/ΔRST is 13/3 it is c
Step-by-step explanation:
ΔRST/ΔDEC = 3/13 so the inverse is 13/3
Answer:
b.7
Step-by-step explanation:
you take the three and substitute that in for x. 2(3) + 1
2(3)=6 then add 1
Answer:

Step-by-step explanation:
The square in the middle has a length and width of 3, so multiply. <u>9</u>.
All of the triangles have a base of 3 and a height of 2. The area equation for triangles is

So base*height is 6. Divide that by 2 or multiply by 1/2.
You get 3. There are 4 triangles, so multiply <em>that</em> by 4. <u>12</u>.
Add 12 and 9 together, and you get:

I hope this helps!
Answer: Step-by-step explanation:
#1. +4.9 +4.9
m/2.8 = _____
*2.8 *2.8 Multiply both by 2.8
Calculate the answer this is your work after all!!!
Answer:
A, B, D
Step-by-step explanation:
The points that lie in the overlapped area (purple), or on the blue line, are solutions to the system.
Hope that helps! :D