Answer:
x = 3
Step-by-step explanation:
Given:

Step 1: 
Step 2:
Step 3: 
Now Solving for next steps we get
Step 4: 
dividing both side by 6 we get
Step 5:
And So the Final Answer is:
x = 3
Answer:
Step-by-step explanation:
area of top=7×6=42 yd²
area of bottom=3×6=18 yd²
area of two rectangles=2[4×6]=48 yd²
area of two trapezoids=2[1/2(7+3)×3.5]=35 yd²
total surface area=42+18+48+35=143 yd²
It can be found by using the formula,
an = a+(n-1)d
Answer:
The answer is 2
Step-by-step explanation: