Area of a triangle= 1/2 base times height
substitute
40=1/2*10*x
40=5x
x=8
the height is 8 inches
Answer:
3x +2=14
subtract 2 from both sides
3x + 2-2=14-2
3x=12
Step 2:Divide both sides by 3.
3x/3 = 12/3
x = 4
Step-by-step explanation:
9×7=63
63÷2=31.5
31.5×4=126
7×7=49
126+49=175
175 is the answer
Answer:
1
Step-by-step explanation: