Answer:
x=3.5
Step-by-step explanation:
AD/BD=AC/BC
x/4.2=5/6
6x=21
6x/6=21/6
x=3.5
Hope this helps! ;)
Answer:
9 inches
Step-by-step explanation:
Perimeter of equilateral triangle = 3x
Perimeter of square = 4x
3(x + 6) = 9 + 4x
3x + 18 = 9 + 4x
-x = -9
x = 9
Answer:
subtracting 14 from sides of the number sentence
Step-by-step explanation:
14 + n = 84
Since 14 is being added to n, you need to subtract 14 from both sides to solve for n.
Answer: subtracting 14 from sides of the number sentence
Answer:
99
Step-by-step explanation:
6 x 6=36
9 x 15=135
135-36=99
2(5x-1)-(2x-5).
=10x-2-2x+5.
=10x-2x+5-2.
=8x+3.
Hope it helps.