Hi,
(a+b)² = a²+2ab+b²
For a = 2 and b = 5
(2+5)² = 2²+2(2)(5)+5²
(2+5)² = 4+20+25
(2+5)² = 49
Answer:
D. Square of a Binomial
Answer:
Step-by-step explanation:
{y2+8y−128=0x=34⋅(y+4) ... The two right triangle are similar, so: BDAB=DEAC. From this, I obtain: ... AC=3x AB=4x (3x)²+(4x)²=225 x=3 BD=8 AB/AC=BD/DE 12/9=8/DE DE=6.
Answer:
<h2><u><em>
20%</em></u></h2>
Step-by-step explanation:
Express 4/20 as a percentage.
4/20 = 1/5
100 * 1/5 = 20%
<h2 /><h2>She should find the square root, of 144 sq ft, which is 12 ft</h2><h2 /><h2>Hope that helps!</h2>
