(x-2)(x-2)+6(x-2)+9
so first we distribute
x^2-2x-2x+4+6x-12+9
group like terms
x^2+2x+1
factor
find what 2 numbers add to get 2 and multiply to get 1
the numbers are 1 and 1
(x+1)(x+1)
Answer:
Chang get $853.35 for selling the gold.
Step-by-step explanation:
To calculate how much money can Chang get for selling the gold we have to know the conversion between ounces and grams.
We know that 1 ounce is equivalent to 28.3495 grams.
Then, if Chang sold the 21 g that receive from his uncle, the amount of money he gets is:
Chang get $853.35 for selling the gold.
I believe it's the first one and the second one.
Answer:
9 cm, 2 cm
or
6 cm , 3 cm
Step-by-step explanation:
There are two possibilities of the lengths of the sides of rectangle
Answer:
17 1/2 in²
Step-by-step explanation:
a=l×w
or in this case a=h×b
2 1/2×7= 17 1/2 in²