Hi,
1) ax²+2bx+c=0 have real roots then (2b)²-4ac>=0 ==> 4b²>=4ac ==> b²>=ac
2) bx²-2√(ac)x+b=0 have real roots then
(-2√(ac))²-4b²>=0==> 4ac>=4b²==> ac>=b²
So b²>=ac>=b²==> b²=ac
Answer:
the answer is c 162
Step-by-step explanation:
formula for triangular prism: 1/2*b*h1*h2
substitute the values into the formula:
6*3*18=324
324/2=162
plz vote my answer the brainiest if it helps, thanks!
Answer:
you need to first figure out the equation f.
it says that 18=2/5f, so why don't we use inverse operation and multiply 18 by 5/2. and the answer would be....
Step-by-step explanation:
