Answer:
16mm
Step-by-step explanation:
Just do 40 * 2/5 = 80/5 = 16mm
Ten times two is equal to twenty.
Answer:
9/20 mile^2
Step-by-step explanation:
9/10 x 1/2 = 9/20
B²-4ac?
<span>5x²+7x-6 = 0 </span>
<span>the form is ax²+bx+c = 0 </span>
<span>a=5, b=7, c=-6 </span>
<span>The discriminant D = b²-4ac </span>
<span>= 7² - 4(5)(-6) = 49 + 120 </span>
<span>= 169 </span>
