Hello,
-16t²+17t+7=11
==>16t²-17t+4=0
Δ=17²-4*4*16=33
==>t= (17-√33)/32=0.351732... (s)≈0.35 (s)
or t=(17+√33)/32=0.710767 (s)≈0.71 (s)
Nine and Two Hundred Thirty-Four Thousandths
Answer:15.808
Step-by-step explanation:
you just multiply no need to line up the decimal points tho
Hey there! You have to use PEMDAS.
Doing so will get you the answer choice of B
