Answer:
8.11
Step-by-step explanation:
You round it up because the 3rd number (thousandths) is 5 or above, and since it's 7 you round that up and drop off the last number.
There is a numerical expression:
5 + ( 17 - 8 ).
It is the sum of 5 and 17 - 8 between the parenthesis.
Mathematical phrase is:
Sum of 5 and difference of 17 and 8.
Answer:
65/80 score
Step-by-step explanation:
F(1)=0 so x=1 is a zero => x-1 is a factor 1 | 1 -8 -23 30 | 1 -7 -30 --------------------- 1 -7 -30 | 0 x^2-7x-30 is another factor x^2-7x-30=(x-12)(x+5) x=12, x=-5 our roots too s0 1+12+(-5)=13-5=8
