Answer:
Step-by-step explanation:
2x^2-10x+7 A=1, B=-10. C=7
-(-10)±√-10^2-4(1)(7)
------------------------------
2(1)
10±√100-28
----------------
2
10±√72
-----------
2
<u>10±8.485281374</u>
2
<u>10+8.485281374 </u>=9.24
2
<u>10-8.485281374</u> =0.76
2
Step-by-step explanation:
The scientific notation:
where 1 ≤ <em>a</em> < 10, and <em>k</em> ∈ Z (integer).
Answer:
x=20
OL=40
Step-by-step explanation:
Answer:
100 wizards
Step-by-step explanation:
Because if there are 100 wizards, 20% of 100 is 20.
And 20+100=120
Hope this helps and please mark brainliest.
Answer:
0
Step-by-step explanation:
because when you square a number, you multiply it by itself. So, you would do 0 x 0 = 0
Hope this helps!
- profparis
