F ( -1 ) = 2 · ( -1 )³ - 3 · ( -1 )² +7 =
= 2 · ( -1 ) - 3 · 1 + 7=
= - 2 - 3 + 7 = 2
The square root of 7 is 2.645....
and it lies between the numbers 2 and 3.
Answer:
<u>x = 20°</u>
Step-by-step explanation:
(4x-10)+x=90
4x-10+x=90
4x+x-10=90
5x-10=90
5x=100
x=20
Answer:
77
Step-by-step explanation:
multiple and divid what do you multiplied add and subtract what do you added and done