We have that
2sin²<span>x - sinx - 3 = 0
</span>
Let
A------> sin x
so
2A²-A-3=0
using a graph tool-----> to resolve the second order equation
see the attached figure
the solutions are
A=-1
A=1.5------> is not solution because sin x <span>can not be 1.5
the solution is
A=-1
therefore
sin x=-1
x=arc sin(-1)=-90</span>°
the answer is
sin x=-1x=-90° or 270°
Answer:
145.
Step-by-step explanation:
x+35=180
x=180-35
x=145
please mark as brainliest.
<span>x = 2, y = 1
= 3*2 + 7*1
= 6+7
= 13
Hence, (2, 1) is the answer.</span>
Answer:
I am 99.99% sure it is the first one
Answer:
0.02651
Step-by-step explanation:
P(all 5 are boys) =

= 0.02651 ( wow low)