Answer:
The answer for this question is <u><em>2√3 + 2.</em></u>
Step-by-step explanation:
<u><em>6√3 - 4√3 + 2</em></u>
<u><em>= ( 6 - 4 )√3 + 2</em></u>
<u><em>= 2√3 + 2 </em></u><em> </em><u><em> ans...</em></u>
<u><em></em></u>
Hope its helpful :-)
If so, please mark me as brain-list :-)
Answer:
C
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin30° =
, then
sin30° =
=
=
( cross- multiply )
2x = 10 ( divide both sides by 2 )
x = 5 → C
Answer:
c. 108.4
Step-by-step explanation:
cos theta = (u dot v)/ (||u|| ||v||)
where dot stands for dot product and || || is the magnitude
u = (1,5) v= (7,-4)
u dot v = (1*7 + 5*-4) = 7-20 = -13
||u|| = sqrt( 1^2 +5^2) = sqrt(1+25) = sqrt(26)
||v|| = sqrt(7^2 + (-4)^2) = sqrt(49+16) = sqrt(65)
cos theta = -13/ sqrt(26) sqrt(65)
cos theta = -13 /sqrt(1690)
theta = arccos (-13/sqrt(1690))
theta = 108.43
Answer:
x times 5 is 21
Step-by-step explanation:
you times x to 5 and then you will get 21