Answer:
Step-by-step explanation:
take 45 degree as reference angle
use sin rule
sin 45=opposite/hypotenuse
1/
=x/2
do cross multiplication
x
=
*
x
=2
x=2/
x=
pythagoras theorem
a^2+b^2=c^2
(
)^2+y^2=(2
)^2
2+y^2=8
y^2=8-2
y=
Answer:
93,600
Step-by-step explanation:
4x104= 416
416x225 = 93,600
Answer:
x=6,x=-7
Step-by-step explanation:
x^2+x-42=0
x^2-6x+7x-42=0
x(x-6)7(x-6)=0
(x-6)(x+7)=0
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