My triangle solver says EF ≈ 7.5 ft.
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The law of cosines is usually used for this.
EF^2 = DE^2 +DF^2 -2*DE*DF*cos(D)
.. = 6^2 +11^2 -2*6*11*cos(40°)
.. ≈ 55.88
EF ≈ √55.88 ≈ 7.5 . . . ft
Answer:
x=5
Step-by-step explanation:
its easy just subtract 9 from 24 to get 15 and 15 divided by 3 is 5
Answer:
d.120
Step-by-step explanation:
p=70
m=120
z=120
Answer:
Step-by-step explanation:
1) Factor out the x components of the equation
(x+3)(x+1)=0
2) Take each individual term and find the value for which the equation equals zero:
x+3=0 -> x=-3
x+1=0 -> x=-1
x = -3, -1