Answer:
D
Step-by-step explanation:
-4 is listed twice with 2 different outputs
K+2/3=-7
K+2=-7x3
K+2=-21
K=-19
Step-by-step explanation:
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Tan(30deg) = n/rt(3)
1/rt(3) = n/rt(3)—> n=1
sin(30deg) = 1/m
1/2=1/m—> m=2
Thus m=2 ,n=1
The formula of a volume of a cuboid:
l - length
w - width
h - height
We have:
l = (x + 4) cm
w = (x + 1) cm
h = 3 cm
Substitute:
<em>use distributive property</em>
<em>combine like terms</em>
