Answer:
I think its C.4
Step-by-step explanation:
-20 is the answer I think
Answer:
Step-by-step explanation:
Length=18
Width/Breadth =10
Height=2
The formula for a diagonal face of a cuboid is=√(l²+ b²)
Face diagonal=√(18²+10²)
= 20.59 to 2.d.p
The formula for the body diagonal of a cuboid is=√(l² + b² + h²)
Body diagonal=√(18² + 10² + 2²)
=20.69 to 2.d.p
Answer:
2/3x+4=7
x=4.5
Step-by-step explanation:
2/3x+4=7
-4 -4
2/3x=3 (multiply by 3/2)
multiply both side by the reciprocal
x=4.5
Answer:
1/81
Step-by-step explanation: