Solve: -3/4x - 8 + 5/4x - 4 = 9 x=?
1 answer:
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Answer:
(1,-5)
Step-by-step explanation:
The given system of inequalities are;
and
The point that is a solution will satisfy the two inequalities.
Checking for (1,-5)
and
: True
: True
This point lies in the solution region.
Checking for (1,5)
and
: False
: False
This point does not lie in the solution region.
Checking for (5,1)
and
: False
: True
This point does not lie in the solution region.
Checking for (-1,5)
and
: True
: False
This point does not lie in the solution region.
The weight of a 170 cm steel bar will be 5 Kg
Step-by-step explanation:
Derek uses a 136 cm flat steel bar that weighs 4 kg to make rack in the garage.
1 kg = 1000 gm
So the weight of 1 cm steel bar will be kg
Weight of 1 cm bar = gm
Let the weight of a 170 cm steel bar will be ×
gm
⇒ ×
gm
⇒ 5000 gm
⇒5 kg
Hence, the weight of a 170 cm steel bar will be 5 Kg