Answer:
-8 + 7
Step-by-step explanation:
7 - 8 = -1
-8 + 7 = -1
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
The speed of the current is 7 miles per
hour.
Step-by-step explanation:
Let × represent speed of the current.
We have been given that a motorboat
maintained a constant speed of 11 miles per
hour relative to the water in going 18 miles
upstream and then returning.
The speed of motorboat while going
upstream would be 11
The speed of motorboat while going
downstream would be 11 + 2
Time
Distance
Speed
Idk i can't see that, sorry
Answer:
4
Step-by-step explanation:
(-3) * (8/-6)
3 * 8/6
3 * (2 * 4)/6
3 * (2 * 4)/(2 * 3)
3 * (4/3)
4
