Answer:
108 metres
Step-by-step explanation:
3cm=4m 1cm= 4/3m 81cm=4/3m×81=108m
Answer:
x = -25/13
Step-by-step explanation:
Subtract 41 from 16 and divide the difference by 13
Answer:
9d + 7
Step-by-step explanation:
(6d + 5) - (2 - 3d)
= (6d - (-3 d))+ (5 - 2)
= (6d + 3d) + 3
= 9d + 3
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<span>x-y=1 (1)
x+y=3 (2)
Add (1) and (2) to eliminate y:
x- y + x - y =1 + 3
2x = 4
x = 4/2
</span><span>x = 2
Substitute x = 2 into (1) to find y:
2 + y = 3
y = 3 - 2
y = 1
The solution is (2, 1) </span>
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