Answer:
Step-by-step explanation:
the 3 equation can not be factorised. Because they will result to fraction
Substitute y = x + 1 into 2x - 5y = 4
-3x - 5 = 4
Solve for x in -3x - 5 = 4
x = -3
Substitute x = -3 into y = x + 1
y = -2
Therefore,
<u>x = -3</u>
<u>y = -2</u>
Answer:
the second one is correct
Step-by-step explanation:
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First way: 1 bale in each cow pasture and 5 bales in each horse pasture.
Second way: 2 bales in each cow pasture and 4 bales in each horse pasture.
Third way: 3 bales in every pasture.
Fourth way: 4 bales in each cow pasture and 2 bales in each horse pasture.
Fifth way: 5 bales in each cow pasture and 2 bale in each horse pasture.
There are 5 different ways.
Answer:
12
Step-by-step explanation:
Through 12 years he would have painted 72 paintings and since he hasn't sold two of them he has only sold 70.