Answer:
x = 1, y = -2
Step-by-step explanation:
15x + 3y = 9 (1)
10x + 7y = -4 (2)
3 × (2) - 2 × (1)
3 × (2)
30x + 21y = -12 (3)
2 × (1)
30x + 6y = 18 (4)
(3) - (4)
15y = -30
y = -30 / 15
y = -2
sub y = -2 into (1)
15x + 3y = 9
15x + (3 × -2) = 9
15x - 6 = 9
15x = 9 + 6
15x = 15
x = 15 / 15
x = 1
Answer:
Step-by-step explanation:
answer would be
x = -3 + Square root of 6 divided by 3
or
x = - (3 + square root of 6) divided by 3
Solve with the quadratic formula
Two-fifths or
is equivalent to the following.
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0.4</span>
40%2 pizzas being shared among 5 friends is a real-world example i<span>
n which each form might be used.I hope this helps!</span>