Answer:
because its have √-1 so it is irrational
Answer:
Step-by-step explanation:
y = -2x - 3
7x - 5y = -6
7x - 5(-2x - 3) = -6
7x + 10x + 15 = -6
17x = -21
x = -21/17
y = -2(-21/17) - 51/17
y = 42/17 - 51/17
y = -9/17
(-21/17, -9/17)
Answer: 20
Step-by-step explanation:
The last one
x + y = 25 is the number of pieces of fruit they will buy, where x is apples and y is oranges.
0.50x + 0.25y = 10 applies the cost, in cents, to each piece of fruit. The 10 is 10.00, keeping everything to the same number of decimal places.