Answer:
Step-by-step explanation:
-4x + 2y = -30
-2x + 2y = -10
-4x + 2y = -30
2x - 2y = 10
-2x = -20
x = 10
-2(10) + 2y = -10
-20 + 2y = -10
2y = 10
y = 5
(10, 5)
Answer: square root
Step-by-step explanation:
Answer:
Step-by-step explanation:
Where are the equations to choose from?
14 pounds × (1 bag)/(¼ pound) = 56 bags
11 is only divisible by 1 and 11, it is a prime number. 21 is visible by 1, 3, 7, and 21; not a prime number. 51 is divisble by 1, 3, 7, 17, and 51; not a prime number. 11 is the only prime number .
7 times x, 35 times 2
7x=70
divide both sides by 7
x=10
