Answer:
Step-by-step explanation: add the equations
2x² = 30
x² = 15
y² = 12 - 15
= -3
x4 -y4 = 15² - (-3)²
= 216
Answer:
4 1/2. Root 18 simplifies to 4.242640687, which is less than 4.50
Answer:
x = -2
Step-by-step explanation:
1/3(x - 10) = - 4
1/3x - 10/3 = - 4
1/3x = -4 + 10/3
1/3x = -2/3
x = -2/3 · 3
x = -2
Answer:
I don't if this is right but is the 629
Step-by-step explanation:
What do you mean? If you want it in order than you can say it. -17, -10.5, -4, 2.5, 9
