Hello
x² + 2x + 1 < 0 ⇔ (x + 1)² < 0
S = {∅} because a² ≥ 0
Answer:
I'm pretty sure its 1/4
Step-by-step explanation:
set up the composite function and evaluate
Answer:
x = 12
Step-by-step explanation:
Given the expression we are to find the value of x;
Step 1; Rearrange the equation:
Step 2: subtract 5 from both sides of the equation:
Step 3: Find the value of x:
Hence the solution to the equation is 12 not -72
Answer: probability for 1st marble being green is 2/9 and 2nd marble being red is 1/4
Step-by-step explanation:
I hope this is correct. since there are 9 marbles and 2 of them are green, you do 2/9 which is 2/9 in its simplest form. And since you didn't put back the first marble there are 8 marbles left and 2 of them are red. You do 2/8 which in its simplest form is 1/4. I hope this helps
Answer:
7.8
Step-by-step explanation:
subtract 85 - 77.2