Answer:
9 4/9 (this is a mixed fraction btw)
Step-by-step explanation:
Question: 3 4/9 + 5 7/9
Add whole numbers:
3+5 = 8
Combine fractions: 4/9 + 7/9 = 13/9
*fix your improper fraction into a proper one*
so, 13/9 turned into mixed fraction is 1 4/9 (to be clear it's not 14, 1 is the whole number and then the fraction 4/9.) *write it like a mixed fraction please*
anyway, we're not done yet..
8+1 4/9
= 9 4/9
Answer:
x = 1.14 or x = -13.14
Step-by-step explanation:
X² + 12x - 15 = 0
Using quadratic equation formula,
x = [-b ± √(b² - 4ac)] / 2a
a = 1, b = 12, c = -15
Substituting the respective values into the equation,
x = [-12 ± √(12² - (4*1*-15)] / 2 * 1
x = [-12 ± √(204)] / 2
x = (-12 ± 14.28) / 2
x = (-12 + 14.28) / 2 or x = (-12 - 14.28) / 2
x = 1.14 or x = -13.14
Yes.....................
hope this helps
