Answer:
15
Step-by-step explanation:
5:22=15:66, simply multiply 3 in the right hand side
Answer:
=2.90d
Step-by-step explanation:
i think is that hope IT help
Answer:
5.4375 Pounds (lb)
Step-by-step explanation:
By using the calculator, and dont call your self stupid we all need help sometimes
The discriminante :
b^2-4ac
1^2 - 4 * -2 * -28 = 1 - 224 = -223
When the discriminant (b^2-4ac) is less than 0, the equation had no real solutions.
-223<0, so, 2x^2+x-28 = 0 has no real solutions.
Hope that helps :)