Answer:
Lucy sews
dresses in 1 hour.
Step-by-step explanation:
Given:
Lucy sews
of a dress in
hour.
She sews at constant rate.
We need to find the number of dresses she makes in 1 hour.
In
hour =
dress
So in 1 hour = Number of dresses in 1 hour
By using Unitary method we get;
Number of dresses in 1 hour= 
Hence Lucy sews
dresses in 1 hour.
The answer would be c.127
The answer is 29.5
Okkkkkkkkrrrrrrrr It is a long division just use calculator
Answer:
What is this?
Can't understand anything!
The discriminant is b^2-4ac
ax^2+bx+c=0
x^2+11x-10=0
11^2-4(1)(-10)
1. Simplify 11^2 to 121
121-4(1)(-10)
2. Simplify 4*1*-10 to -40
121-(-40)
3. Simplify brackets
121+40
4. Simplify
161
Your discriminant is 161