80 is the fixed amount because it is a cost before you get their services. So basically the Y intercept. It is if you pay for an 80$ membership fee and then you are charged per month.
Area of rectangle is base times height
area of triangle is 1/2 times base times height
this shape has 3 rectangular sides and 2 triangular sides
2 sides and 1 bottom
2×(6×5)+1×(6×8) = 108
front and back triangular sides
2×(1/2)×(3×8) = 24
total is 132 cm^2, C
Answer:
whats the name of chapter??
Answer:
<em>D = 41</em>
Step-by-step explanation:
y = ax² + bx + c
The discriminant D = b² - 4ac tells the types of roots the equation has.
If D < 0 , then quadratic equation has no real roots, has two imaginary roots.
If D = 0 , then quadratic equation has one real root.
If D > 0 , then quadratic equation has two distinct real roots.
~~~~~~~~~~~~
x² + 5x - 4
a = 1, b = 5, c = - 4
<em>D </em>= 5² - 4(1)(- 4) = 25 + 16 =<em> 41</em>
