Answer:
<h2>3.14159</h2>
Step-by-step explanation:
A) Pi value using circumferences
C = circumference
d= diameter
Formula: C = Pi*d⇒Pi = C/d
Circle A)
Pi = 21.98/7 = 3.14
Circle B)
Pi = 18.84/6= 3.14
B) Using areas
A = area
r = radio = diameter/2
Formula: A = Pi*(r^2 )⇒ Pi = A/(r^2)
Circle A
Pi = 38.465/(3.5)^2= 3.14
Circle B
Pi= 28.26/(3^2)= 3.14
2a) $6 off ... you multiply 0.20 by 30, and get 6
2b) $24 ... since discount is $6 off, you subtract $6 from the original price, $30, and get $24
Shouldn’t it be 60? Think about it, six times the foot wide in in the paining plus 10 times the foot width on the wall
Answer:
see attached graph
Step-by-step explanation:
Given equation: 
Standard form of a quadratic equation: 
where 
is the y-intercept
If 
then the parabola opens upwards.
If 
then the parabola opens downwards.
Therefore, the y-intercept of the graph is (0, 3)
To find the x-intercepts, factor the equation:
Therefore, the x-intercepts of the graph are (3, 0) and (1, 0)
To determine the vertex, differentiate the equation:
Set to zero and solve for x:
Substitute 
into the original equation and solve for y:
Therefore, the vertex (or turning point) is at (2, -1)
