Answer:
Step-by-step explanation:
we are given
Firstly, we will distribute it
now, we can simplify it
so, we get simplified term as
Answer:
son = 4
mom=36
m = 9s
m + 4 = 5(s+4)
m + 4 = 5s + 20
9s + 4 = 5s + 20
4s = 16
s = 4
m = 36
Step-by-step explanation:
Answer:
Step-by-step explanation:
C=2*3.14*r
we have the diameter d=2*r=8.3m
C=8.3*3.14=26.06 m
Answer:
y = 0.48(x - 0.5)² - 3
y = 0.48(x² - x - 6)
Step-by-step explanation:
From the graph the zeros are
x = {-2, 3}
The x coordinate of the vertex is the midpoint of the roots
x = (-2 + 3) / 2
x = 0.5
The y coordinate of the vertex is
y = -3
vertex = (0.5, -3)
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Merhod I - vertex
Vertex form is
y = a(x - h)² + k
plug in the vertex
y = a(x - 0.5)² - 3
to find a plug in either root
using x = 3
0 = a(3 - 0.5)² - 3
0 = a(2.5)² - 3
0 = 6.25a - 3
3 = 6.25a
a = 3/6.25
a = 0.48
y = 0.48(x - 0.5)² - 3
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Method II - roots
y = a(x + 2)(x - 3)
-3 = a(0.5 + 2)(0.5 - 3)
-3 = a(2.5)(-2.5)
-3 = -6.25a
3/6.25 = a
0.48 = a
y = 0.48(x + 2)(x - 3)
Expand
y = 0.48(x² - x - 6)
Answer: f(x) = -3 if -4 ≤ x ≤ -1
Explanation: The filled in circles mean that solution is possible, so you use the equal to sign.
Hope this helps!
