<span>. A model is made of a car. The car is 9 feet long and the model is 6 inches long. Now, 1 feet = 12 inches. the car length is 9*12 = 108 inches. Then, the ratio of the length of the car to the length of the model is 108/6 = 18:1.</span>
Answer:
6450
Step-by-step explanation:
Answer:
of
x
x
and
y
y
.
f
(
x
)
=
x
2
−
10
x
f(x)=x2-10x
Rewrite the equation in vertex form.
Tap for more steps...
y
=
(
x
−
5
)
2
−
25
y=(x-5)2-25
Use the vertex form,
y
=
a
(
x
−
h
)
2
+
k
y=a(x-h)2+k
, to determine the values of
a
a
,
h
h
, and
k
k
.
a
=
1
a=1
h
=
5
h=5
k
=
−
25
k=-25
Find the vertex
(
h
,
k
)
(h,k)
.
(
5
,
−
25
)
(5,-25)
Answer:
C (x = 2)
Step-by-step explanation:
Since x is a non-negative number, A and B are eliminated.
This leaves C and D.
C: x = 2,
2 + 3 < 2^2
5 < 4 is false.
So C would be a counterexample.
Hope this helps!