Answer:
EASY. x=-3
Step-by-step explanation:
You need to divide 21 by -7. You'll get the same answer as me
Hope this helped!!
9.11 kilometers
18.5 - 0.28 = 18.22
18.22 / 2 = 9.11
15:33 10:22 60:132 are some
Answer:
x ^2+
y^
2
=
25
Step-by-step explanation:
Square both sides:
r
^2
=
5^
2
Substitute x
^2
+
y^
2 for r
^2
:
x
^2+
y
^2
=
5
^2
Insert the center -0 into the x and y terms:
(
x
−
0
)^
2
+
(
y
−
0
)
^2
=
5
^2
This is the standard form for a circle whose center is (
0,
0
) and the radius is 5.