Answer:
thats all i know
Step-by-step explanation:
1.5+8
2.3×4
-4 + -7= -11
When adding negative numbers if the are both negative then you add them. When you have a negative and a positive you subtract. In this problem they just took out the plus sign.
Answer:
45 i think i dont know
Step-by-step explanation:
m
∠
2
=
x
holds true.
Complementary angles have a sum of
90
˚
. Thus, if
∠
1
and
∠
2
are complementary,
m
∠
1
+
m
∠
2
=
90
Substitute the equivalent forms of these angle measurements
(
x
,
x
)
.
x
+
x
=
90
Solve algebraically.
2
x
=
90
x
=
45
Each angle is
45
˚
.
Answer:
Step-by-step explanation:
r = Radius
h = Height
Volume of cylinder =
Surface area is given by
Differentiating with respect to radius we get
Equating with zero we get
So, the value of the function is minimum at
So, the radius and height which would minimize the surface area is 1.05 feet and 2.12 feet respectively.
Surface area
The minimum surface area is .