Answer:
Calculus is the branch of mathematics studying the rate of change of quantities (which can be interpreted as slopes of curves) and the length, area, and volume of objects. The chain rule is a formula for the derivative of the composition of two functions in terms of their derivatives.
 
        
             
        
        
        
Step-by-step explanation:
The Length , 
L
=
284
f
t
.
 
Explanation:
Given:
Rectangle
Area, 
A
=
8804
f
t
2
 
let W bet he width of the rectangle
 L be the length of the rectangle
L
=
10
W
−
26
 
E
q
u
a
t
i
o
n
1
 
substitute to 
e
q
u
a
t
i
o
n
2
 
A
=
(
L
)
(
W
)
 
e
q
u
a
t
i
o
n
2
 
A
=
(
10
W
−
26
)
(
W
)
 
8804
=
(
10
W
−
26
)
(
W
)
 
factor
8804
=
2
(
5
W
−
13
)
(
W
)
 
divide both sides by 2
4402
=
(
5
W
−
13
)
(
W
)
 
4402
=
5
W
2
−
13
W
 
transposing 4402 to the right side of the equation
0
=
5
W
2
−
13
W
−
4402
 
by quadratic formula
W
=
−
(
−
13
)
+
√
(
−
13
)
2
−
4
(
5
)
(
−
4402
)
2
(
5
)
 
W
=
[
13
+
√
169
+
88040
]
10
 
W
=
13
+
(
√
88209
)
10
 
W
=
13
+
297
10
 
W
=
310
10
 
W
=
31
 ft
Thus , 
L
=
10
W
−
26
=
10
(
31
)
−
26
 
L
=
284
f
t
.
 answer
W
=
−
(
−
13
)
−
√
−
(
−
13
2
)
−
4
(
5
)
(
−
4402
)
2
(
5
)
 
this is discarded since this will yield a negative 
 
        
             
        
        
        
1/4 + 2/9 = 17/36
Hope this helps you 
Brainliest would be appreciated!
-AaronWiseIsBae 
 
        
                    
             
        
        
        
The total number of 3 digit even numbers is 450
Step-by-step explanation:
Step 1 :
We need to determine the  number of 3 digit numbers which is even and the leftmost digit is not zero .
The  3 digits with left most digit not equal to zero starts from 100 and goes up to 998 
If we consider only the even 3 digit numbers in this interval, this would form an arithmetic progression with the first number a = 100 and the common difference d = 2.
Step 2:
The last number l  in this series is 998 .
So we have 
a = 100
l = 998
d = 2
The nth term in the arithmetic progression is given by a + (n-1) d
so substituting the above values we get
100 + (n-1) 2 = 998
2n = 900  => n = 450
Step 3 :
Answer :
The total number of 3 digit even numbers is 450
 
 
        
             
        
        
        
None because it is impossible for any triangle to have more than one obtuse angle.