Answer:
48cm
Step-by-step explanation:
take width of rectangle to be=xcm
Length will be 3x
Area of rectangle=length × width
A=3x × x =3x²
3x²=108
x²=108/3=36
x²=36
x=√36=6cm
substitute
lenth=3x=3×6=18
width=x=6cm
perimeter=2l+2w
p=2×18 + 2×6
p=36+12=48cm
Answer:
B
Step-by-step explanation:
2(-4)-1≤-5
-9≤-5
true
-(-4)-1>0
3>0
true
all the other options are false when u solve it
4x-(5-x)=8[4-(8+2x-1)]
answer: x= -19/21
Answer:
From the given ratio for 
we found the values are
Step-by-step explanation:
Given the ratio for
We have to find the rest of trignometric functions:
can be written as
Comparing equations (1) and (2) we get
Equating the coressponding numerator and denominator respectively
Therefore and
We can find 
(since )
We can find 
(since )
To find 
:
Answer:
28 inches squared
Step-by-step explanation:
Area is base (b) times height (h)
A=bh
A= 3.5 x 8
A = 28
