Answer:
5)7:8=180
84:96=180
6)4:5=90
40:50=90
7)a). q=135
p=45
b).a=70
b=110
supplementary angle=sum of two angle 180°
complementary angle=sum of two angle 90°
The greater density to measure by having a mass of 2cm or 3cm
Answer:
Mean age = 1271.27
Step-by-step explanation:
No of children = 77
The age at which children first began to combine words = 16.51 months
Mean age = No of children × age at which children first began to combine words
= 77 × 16.51
= 1271.27
Mean age = 1271.27
Answer:
The value of n is 30.25.
Step-by-step explanation:
The given expression is
....(1)
The perfect square trinomial are defined as
.....(2)
On comparing (1) and (2), we get
The given expression is perfect square trinomial if
Therefore the value of n is 30.25.
