Answer:
The second
Step-by-step explanation:
is the correct equation
Answer:
x=72°
Step-by-step explanation:
given,
DEF=216°
DF =360-216
the value of x=144/2( inscribed angle is half of its arc)
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The answer to the problem is 44 in^2.
Answer:
a(6) = 2 
, b(10) = 15 
Step-by-step explanation:
A. a(x) = 
a(6) = 
a(6) = 
a(6) = 
a(6) = 2
B. b(x) = 3 
b(10) = 3 
b(10) = 3 
b(10) = 3 
b(10) = 3 x 5
b(10) = 15
Answer:
Q1 m² +10m+ 21
Q2
a) 3 (2 +3x)
b) (y+4) (y-4)
c) (2p-5) (p+2)
Step-by-step explanation:
Q1. expand and simplify (m+7)(m+3)
solution
(m+7)(m+3)
m² + 7m+ 3m + 21
m² +10m+ 21
Q2 Factorize
a) 6 +9x
Answer
Taking 3 common
3 (2 +3x)
b) y² -16
answer
y² -4 as formula a² –b² = (a+b)(a-b)
(y+4) (y-4)
c) 2p² –p-10
So according to quadratic equation
a=2 b=-1 c=-10 a x c =-20 b=-1
we need two number whose product is -20 and sum is -1
-5 x 4 = -20 -5 +4 = -1
2p² –p-10 = 2p² + 4p-5p-10
=2p (p +2) -5 (p+2)
= (2p-5) (p+2)
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