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2 answers:
Answer:
a) (x+2)^2-2
Step-by-step explanation:
write in form of x^2+2ax+a^2
2a=4
a=2
so
x^2+4x+2^2
we will now convert into the form:
x^2+2ax+a^2=(x+a)^2
substitute the values:
x^2+4x+2^2=(x+2)^2
(x+2)^2-2+2^2
(x+2)^2-2
Answer: (x + 2)2 − 2
Step-by-step explanation:
use the formula 
in order to create a new term and complete the square.
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Answer:
0.00144
Step-by-step explanation:
(13/1)(4/3)(12/1)(4/2)/(52/5)=(13)(4)(12)(6)/2598960=3744/2598960≈0.00144
Answer:
I will answer when you explain what you mean by sample space.
Step-by-step explanation:
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Answer:
B
Step-by-step explanation:
Distributive property is when you distribute the values in a parenthesis with the outside multiplying factor
2*(5+7)= 2*5 + 2*7
2*(12) = 10 +14
24 = 24
distributive property holds true
Answer:
y = 5 − 2x
4x + 2y = 10
(Infinite solutions)
x = 26 − 3y
2x + 6y = 22
(No solution)
5x + 4y = 6
10x − 2y = 7
(Single solution)
x + 2y = 3
4x + 8y = 15
(No solution)
3x + 4y = 17
-6x = 10y − 39
(Single solution)
x + 5y = 24
5x = 12 − y
(Single solution)
