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Vikki [24]
3 years ago
9

Plz help easy math !!

Mathematics
2 answers:
Dima020 [189]3 years ago
7 0

The answer is A B and E

Setler79 [48]3 years ago
7 0

Answer is all of these, A, B, and E.

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OlgaM077 [116]

Answer:

100

Step-by-step explanation:

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The diagram shows a triangle.
Free_Kalibri [48]

Answer:

c=3

Step-by-step explanation:

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3 0
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Step-by-step explanation:

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What number would you add to the equation below to complete the square?x2 + 4x = 0?
julia-pushkina [17]
------------------------------------------------------------------
Equation
------------------------------------------------------------------
x² + 4x = 0

------------------------------------------------------------------
Add a constant
------------------------------------------------------------------
x² + 4x + (4/2)² - (4/2)²  = 0   ← Add 2² to form perfect square

------------------------------------------------------------------
Evaluate bracket
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x² + 4x + 2² - 2² = 0

------------------------------------------------------------------
Form the perfect square
------------------------------------------------------------------
(x + 2)² = 4 

------------------------------------------------------------------
Square root both sides
------------------------------------------------------------------
(x+2) = \pm √4

------------------------------------------------------------------
Evaluate the square root
------------------------------------------------------------------
(x+2) = \pm 2

------------------------------------------------------------------
Solve x 
------------------------------------------------------------------
x = 2 - 2 or x = -2 - 2

x = 0 or -4

------------------------------------------------------------------
Answer: The constant to add is 4 and the value of x = 0 or -4
------------------------------------------------------------------



7 0
3 years ago
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