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svp [43]
2 years ago
12

11 x 4.5 help asap!!!

Mathematics
2 answers:
8_murik_8 [283]2 years ago
7 0
The answer to this question = 49.5
FromTheMoon [43]2 years ago
5 0

Answer:

49.5

Step-by-step explanation:

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If two triangles are have three pairs of congruent, then the triangles are guaranteed to be congruent true or false
NNADVOKAT [17]

Answer:

I do not know what is congruent here, but if it is the sides that are congruent then that statement is true, but if the angles are equal then that statement is false.


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3 years ago
Which of the following would best be solved using factoring the difference of squares? 2² + 3x - 10 = 0 O 3r² + 12x = 8 2³ +52²
IgorC [24]

Given: Different equations

To Determine: Which would be best solved using difference of two squares

Solution

The factorization of a difference of two squares is given below

a^2-b^2=(a-b)(a+b)

Let us examine each of the given equation

\begin{gathered} x^2+3x-10=0 \\ x^2-2x+5x-10=0 \\ x(x-2)+5(x-2)=0 \\ (x-2)(x+5)=0 \end{gathered}\begin{gathered} 3x^2+12x=8 \\ 3x^2+12x-8=0 \end{gathered}\begin{gathered} x^3+5x^2-9x-45=0 \\ x^2(x+5)-9(x+5)=0 \\ (x+5)(x^2-9)=0 \\ x^2-9=x^2-3^2=(x+3)(x-3) \\ Therefore \\ (x+5)(x+3)(x-3)=0 \end{gathered}\begin{gathered} x^2-25=0 \\ x^2-5^2=0 \\ (x+5)(x-5)=0 \end{gathered}

From the above,

\begin{gathered} x^3+5x^2-9x-45=0 \\ AND \\ x^2-25=0 \end{gathered}

The two equation above can be solved by difference of two square, but the equation below is the easiest solved using differnce of two square

x² - 25 = 0

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1 year ago
What is the diameter and radius also the area
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