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Andru [333]
3 years ago
11

Is 0.81 the same as 0.081

Mathematics
2 answers:
Marina CMI [18]3 years ago
7 0
No it is not. One is in hundreths and the other thousandths 
Step2247 [10]3 years ago
6 0
0.81 is not the same as 0.081
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The least common multiple of 24 and 36 is 72
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2 1/9÷2/3 PLS HELP 20 point also all my question usually have 20 - 40 ponts
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Step-by-step explanation:

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What is the completely factored form of x4y – 4x2y – 5y? y(x2 – 5)(x2 1) y(x2 5)(x2 – 1) (x2y – 5)(x2 1) (x2y 5)(x2 – 1)
Gala2k [10]

Answer:

y (x² + 1) (x² - 5)

Step-by-step explanation:

<h3>Factorization:</h3>

   Take 'y' from each term.

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Now factorize x⁴ - 4x² - 5.

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When we add (-5) + 1, it gives (-4) and when we multiply (-5)*1, gives (-5).

x⁴ - 4x² - 5 = x⁴ + x² - 5x² - 5

                 = x²(x² + 1)  -5(x² + 1)

                 = (x²+ 1) (x² - 5)

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7 0
2 years ago
What is the value of x?​
adell [148]

again, we're assuming that both triangles are similar, and thus using proportions.

\stackrel{\textit{assuming the triangles are similar}}{\cfrac{x+1}{27}=\cfrac{5}{x-5}\implies x^2+x-5x-5=135}\implies x^2-4x-5=135 \\\\\\ x^2-4x-140=0\implies (x-14)(x+10)=0\implies x = \begin{cases} 14~\textit{\large \checkmark}\\ -10 \end{cases}

we do not use the -10, because whatever value "x" may be, can't be negative or even 0.

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2 years ago
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Answer:

(2,8)

Step-by-step explanation:

When you reflect over the y-axis, you change the x to the opposite sign

y reflection → (-x,y)

8 0
4 years ago
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