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antoniya [11.8K]
2 years ago
8

What is 1+1-1 plssssssssssssssssssssssssssssssss its a test and its impossible to solve

Mathematics
1 answer:
ElenaW [278]2 years ago
4 0

Answer:

sorry this took 30mins

Step-by-step explanation:

1+1-1=1

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All zeros of polynomial function 3x^4 +14x^2 -5
Marizza181 [45]

Answer:

Correct answer:  x₁ = 1 / √3 = √3 / 3  or  x₂ = - 1 / √3 = - √3 / 3

Step-by-step explanation:

Given:

3 x⁴ + 14 x² - 5 = 0   biquadratic equation

this equation is solved by a shift  x² = t and get:

3 t² + 14 t - 5 = 0

t₁₂ = (-14 ± √14² - 4 · 3 · 5) / 2 · 3 = (-14 ± √196 + 60) / 6

t₁₂ = (-14 ± √256) / 6 = (-14 ± 16) / 6

t₁ = -5   or  t₂ = 1 / 3

the solution t₁ = -5 is not accepted because it cannot be x² = -5

we accepted  t₂ = 1 / 3

x² =  1 / 3  ⇒  

x₁ = 1 / √3 = √3 / 3  or  x₂ = - 1 / √3 = - √3 / 3

God is with you!!!

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3 years ago
Find the volumeof eachfigure, round to th nearest hundredth I'd necessary
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Determine the base of right triangle by using pythagoras theorem.

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Determine the volume of the figure.

\begin{gathered} V=A\cdot6.2 \\ =56.1\cdot6.2 \\ =347.82 \end{gathered}

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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