3 years ago

Consider the steps for solving 3x2 – 42x + 9 = -5 for x by completing the square.

Mathematics

1 answer:

Karolina [17]3 years ago

3 0

The answer to this question will be C

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alekssr [168]

Answer:

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Step-by-step explanation:

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3 years ago

• 3.3 • 5.0 • 6.7 • 8.4 • 10.1 Which one is it?

snow_tiger [21]

Answer: 5.0

Step-by-step explanation:

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3 years ago

Solve using quadratic formula.

svp [43]

Answer:

1. 2/5,-3 2. $x=\frac{-5+-\sqrt{13} }{6}$

Step-by-step explanation:

i used the quadratic formula to find x also please note that 2 has 2 answers bc of the +- beofre the sqrt of 13

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3 years ago

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The area of a circle is less than 1 dm². Find the radius of the circle. The area of a circle is less than 1 dm². Find the rad

Ipatiy [6.2K]

$\bf \textit{area of a circle}\\\\
A=\pi r^2\qquad 
\begin{cases}
\textit{let's say the Area is 1 exactly}\\
A=1
\end{cases}\implies 1=\pi r^2
\\\\\\
\cfrac{1}{\sqrt{\pi }}=r$

if you drop the radius to less than that, then the Area will also drop to less than 1 unit, in this case it happens to be a decimeter

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3 years ago

What is the answer???????????

Vesnalui [34]

A. =4^(-11/3)*4^(2/3)
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=1/64

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3 years ago