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Sergeeva-Olga [200]
2 years ago
13

9/2X-6≥9/2(3-2X) AYUDA

Mathematics
1 answer:
marishachu [46]2 years ago
7 0

Answer:

X \geq  \frac{13}{9}

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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Step-by-step explanation:

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3 years ago
David cast a shadow 42" long at the same place and time in Emma cast a shadow 28" long. David is 66" tall. What is Emma's height
Nikolay [14]

ANSWER

Emma is 44" tall

EXPLANATION

We have that David cast a shadow 42 inches long and he is 66 inches tall.

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Since they are at the same spot and time, we can conclude that the ratio of their height to shadow must be the same.

Let Emma's height be x.

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For Emma, it is:

28 : x or 28 / x

That means that:

\begin{gathered} \frac{42}{66}\text{ = }\frac{28}{x} \\ \text{Solve for x by cross-multiplying:} \\ 42\cdot\text{ x = 66 }\cdot\text{ 28} \\ x\text{ = }\frac{66\cdot\text{ 28}}{42} \\ x\text{ = 44 inches} \end{gathered}

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11 months ago
What is the best approximation for the input value when f(x)=g(x)?
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Answer:

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x^{2}=\sqrt{x} \\(x^{2} )^{2}=(\sqrt{x} )^{2}\\x^{4}=x\\x^{4}-x=0\\x(x^{3}-1)=0\\

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So, the input values are  x=0 and x=1.

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3 years ago
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Savatey [412]

Answer:

10 is greater because the square root of 20 is 4.47

Step-by-step explanation:

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