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LekaFEV [45]
3 years ago
6

Describe a real world situation that uses the variable x the expression 1/2x when the value of x is not known.

Mathematics
1 answer:
Airida [17]3 years ago
6 0
Um well its quite common when going to the store and something is 50% off
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I will give brainliest to whoever answers first
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Answer:

this is a rubric for an assignment not the work :)

Step-by-step explanation:

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Answer:5x-20y=12

Step-by-step explanation:

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The function f(t)=t^2+12t-18 represents a parabola. Part A: Rewrite the function in vertex form by completing the square. Show y
ale4655 [162]
The function in vertex form is f(t) = (t+6)^{2} -54 (refer to your other post I solved it there).
The general form of quadratic equations in vertex form is f(x) = a(x-h)^{2} +k, where (h, k) is the vertex of the parabola.
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3 years ago
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ad-work [718]

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3 years ago
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Fifteen times the square of a non-zero number is equal to 20 times number.What is the number? Its not 4/3
e-lub [12.9K]
The number is (2√3) / 3

To find the missing number, convert what it says in words to an equation:
15 {x}^{2}  = 20x
Divide both sides by 15:
{x}^{2}  =  \frac{20}{15}   \\  \\  {x}^{2}  =  \frac{4}{3}
Take the square root:
x =  \sqrt{ \frac{4}{3} }  \\  \\ x =  \frac{2}{ \sqrt{3} }  \\  \\ x =  \frac{2 \sqrt{3} }{3}
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3 years ago
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