The question is Mrs.Elliot's room area (including the storage area)= ???

Mathematics

1 answer:

kirill115 [55]2 years ago

5 0

I think the total area of both is 3,864

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The length of a rectangle is 3 times its width. If the perimeter is 48 what is its area?

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Find the equation of the axis of symmetry for the parabola y = x² + 4x + 5. Simplify any numbers and write them as proper fracti

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the equation's squared variable is the "x", namely x², so we're looking at a vertical parabola, and thus its axis of symmetry will be a vertical line that runs through its vertex, so

$\textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+4}x\stackrel{\stackrel{c}{\downarrow }}{+5} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right)$

$\left(-\cfrac{ 4}{2(1)}~~~~ ,~~~~ 5-\cfrac{ (4)^2}{4(1)}\right) \implies \left( - \cfrac{ 4 }{ 2 }~~,~~5 - \cfrac{ 16 }{ 4 } \right)\implies (\stackrel{x}{-2}~~,~~1) \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \stackrel{\textit{axis of symmetry}}{x=-2}~\hfill$

Check the picture below.

5 0

1 year ago

NOT SURE NEED HELP PLEASE

DedPeter [7]

The formula is 1/2 x ( a + b ) x h
A and b are the top and bottom sides and h is always the perpendicular height.

Now replace the variables...
1/2 x (6 + 14 ) x 8.4

And then...

1/2 x 20 x 8.4 which will give you 84cm^2

Hope this helps! Anymore questions let me know :)

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2 years ago

An object is moving at 50 feet per second. A car is trying to keep pace with the object. Which Statements are true?

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Answer:

what are the statements?

Step-by-step explanation:

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2 years ago

Plz help me with number 4

timama [110]

I pretty sure the answer is 16.

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2 years ago