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3 years ago

Please help me so I can start packing my stuff for vacation

Mathematics

1 answer:

KengaRu [80]3 years ago

7 0

I'll guess P is the perimeter, the sum of the edge lengths.

In centimeters

I get 4 + 4 + 4 + 4 for the sides of the isoscles triangles

5 + 5 + 2.8 + 2.8 for the rectangular base

5 for the apex/top

P = 4+4+4+4+5+5+2.8+2.8+5=36.6 cm

Not sure why the exact answer isn't there, but first choice seem best.

Get packing.

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vlabodo [156]

Answer:

The equation of the line is: y = x + 4

Step-by-step explanation:

When we are given two points passing through a line, we can find the equation of the line by using two - point form.

Two - point form: $\frac{\textbf{y - y}_\textbf{1}}{\textbf{y}_{\textbf{2}} \textbf{-} \textbf{y}_{\textbf{1}}} = \frac{{\textbf{x - x}_\textbf{1}}}{\textbf{x}_{\textbf{2}} \textbf{-} \textbf{x}_{\textbf{1}} }$

where $(x_1, y_1) \hspace{3mm} \& \hspace{3mm} (x_2, y_2)$ are the points passing through the line.

Here, let us take two points (can be any two):

$(x _1, y_1) = (1, 5)$ and

$(x_2, y_2) = (5, 9)$

Therefore, we have:

$\frac{y - 5}{9 - 5} = \frac{x - 1}{5 - 1}$

$\iff \frac{y - 5}{4} = \frac{x - 1}{4}$

$\iff y - 5 = x - 1$

$\implies y = x - 1 + 5$

$\implies y = \textbf{x + 4}$ which is the required answer.

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Step-by-step explanation:

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