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3 years ago

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Mathematics

1 answer:

Viefleur [7K]3 years ago

7 0

ill help but where is the clock?

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Hi everyone,can someone help me find what -1+(-3)?

Murrr4er [49]

Answer: -4 is the answer

Step-by-step explanation: google caculator

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3 years ago

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Slope = 5, through (3,13)

rusak2 [61]

Answer:

y=5x-2

Step-by-step explanation:

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3 years ago

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Find the perimeter of a rectangle <br> L= 2x^2+3x+1<br> W= x+3

ahrayia [7]

Answer:

The perimeter of the rectangle is $P(x) = (4x^{2} + 8x + 8)$

Step-by-step explanation:

Length of the rectangle = $2x^{2} +3x + 1$

Width of the rectangle = x + 3

The Perimeter of the Rectangle = 2 (Length + Width)

So, here the perimeter = $2((2x^{2} + 3x +1 )+(x+3)) = 2 (2x^{2} + 3x + 1 + x +3)\\= 2(2x^{2} + 4x+4) = 4x^{2} + 8x + 8$

Hence,the perimeter of the rectangle is $P(x) = (4x^{2} + 8x + 8)$

7 0

4 years ago

In Exercises 5-8, find the perimeter and area of the polygon with the given vertices.

castortr0y [4]

Check the picture below.

as we can see in the picture, the lengths for YZ and ZX are very straight, let's get the side YX

$~~~~~~~~~~~~\textit{distance between 2 points} \\\\ Y(\stackrel{x_1}{0}~,~\stackrel{y_1}{-2})\qquad X(\stackrel{x_2}{2}~,~\stackrel{y_2}{4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ YX=\sqrt{[2 - 0]^2 + [4 - (-2)]^2}\implies YX=\sqrt{2^2+(4+2)^2} \\\\\\ YX=\sqrt{4+6^2}\implies YX=\sqrt{40} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{\Large Perimeter}}{2~~+~~6~~+~~\sqrt{40}~~\approx~~14.32} ~\hfill \stackrel{\textit{\Large Area}}{\cfrac{1}{2}(2)(6)\implies 6}$

4 0

3 years ago

∠WXY and ∠ZXY are adjacent angles. What equation must always be TRUE? m∠WXY=m∠ZXY

Hitman42 [59]

Answer:

m∠WXY+m∠ZXY=m∠WXZ

Step-by-step explanation:

You don't know the angles to be congruent (equal measures), complementary (measures add to 90 deg), or supplementary (measures add to 180 deg); all you know is that they are adjacent, so the sum of the measures of the two smaller angles equals the measure of the larger outer angle.

Answer: m∠WXY+m∠ZXY=m∠WXZ

3 0

3 years ago