A square is always a parallelogram. True False

Mathematics

2 answers:

agasfer [191]3 years ago

8 0

Answer:

yes,

Step-by-step explanation:

because of them being quadrilaterals

Eddi Din [679]3 years ago

3 0

Yes it is always a parallelogram

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Y=x^2+5×+2 y=×-1 pls

docker41 [41]

Answer:

$x=-1 \ or \ x=-3$

Step-by-step explanation:

$y = x^2 + 5x +2\\y = x-1\\\\$

Equating both equations equal to each other:

$x^2 + 5x+2 = x-1\\x^2+5x+2 -x +1 =0\\x^2 + 4x +3 = 0$

Breaking the middle term:

$x^2 + 4x +3 =0\\x^2 +3x + x +3 =0 \\x(x+3) +1 (x+3) = 0\\(x+1)(x+3)=0\\x+1 =0 \ or \ x+3 =0\\x=-1 \ or \ x=-3$

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3 years ago

An artist wants to frame a square with an area of 400 square inches. She wants to know the length of the wood trim that is neede

gavmur [86]

Multply 400 hudred to the four sides on the lieght

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3 years ago

Convert (-6, -6) from Cartesian coordinates to polar coordinates. Round the length to the nearest 0.01 Express the

Neko [114]

9514 1404 393

Answer:

(8.49; 225°)

Step-by-step explanation:

The angle is a 3rd-quadrant angle. The reference angle will be ...

arctan(-6/-6) = 45°

In the 3rd quadrant, the angle is 45° +180° = 225°.

The magnitude of the vector to the point is its distance from the origin:

√((-6)² +(-6)²) = √(6²·2) = 6√2 ≈ 8.4859 ≈ 8.49

The polar coordinates can be written as (8.49; 225°).

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Additional comment

My preferred form for the polar coordinates is 8.49∠225°. Most authors use some sort of notation with parentheses. If parentheses are used, I prefer a semicolon between the coordinate values so they don't get confused with an (x, y) ordered pair that uses a comma. You need to use the coordinate format that is consistent with your curriculum materials.