WILL GIVE BRAINLIEST. Need an answer ASAP! The diagonals of a rectangle ABCD intersect at E. AE = x+4 and CE = 3x-12. Find BE

Answers

Answer 1

Answer:

Answer:

$BE=12 units$

Step-by-step explanation:

$We\ know\ that,\nIn\ a\ rectangle\ all\ diagonals\ are\ equal\ and\ bisect\ each\ other.\nHence,\nIn\ Rectangle\ ABCD,\nAE=EC\nHence,\nSubstituting\ the\ values\ we\ get:\nx+4=3x-12\nHence,\n-2x=-16\nx=(-16)/(-2)=8\nNow,\nWe\ also\ know\ that,\n AC=DB\nHence,\n(AC)/(2)=(DB)/(2) \nHence,\nDE=EB=AE=EC\nHence,\nSince\ AE=BE,\nBE=x+4\nWe\ already\ know\ that\ x=8.\nHence, BE=8+4=12$

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write the equation if the line in slope- intercept form that passes through (7,-4) with a slope of -1.

Answers

9514 1404 393

Answer:

y = -x +3

Step-by-step explanation:

The point-slope form can be a useful place to start.

y -k = m(x -h) . . . . . line with slope m through point (h, k)

You require the line ...

y -(-4) = -1(x -7)

y = -x +7 -4 . . . . . . . . eliminate parentheses, add -4

y = -x +3 . . . . . . . . . slope-intercept form

Which quadrilaterals have perpendicular diagonals. A) Rhombus, Rectangle and Kite B) Rectangle, Square and Isosceles Trapezoid C) Square, Rhombus and Kite D) Isosceles Trapezoid, Rhombus and Square

Answers

Answer:

C) Square, Rhombus and Kite

Step-by-step explanation:

These are due to the fact that the square has all its equal sides and is 4 sides, so its diagonals will always be perpendicular.

The rhombus also has all its equal sides and are 4 sides so its diagonals will always be perpendicular.

The kite does not have its four equal sides, but its vertices are constructed from its diagonals that cross perpendicularly, so it also meets the perpendicular diagonals

The quadrilaterals have perpendicular diagonals are:

C) Square, Rhombus and Kite.

Here, we have,

These are due to the fact that the square has all its equal sides and is 4 sides, so its diagonals will always be perpendicular.

The rhombus also has all its equal sides and are 4 sides so its diagonals will always be perpendicular.

The kite does not have its four equal sides, but its vertices are constructed from its diagonals that cross perpendicularly, so it also meets the perpendicular diagonals.

Diagonals are the part of a shape, in geometry.

In Mathematics , a diagonal is a line that connects two vertices of a polygon or a solid, whose vertices are not on the same edge. in general, a diagonal is defined as a sloping line or the slant line , that connects to the vertices of a shape. diagonals are defined as lateral shapes that have sides/ edges and corners.

Kite

Rhombus

Square

Hence, The quadrilaterals have perpendicular diagonals are:

C) Square, Rhombus and Kite.

To know more about diagonals

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Find the length of the third side. If necessary, write in simplest radical form.
√51
10

Answers

Answer:

Step-by-step explanation:

10² - root 51² = a²

100 - 51 = a²

49 = a²

a = 7

Solve each equation by taking square roots

9r^2 +3=-204

Answers

9r² + 3 = -204 |subtract 3 from both sides

9r² = -207 |divide both sides by 9

r² = -23 < 0 NO REAL SOLUTIONS

COMPLEX SOLUTION:

r² = -23 ⇔ r = √(-23) = i√23

Find the volume of of each cylinder
h=1.5cm
r=11cm

Answers

Answer:

570.2

Step-by-step explanation:

pi(11^2)1.5=570.2

Answer:

V≈570.2cm³

Step-by-step explanation:

Jason takes 2 centiliters of medicine how many milliliters.is this

Answers

2 centiliters = 2 * 10 milliliters = 20 milliliters.

1 centiliter = 1 * 10 milliliter = 10 milliliter

always when moving from centiliters to milliliters, you multiply by 10.

so he took 20 milliliters.

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