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3 years ago

The diagonals of a rhombus are 6 inches and 8 inches. What is the perimeter of the rhombus?

Mathematics

2 answers:

loris [4]3 years ago

4 0

The perimeter of the rhombus is 28 inches.

DENIUS [597]3 years ago

3 0

Recall that a rhombus has all equal sides, and that its diagonals cut each other in half, thus check the picture below.

the perimeter will then be c + c + c + c.

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The midpoint of AB is M(-3, 0). If the coordinates of A are (1,-4), what are the coordinates of B?

zimovet [89]

Using the given information, the coordinates of B are (-7, 4)

<h3>Midpoint of a Line </h3>

From the question, we are to determine the coordinates of B.

Given a line with endpoints (x₁, y₁) and (x₂, y₂), then the midpoint of the line is

((x₁+x₂)/2, (y₁+y₂)/2)

From the given information,

The midpoint of AB is M(-3, 0)

and

The coordinates of A are (1,-4)

Let the coordinates of B be (x₁, y₁)

Then,

-3 = (1 + x₁)/2

-6 = 1 + x₁

x₁ = -6 -1

x₁ = -7

Also,

0 = (-4 + y₁)/2

0 = -4 + y₁

y₁ = 0 + 4

y₁ = 4

Hence, the coordinates of B are (-7, 4)

Learn more on Midpoint of a line here: brainly.com/question/18315903

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7 0

2 years ago

The linear equation y = mx + b contains the point (4, -2) and is perpendicular to the

xenn [34]

A linear equation is represented as: $y = mx + b$ .

The equation of the line is: $y =3x - 14$

First, we calculate the slope (m) of $6x + 18y = 11$

Make y the subject

$18y = -6x + 11$

Divide by 18

$y = -\frac{1}{3}x + \frac{11}{18}$

In $y = mx + b$

$m \to$ slope

So, the slope of $y = -\frac{1}{3}x + \frac{11}{18}$ is:

$m = -\frac 13$

Since, the line is perpendicular to $6x + 18y = 11$

The slope of the line is:

$m_1 = -\frac{1}{m}$

So, we have:

$m_1 = -\frac{1}{-1/3}$

$m_1 = 3$

The line passes through (4,-2).

So, the equation is:

$y =m(x - x_1) + y_1$

This gives:

$y =3(x - 4) -2$

$y =3x - 12 -2$

$y =3x - 14$

Hence, the linear equation is:

$y =3x - 14$

Read more about at:

brainly.com/question/11897796

7 0

3 years ago

14=4x-6<br><img src="https://tex.z-dn.net/?f=14%20%3D%204x%20-%206" id="TexFormula1" title="14 = 4x - 6" alt="14 = 4x - 6" align

Alex17521 [72]

Answer:

14=4x - 6

14+6=4x

20=4x

x=5

5 0

3 years ago

I need help with this question.

ahrayia [7]

Answer:

Step-by-step explanation:

We know that all the angles must add up to 180

so we have

38+2b-20+b-15=180

solve for b

3b+3=180

3b=177

b=59

8 0

3 years ago

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A motorboat takes 3 hours to take a 60 mile trip downstream. It takes 5 hours to make the same trip upstream. Let x represent th

Leni [432]

THE RATE OF THE BOAT BELOW IS 5: 100

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3 years ago