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1 year ago

Is ac perpidicular to xz? explain

1 answer:

5 0

AC is not perpendicular to XZ, because the slope of AC is -1 and the slope of XZ is 2/3. Hence, the correct answer options are:

B. Is not

A. -1

<h3>How to calculate the slope of any straight line?</h3>

Mathematically, the slope of any straight line can be calculated by using this formula;

Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope, m = (y₂ - y₁)/(x₂ - x₁)

For the slope of AC, we have:

Point at A = (-1, 3)

Point at C = (4, -2)

Slope, m of AC = (-2 - 3)/(4 - (-1))

Slope, m of AC = (-2 - 3)/(4 + 1)

Slope, m of AC = -5/5.

Slope, m of AC = -1.

For the slope of XZ, we have:

Point at X = (12, 2)

Point at Z = (6, -2)

Slope, m of XZ = (-2 - 2)/(6 - 12)

Slope, m of XZ = -4/-6.

Slope, m of XZ = 2/3.

In Mathematics, a condition that must be met for two lines to be perpendicular is given by this mathematical expression:

m₁ × m₂ = -1

-1 × 2/3 = -1

-2/3 = -1 (False).

Read more on slope here: brainly.com/question/3493733

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<u>Complete Question:</u>

Look at the picture. Then choose the correct option from each drop-down menu.

AC choose..

A. Is

B. Is not

perpendicular to XZ, because the slope of AC is Choose...

A. -1

B. -2

C. 2

D. 1

and the slope of XZ is 2/3

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Which expression is equal to 5/(sqrt)11?

horrorfan [7]

Answer:

Option A is correct

the expression is equal to $\frac{5}{ \sqrt{11}}$ is $\frac{5\sqrt{11}} {11}$

Explanation:

Given expression is, $\frac{5}{ \sqrt{11}}$

Multiply and divide by the denominator by $\sqrt{11}$ in the given expression, we have,

$\frac{5}{\sqrt{11}} \times \frac{\sqrt{11}} { \sqrt{11}}$

$\frac{5 \cdot \sqrt{11}} {\sqrt{11} \cdot \sqrt{11}}$

use : $\sqrt{a}\cdot\sqrt{a}=(\sqrt{a} )^2 = a$

then;

$\frac{5\sqrt{11}} { (\sqrt{11})^2} =\frac{5\sqrt{11}} {11}$

Therefore, the expression is equal to $\frac{5}{ \sqrt{11}}$ is, $\frac{5\sqrt{11}} {11}$

8 0

3 years ago

Read 2 more answers

Since he's made of metal, Moby weighs a lot. In fact, Tim's weight is only 4 percent of Moby's weight. If Tim weighs 50 kg, how

Ivanshal [37]

Answer:

Moby weighs 1250Kgs

Step-by-step explanation:

Tim is 4% of Moby so

T =4%m

if T is for Tim and Tim weighs 50kgs then

50=4%m

100/4=25

25*50=1250

M = 1250Kgs

8 0

3 years ago

Answer this please tell me if I’m correct

jek_recluse [69]

Yes you are correct, :)

6 0

2 years ago

What is the 28% tax on a 600,00 cash prize?

konstantin123 [22]

•❋Let's start with the first step: Converting 28% into a decimal.
To do this you can multiply it by 100 which gives us .28.
Now we have $600.000 in cash and we need to then multiply it by .28.
.28*600=168.
Now we are going to subtract what we just got by the original amount $600.000
(we can also say that it is $600)
So $600-$168=$432
Now we have out answer
28% tax on a $600.000 cash prize = $432
•❋Hope this helps•❋

6 0

3 years ago

Find 4 geometric means between -5 and -125.

balandron [24]

The geometric means between -5 and -125 is; 25

<h3>How to find the geometric mean?</h3>

To find the geometric mean between two numbers, we simply find the square root of the product of the two numbers.

For example, geometric mean between A and B is;

G.M = √(A * B)

Thus, geometric mean between -5 and -125 is;

G.M = √(-5 * -125)

G.M = √625

G.M = 25

There could be other geometric means between this like;

G.M = √(-5 * -45) = 15

Or GM = √(-10 * -40) = 20

Read more about geometric mean at; brainly.com/question/17266157

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8 0

2 years ago