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Arada [10]
3 years ago
8

Find the distance between the points E(3,7) and F(6,5)

Mathematics
1 answer:
Vesna [10]3 years ago
4 0

Answer:

<h3>\boxed{ \bold{  \huge{ \boxed{ \sf{ \sqrt{13}  \:  \: units}}}}}</h3>

Step-by-step explanation:

Solution,

E ( 3 , 7 ) ⇒ ( x₁ , y₁ )

F ( 6 , 5 ) ⇒( x₂ , y₂ )

<u>Finding </u><u>the </u><u>distance </u><u>between </u><u>these</u><u> </u><u>points</u><u>:</u>

\boxed{ \sf{distance =  \sqrt{ {(x2 - x1)}^{2}  +  {(y2 - y1)}^{2} } }}

plug the values

⇒\sf{ \sqrt{ {(6 - 3)}^{2} +  {(5 - 7)}^{2}  } }

Calculate the sum or difference

⇒\sf{ \sqrt{ {3}^{2} +  {( - 2)}^{2}  } }

Evaluate the power

⇒\sf{ \sqrt{9 + 4} }

Add the numbers

⇒\sf{ \sqrt{13} } units

Hope I helped !

Best regards!!!

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alex41 [277]

the correct answer should be (b) 6 is extraneous.

If you look at the second row of the solution you see (x-6) as a factor in one of the denominators. That's a problem: if 6 were a solution this denominator would become 0. But denominators being 0 is bad (undefined), so while 6 comes out of the algebraic manipulation as a solution, it is invalid, or extraneous.

-3 is a fine solution.

6 0
3 years ago
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Classify triangle ABC by its sides if side AB = 6x, side AC = 4x + 6 and side BC = 8x + 3. The perimeter of triangle ABC is 63.
sladkih [1.3K]
6x + 4x+6 + 8x+3 = 63
6x+4x+8x = 63 - 3 - 6
18x = 54
x = 54/18
x = 3

Side AB = 6(3) = 18
Side AC = 4(3)+6 = 18
Side BC = 8(3)+3 = 27
3 0
3 years ago
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Point A is at (-7,5) and point is at (5,-1).
olga55 [171]

Answer:

B = (3, 5)

Step-by-step explanation:

Point A is at (-7,5) and point C is at (5,-1).  Find the coordinates of point B on AC such that AB is 5 times longer than BC.  Then, B split AC in a 5:1 ratio.

rise = yC - yA = -1 - 5 = -6

run = xC - xA = 5 - (-7) = 12

c = 5/(5+1) = 5/6

B = (xA + c*run, yA + c*rise)

B = (-7 + 5/6*12, 5 + 5/6*-6)

B = (3, 5)

8 0
2 years ago
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Need help with this pls
xz_007 [3.2K]

The volume of the square base pyramid is 588 ft³

The Volume of the rectangular prism is 120 ft³

The Volume of a rectangular pyramid is 360 ft³

<h3>What is volume of a shape?</h3>

Volume can be defined as the 3-dimensional space enclosed by a boundary or occupied by an object.

Volume of a square base pyramid = 1 / 3 × B × h

where

B = base area

Therefore,

Volume of a square base pyramid = 1 / 3 × 7² × 12

Volume of a square base pyramid = 1764 / 3 = 588 ft³

Volume of a rectangular prism = lwh

Volume of a rectangular prism =  6 × 5 × 4 = 120 ft³

Volume of a rectangular pyramid = 1 / 3 lwh

Volume of a rectangular pyramid = 1 / 3 × 10 × 12 × 9 = 1080 / 3 = 360 ft³

learn more on volume here: brainly.com/question/1578538

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2 years ago
If Kim reduces the weekly number of hours she works by one-fourth and her current weekly income is $520.00, what is her new week
Dimas [21]

Answer:

$390    you divide 520 by 4 so 520/4=130   now we subtract 130 from 520, 520-130=390

Step-by-step explanation:

8 0
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