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rjkz [21]
3 years ago
6

Find the distance between ( 9,18) and (21,18) in coordinate grid

Mathematics
2 answers:
Stolb23 [73]3 years ago
8 0

Answer:

12

Step-by-step explanation:

Use the formula

\sqrt{(x^2-x^1)^2 +(y^2-y^1)^2

<u>Input the numbers</u>

21 - 9 = 12

12^2 = 144

18 - 18 = 0

0 ^ 2 = 0

\sqrt{144} = 12

grandymaker [24]3 years ago
5 0
| 9 - 21 |

| -12 |

The distance between (9,18) and (21,18) is 12.

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LenaWriter [7]

Answer:

x=-5

Step-by-step explanation:

Set up the rational expression with the same denominator over the entire equation.

2x-2/6=3x+3/6

Since the expression on each side of the equation has the same denominator, the numerators must be equal.

2x−2=3x+3

Move all terms containing x to the left side of the equation.

−x−2=3

Move all terms not containing x to the right side of the equation.

-x=5

Multiply each term in x=−5 by −1

x=−5

7 0
3 years ago
In a right triangle ABC, CD is the angle bisector of the right angle C. Two lines DF and DE are parallel to the legs of the tria
Tcecarenko [31]
<span>m∠CED = 180° − m∠DEB= 90 degrees, by reason corresponding angles of parallel lines are congruent
</span>m∠CFD = 180° − m∠AFD = 90 degrees by reason corresponding angles of parallel lines are congruent
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4 years ago
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mars1129 [50]

Answer: 6

Step-by-step explanation:

5 0
2 years ago
Find the area the figure is not drawn to scale 6.9 cm 4 cm
Grace [21]
Please check attached file to see if you mean the same triangle. 

Basically, to find the area of a triangle, you are going to use the formula :
 A = b × h        where b is base, h is height.
          2

others also use the formula: <span> Area=1/2(bxh)</span>

Based on the figure, we have 6.9 cm (base) and 4 cm (height) as given.
Let us work out on the area of the said triangle.
A= <u>6.9cm × 4cm</u>
             2

  = <u>27.6cm</u>²<u>
</u>       2
A= 13.8 cm²


Hope this helps!
   

4 0
4 years ago
Pls help thank you :)
grigory [225]

Answer:

points= (0,4) (1,-4) (-1,4) and make the line

Step-by-step explanation:

i just know

3 0
3 years ago
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