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Sonbull [250]
3 years ago
9

Multiply n by 5 then add 4

Mathematics
1 answer:
Svetlanka [38]3 years ago
3 0
5n+4=0
5n= -4
n= -4/5

5x(-4/5)+4=0
1x-4 + 4=0
-4 + 4 = 0
0=0

hope this helps
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An equilateral triangle has a perimeter of 60m and a height of 17.3m. what is its area?
Simora [160]

The area of any triangle is            (1/2) x (length of the base) x (height) .

In this problem, we know the triangle's height,
but what is the length of the base ?

The base is the side that the triangle is sitting on.  This particular triangle
is an equilateral one, and its perimeter is 60m.  So each side must be 20m. 
No matter which side the triangle is sitting on, the length of the base is 20m.

           Area = (1/2) x (base) x (height)

           Area = (1/2) x (20m) x (17.3m) =  <em>173 m²</em>


3 0
4 years ago
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In which quadrant is point F located?<br> III<br><br> I<br><br> II<br><br> IV
Tanzania [10]

Answer:

quadrant III

Step-by-step explanation:

6 0
3 years ago
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Can you please help me
SashulF [63]

9514 1404 393

Answer:

  (x, y, z) = (90, 75, 105)

Step-by-step explanation:

In a parallelogram, adjacent angles are supplementary, and opposite angles are congruent.

  (x -15) +(x +15) = 180

  2x = 180

  x = 90

Angles y and (x-15) are opposites, so ...

  y = x -15 = 90 -15 = 75

Similarly, for z ...

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The values of x, y, and z are 90, 75, and 105, respectively.

6 0
3 years ago
Best explained and correct answer gets brainliest!
mezya [45]
The answer is B because C and D are not true. Angle-Angle theorem does not prove congruency. Hypotenuse-Leg does because having a hypotenuse means that the triangle is a right angle triangle, which means that 2 sides and an angle are congruent in the triangles. By Side-Side-Angle Theorem, the triangles are congruent.
3 0
3 years ago
HELPPP!!!! 50 points​
lions [1.4K]

Answer:

5. 26

6. 11

7. 5, 3, 9, 5 (left to right)

Step-by-step explanation:

5. Plug in the numbers

6. 2x+9=31, 2x=22, x=11

7. Plug numbers in

Hope this helps and please give me Brainliest!

6 0
3 years ago
Read 2 more answers
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