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rusak2 [61]
3 years ago
14

Find the midpoint of the segment with the given endpoints. (3,- 9) and (4, -8)

Mathematics
1 answer:
frez [133]3 years ago
3 0
  • (3,-9)
  • (4,-8)

\boxed{\sf (x,y)=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)}

\\ \sf\longmapsto \left(\dfrac{3+4}{2},\dfrac{-9+8}{2}\right)

\\ \sf\longmapsto \left(\dfrac{7}{2},\dfrac{-1}{2}\right)

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A biking track has a length of 0.8 miles mi. How long is this in feet ft?
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Answer:

4224

Step-by-step explanation:

.8 mile = 4224 feet

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3 years ago
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From a point T on a horizontal ground, the angle of
grin007 [14]

Answer:

distance TS ≈ 19 m (nearest meter)

Step-by-step explanation:

The point T is on the horizontal ground and the angle of elevation of the top R of a tower is 63° and the height of the tower is 38 m high. The illustration forms  a right angle triangle. The height RS of the tower is the opposite side of the triangle formed. The hypotenuse side of the triangle is the point from the ground T to the top of the tower R.  The adjacent side of the triangle is the side TS.

using tangential ratio

tan 63° = opposite/adjacent

tan 63° = 38/adjacent

cross multiply

adjacent tan 63° = 38

divide both sides by tan 63°

adjacent side = 38/tan 63°

adjacent side = 38/1.96261050551

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distance TS ≈ 19 m (nearest meter)

6 0
3 years ago
Which expression has a negative value?<br> 2+12<br> (-3)(-8)<br> 10-(-18)<br> -35-5
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-35-5

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Quadrilateral with vertices at A(2,2), B(1,5) C(5,3), D(4,6)
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I have attached an image explaining how to solve this problem.
(“m” means slope)

6 0
3 years ago
put the fraction in least to greatest denomenator then put them in order please help me 1/2 3/4 1/5 7/10 please help me
DiKsa [7]

Working with fractions, you'll need to find the least common denominator (LCD). In this case, the LCD is 20.


Rewriting the four given numbers to the LCD, you would get:

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Now, you just organize it from least to greatest as:

4/20 < 10/20 < 14/20 < 15/20.


In other words, it is:

1/5 < 1/2 < 7/10 < 3/4.


3 0
3 years ago
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