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zmey [24]
3 years ago
5

Calculate the slope of the points (-2, -1) and (3, 4). Show all of your work.

Mathematics
1 answer:
LiRa [457]3 years ago
8 0
Slope formula;

m = y2 - y1/ x2 - x1     (-2, -1), (3, 4)

m = 4 - (-1)/ 3 - (-2)

m = 5/5

m = 1 

the slope is 1.

hope this helps, God bless!
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The slope of the line
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3 years ago
The two men measure the angle of elevation to the highest point on the rock to be 22.6°. They
IgorC [24]

Answer:

  • 15 m

Step-by-step explanation:

<em>Refer to attached picture</em>

  • The height  = h
  • Angles of elevation 22.6° and 38.3°
  • Closer distance  = d

<u>Use tangent to solve</u>

  • tan 22.6° = h/(d + 17) ⇒ h = (d + 17) tan 22.6° ⇒ h = 0.42(d + 17)
  • tan 38.3° = h/d          ⇒ h = d tan 38.3°           ⇒ h = 0.79d

<u>Compare the equations above and find the value of d:</u>

  • 0.42(d + 17) = 0.79d
  • 0.42d + 7.14 = 0.79d
  • 0.79d - 0.42d = 7.14
  • 0.37 d = 7.14
  • d = 7.14/0.37
  • d = 19.3 m

<u>Now find the value of h:</u>

  • h = 0.79d
  • h = 0.79*19.3
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Wave Rock is 15 m tall

3 0
2 years ago
An angle that is supplementary to an angle that measures 42° would measure _____°.
Ede4ka [16]
Supplementary angles add up to 180 degrees. to find one just subtract. 
180- 42= 138
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Anna007 [38]
The graph one is (-2,2)
6 0
2 years ago
Read 2 more answers
Which best explains why 5 x 4 is greater than 5 x 1/4 ?
zmey [24]
Because one is put into fraction form. Therefore the one in fraction form is going to be smaller. 5*4=20 and 5*1/4=1.25. I hope my answer helped you.
3 0
3 years ago
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