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barxatty [35]
3 years ago
10

What is an equation in point-slope form of the line shown in the graph,using the point (-2,-1)

Mathematics
1 answer:
mylen [45]3 years ago
7 0
Y+1=[m(the slope)](x+2),  y=mx+2m-1, it is impossible to get the answer without the graph.
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lianna [129]

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2 years ago
P/90 = 4/18. What does p equal
Phoenix [80]
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Given: △ABC; AB=BC, m∠BDA = 60°, BD=4 cm, BD ⊥ BA . Find: DC, AC.
vekshin1

Answer:

DC = 10.93 cm ,  AC = 9.8 cm

Step-by-step explanation:

From trigonometry;

⇒ Tan 60 = AB/BD

⇒AB = BD Tan 60 ( where BD = 4 cm )

⇒ AB = 6.93 cm

Also, AB=BC , therefore;

⇒ BC = 6.93 cm

⇒ Cos 60 = BD/AD

⇒ AD = BD/ Cos 60 = 4/Cos 60

⇒ AD = 8 cm

From Pythagoras theorem;

⇒ AC^{2} = AB^{2} + BC^{2} = (6.93)^{2} + (6.93)^{2}

⇒ AC = \sqrt{96.05} = 9.80 cm

⇒ DC = BD + BC = 4 + 6.93

⇒ DC = 10.93 cm

8 0
2 years ago
what is the approximate volume of a sphere? use 3.14 to approximate pi and round your answer to the nearest hundredth if necessa
Strike441 [17]
Is there answer choices? does it give you any numbers for the sphere


3 0
3 years ago
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