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postnew [5]
3 years ago
5

PLEASE HELP and if you can please explain how you got your answer ty

Mathematics
1 answer:
sergey [27]3 years ago
8 0

Answer:

A) Neither

Step-by-step explanation:

If two lines have same slope then they are parallel lines

If slope of line1* slope of line 2 = -1

The the two lines are perpendicular

In this question slope of line = 2\7

Slope of line 2 = 7\2

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The median of this data set is $5,150. $2,200+$8,100/2=$5,150. Good luck!
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Heather received a 32% discount on a $34 shirt. After the 7% sales tax was added, how much did she pay for the shirt.
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Answer:

$15.17

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Ship A and Ship B are 120 km apart when they pick up a distress call from another boat. Ship B estimates that they are 70 km awa
oksian1 [2.3K]

Answer:

147.5 km and 64.4 km

Step-by-step explanation:

a=120  km

b=70  km

β=28 degrees ( ∘)

 

b^2=(a^2)+(c^2)−2ac*cosβ  

70^2 =(120^2 )+(c^2)−2⋅ 120⋅ c⋅ cos(28∘ )  

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note p, q, and r are replacement variables in the Pythagorean theorem since a, b, and c are already in use

p=1;q=−211.907;r=9500  

D=(q^2 ) −4pr=(211.907^2 )−4⋅1⋅9500=6904.75561996  

D>0  

 

c_{1,2}  =   (−q±  \sqrt{D}   )/2p=(211.91±\sqrt{6904.76})/2

​c_{1,2}  =105.95371114±41.5474295834  

(c_{1}−147.501140726)(c_{2}−64.4062815596)=0

c_{1}=147.501140726  

c_{2}=64.4062815596  

5 0
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7 x 10^{7}  times 14.6 x10^{5}

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Final Answer 102.2 and 10^{5}

hope that helps :)

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Since a triangles total angle is 180°, to find the answer you would subtract the 2 angles you are given from 180. 180-56-36= 88°, this being your answer.
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3 years ago
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