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Zielflug [23.3K]
3 years ago
6

20 brainly pointss!!!

Mathematics
2 answers:
slamgirl [31]3 years ago
7 0

Answer:

dang it i just had the answer

Step-by-step explanation:

Lerok [7]3 years ago
3 0

Answer:

A and B

Step-by-step explanation:

we have:

A: 2x-3y=6

-3y=-2x+6

3y=2x-6

y=2x-6/3

y=2/3x-2

so the slope here is 2/3

B: 3x-2y=-9

-2y=-3x-9

2y=3x+9

y=3/2x+9/2

so the slope here is 3/2

in C the slope is -32 and in D it's 23

perpendicular lines can be known using the rule:

slope (first line)=-1/slope (second line)

2/3= -1 over 3/2

so A and B are the two perpendicular lines

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I'm sry pls help! im bad at math:(((​
Basile [38]
Choice B: I’m good a math and

STEP BY Step EXPLAINATION: 45 is double 25 and if you double 3.49=6.98 and choise B shows 4.79 soooo it’s choise B boooom.

Pls mark me Brainlyist
5 0
3 years ago
PLEASE HELP DUE SOON 60 POINTS, EASY WORK!
Sergio [31]

Answer:-2, 4, -4

Step-by-step explanation:

Graph

4 0
3 years ago
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∘ )  

 (c^2 ) −211.907c+9500=0  

 

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
3 years ago
Find the area of the trapezoid?
pshichka [43]

Answer:

Very simple 6th graders

Step-by-step explanation:

7 X 5 = 35 DIVIDE3D BY 2 = 17.5 THAT IS THE TRIANGLE BUT I CAN NOT SEE THE OTHER.

but i will still help

the number on the top needs to be multiplyed by the number on the side and then add it to the 17.5 and that is your answer

3 0
3 years ago
552945 rounded to the nearest hundred thousand
andre [41]
The answer is 600,000
6 0
3 years ago
Read 2 more answers
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